Publications

"Simulating magnetism", C. F. Roos, Nature 484, 461 (2012).

"Interferometric thermometry of a single sub-Doppler-cooled atom", L. Slodička, G. Hétet, N. Röck, S. Gerber, P. Schindler, M. Kumph, M. Hennrich, and R. Blatt, Phys. Rev. A 85, 043401 (2012). arXiv:1202.4559

"Quantum simulations with trapped ions", R. Blatt and C. F. Roos, Nature Phys. 8, 277 (2012).

"Toward an ion-photon quantum interface in an optical cavity", A. Stute, B. Casabone, B. Brandstätter, D. Habicher, H. G. Barros, P. O. Schmidt, T. E. Northup and R. Blatt, Applied Physics B (online first). arXiv:1105.0579

"Quantum simulation of quantum field theories in trapped ions", J. Casanova, L. Lamata, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll, E. Solano, Phys. Rev. Lett. 107, 260501 (2011). arXiv:1107.5233

"Quantum simulation of the Majorana equation and unphysical operations", J. Casanova, C. Sabín, J. León, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll, E. Solano, Phys. Rev. X 1, 021018 (2011). arXiv:1102.1651

"Environmental effects controlled", J. T. Barreiro, Nature Physics 7, 927 (2011).

"Universal digital quantum simulation with trapped ions", B. Lanyon, C. Hempel, D. Nigg, M. Müller, R. Gerritsma, F. Zähringer, P. Schindler, J. T. Barreiro, M. Rambach, G. Kirchmair, M. Hennrich, P. Zoller, R. Blatt, C. F. Roos, Science 334, 57 (2011). arXiv:1109.1512

"Single atom as a mirror of an optical cavity", G. Hétet, L. Slodicka, M. Hennrich, R. Blatt, Phys. Rev. Lett 107, 133002 (2011). arXiv:1105.1919

"Relativistic quantum mechanics with trapped ions", L. Lamata, J. Casanova, R. Gerritsma, C. F. Roos, J. J. Garcia-Ripoll, E. Solano, New J. Phys. 13, 095003 (2011). arXiv:1106.6222

"Two-dimensional arrays of radio-frequency ion traps with addressable interactions", M. Kumph, M. Brownnutt, R. Blatt, New J. Phys. 13, 073043 (2011). arXiv:1103.5428

"Simulating open quantum systems: from many-body interactions to stabilizer pumping", M. Müller, K. Hammerer, Y. Zhou, C. F. Roos, P. Zoller, New J. Phys. 13, 085007 (2011). arXiv:1104.2507

"Spin flips with a single proton", R. Blatt, Nature 475, 298 (2011)

"Experimental repetitive quantum error correction", P. Schindler, J. T. Barreiro, T. Monz, V. Nebendahl, D. Nigg, M. Chwalla, M. Hennrich, and R. Blatt, Science 332, 1059 (2011)

"14-qubit entanglement: creation and coherence", T. Monz, P. Schindler, J. T. Barreiro, M. Chwalla, D. Nigg, W. A. Coish, M. Harlander, W. Hänsel, M. Hennrich, R. Blatt, Phys. Rev. Lett. 106, 130506 (2011). arXiv:1009.6126

"Trapped-ion antennae for the transmission of quantum information", M. Harlander, R. Lechner, M. Brownnutt, R. Blatt, W. Hänsel, Nature 471, 200 (2011). arXiv:1011.3639

"Electromagnetically induced transparency from a single atom in free space", L. Slodička, G. Hétet, S. Gerber, M. Hennrich and R. Blatt, Phys. Rev. Lett. 105, 153604 (2010). arXiv:1005.3289

"Experimental multiparticle entanglement dynamics induced by decoherence", J. T. Barreiro, P. Schindler, O.Gühne, T. Monz, M. Chwalla, C. F. Roos, M. Hennrich, R. Blatt, Nature Physics 6, 943 (2010). News and Views arXiv:1005.1965

"Klein tunneling and Dirac potentials in trapped ions", J. Gasanova, J. J. Garcia-Ripoll, R. Gerritsma, C. F. Roos, E. Solano, Phys. Rev. A 82, 020101(R) (2010). arXiv:1004.5400

"Short-time-interaction quantum measurement through an incoherent mediator", J. Gasanova, G. Romero, I. Lizuain, J. C. Retamal, C. F. Roos, J. G. Muga, E. Solano, Phys. Rev. A 81, 062126 (2010). arXiv:0911.2264

"Trapped-ion probing of light-induced charging effects on dielectrics", M. Harlander, M. Brownnutt, W. Hänsel, R. Blatt, New J. Phys. 12, 093035 (2010). arXiv:1004.4842

"Quantum to classical transition in a single-ion laser", F. Dubin, C. Russo, H. G. Barros, A. Stute, C. Becher, P. O. Schmidt, R. Blatt, Nature Phys. 6, 350 (2010). arXiv:1002.3621

"Realization of a quantum walk with one and two trapped ions", F. Zähringer, G. Kirchmair, R. Gerritsma, E. Solano, R. Blatt, C. F. Roos, Phys. Rev. Lett. 104, 100503 (2010). arXiv:0911.1876

"Compatibility and noncontextuality for sequential measurements", O. Gühne, M. Kleinmann, A. Cabello, J.-A. Larsson, G. Kirchmair, R. Gerritsma, F. Zähringer, C. F. Roos, Phys. Rev. A 81, 022121 (2010). arXiv:0912.4846

"Quantum simulation of the Dirac equation", R. Gerritsma, G. Kirchmair, F. Zähringer,E. Solano, R. Blatt, C. F. Roos, Nature 463, 68 (2010). Nature News & Views , arXiv:0909.0674

"Ion imaging in a high-gradient magnetic guide", V. D. Vaidya, M. Traxler, C. Hempel, R. R. Mhaskar, G. Raithel, Rev. Sci. Instrum 81, 043109 (2010).

"Remote Preparation of Single-Photon "Hybrid" Entangled and Vector-Polarization States", Julio T. Barreiro, Tzu-Chieh Wei, and Paul G. Kwiat, Phys. Rev. Lett. 105, 030407 (2010). arXiv:1009.5412

"Quantum process estimation via generic two-body correlations", M. Mohseni, A. T. Rezakhani, J. T. Barreiro, P. G. Kwiat, and A. Aspuru-Guzik, Phys. Rev. A 81, 032102 (2010). arXiv:0906.3064

"A single trapped atom in front of an oscillating mirror", A. W. Glaetzle, K. Hammerer, A. J. Daley, R. Blatt, P. Zoller, Opt. Comm. 283, 758 (2010). arXiv:0909.1814

"Realization of universal ion-trap quantum computation with decoherence-free qubits", T. Monz, K. Kim, A. Villar, P. Schindler, M. Chwalla, M. Riebe, C. F. Roos, H. Häffner, W. Hänsel, M. Hennrich, R. Blatt, Phys. Rev. Lett. 103, 200503 (2009) arXiv:0909.3715

"Deterministic single-photon source from a single ion", H. G. Barros, A. Stute, T. E. Northup, C. Russo, P. O. Schmidt, R. Blatt, New J. Phys. 11, 103004 (2009). arXiv:0905.2885

"Deterministic reordering of ⁴⁰Ca⁺ ions in a linear segmented Paul trap", F. Splatt, M. Harlander, M. Brownnutt, F. Zähringer, R. Blatt, W. Hänsel, New J. Phys. 11, 103008 (2009). arXiv:0906.5335

"State-independent experimental test of quantum contextuality", G. Kirchmair, F. Zähringer, R. Gerritsma, M. Kleinmann, O. Gühne, A. Cabello, R. Blatt, C. F. Roos, Nature 460, 494 (2009). Nature News & Views, arXiv:0904.1655

"Wiring up trapped ions to study aspects of quantum information", N. Daniilidis, T. Lee, R. Clark, S. Narayanan, H. Häffner, J. Phys. B 42, 154012 (2009). arXiv:0903.3834

"Intensity-Field Correlation of Single-Atom Resonance Fluorescence", S. Gerber, D. Rotter, L. Slodicka, J. Eschner, H. J. Carmichael, and R. Blatt, Phys. Rev. Lett. 102, 183601 (2009). arXiv:0901.3979

"Raman spectroscopy of a single ion coupled to a high-finesse cavity", C. Russo, H.G. Barros, A. Stute, F. Dubin, E.S. Phillips, T. Monz, T.E. Northup, C. Becher, T. Salzburger, H. Ritsch, P.O. Schmidt, R. Blatt, Appl. Phys. B 95, 205 (2009). arXiv:0810.2792

"High-fidelity entanglement of ions of ⁴³Ca⁺ hyperfine clock states", G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. F. Roos, R. Blatt, Phys. Rev. A79, 020304 (2009). arXiv:0812.1976

"Deterministic entanglement of ions in thermal states of motion", G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. F. Roos, R. Blatt, New. J. Phys. 11, 023002 (2009). arXiv:0810.0670

"Realization of the quantum Toffoli gate with trapped ions", T. Monz, K. Kim, W. Hänsel, M. Riebe, A. S. Villar, P. Schindler, M. Chwalla, M. Hennrich, R. Blatt, Phys. Rev. Lett. 102, 040501 (2009). arXiv:0804.0082

"Quantum interference from remotely trapped ions", S. Gerber, D. Rotter, M. Hennrich, R. Blatt, F. Rohde, C. Schuck, M. Almendros, R. Gehr, F. Dubin, J. Eschner, New. J. Phys. 11, 013032 (2009). arXiv:0810.1847

"Optimal control of entangling operations for trapped-ion quantum computing", V. Nebendahl, H. Häffner, C. F. Roos, Phys. Rev. A 79, 012312 (2009). arXiv:0809.1414

"Absolute frequency measurement of the ⁴⁰Ca⁺ 4s²S_1/2 - 3d²D_5/2 clock transition", M. Chwalla, J. Benhelm, K. Kim, G. Kirchmair, T. Monz, M. Riebe, P. Schindler, A. S. Villar, W. Hänsel, C. F. Roos, R. Blatt, M. Abgrall, G. Santarelli, G. D. Rovera, Ph. Laurent, Phys. Rev. Lett. 102, 023002 (2009). arXiv:0806.1414

"Theory of cross phase modulation for the vibrational modes of trapped ions", X. F. Nie, C. F. Roos, D. F. V. James, Phys. Lett. A 373, 422 (2009). arXiv:0810.1496

"Quantum control of a trapped electron spin in a quantum dot using photon polarization", F. Dubin, M. Combescot, G. K. Brennen, R. Melet, Phys. Rev. Lett. 101, 217403 (2008).

"Quantum computing with trapped ions", H. Häffner, C. F. Roos, R. Blatt, Physics Reports 469, 155 (2008). Download

"Deterministic entanglement swapping with an ion trap quantum computer", M. Riebe, T. Monz, A. S. Villar, P. Schindler, M. Chwalla, M. Hennrich, R. Blatt, Nature Physics 4, 839 (2008). Download

"Precision measurement of the branching fractions of the 4p ²P_3/2 decay of Ca II", R. Gerritsma, G. Kirchmair, F. Zähringer, J. Benhelm, R. Blatt, C. F. Roos, Eur. Phys. J. D 50,13 (2008). Download

"The conversion of phase to amplitude fluctuations of a light beam by an optical cavity", A. S. Villar, Am. J. Phys. 76, 922 (2008). Download

"The many-body physics of composite bosons", M. Combescot, O. Betbeder-Matibet, F. Dubin, Physics Reports 463, 215 (2008).

"Entangled states of trapped atomic ions", R. Blatt, D. J. Wineland, Nature 453, 1008 (2008). Download

"Experimental quantum information processing with ⁴³Ca⁺ ions", J. Benhelm, G. Kirchmair, C. F. Roos, R. Blatt, Phys. Rev. A 77, 062306 (2008). Download

"Geometric phase gate on an optical transition for ion trap quantum computation", K. Kim, C. F. Roos, L. Aolita, H. Häffner, V. Nebendahl, R. Blatt, Phys. Rev. A 77, 050303(R) (2008). Download

"Nonlinear coupling of continuous variables at the single quantum level", C. F. Roos, T. Monz, K. Kim, M. Riebe, H. Häffner, D. F. V. James, R. Blatt, Phys. Rev. A 77, 040302(R) (2008). Download

"Towards fault-tolerant quantum computing with trapped ions", J. Benhelm, G. Kirchmair, C. F. Roos, R. Blatt, Nature Physics 4, 463 (2008). Journal arXiv:0803.2798

"Monitoring a single ion's motion by second-order photon correlations" , D. Rotter, M. Mukherjee, F. Dubin, and R. Blatt, New J. Phys. 10, 043011 (2008). Download

"Scalable continuous-variable entanglement of light beams produced by optical parametric oscillators", K. N. Cassemiro, A. S. Villar, Phys. Rev. A 77, 022311 (2008). Download

"Dynamics of entanglement", C. F. Roos, Nature Physics 4, 97 (2008). Download

"Ion trap quantum gates with amplitude-modulated laser beams", C. F. Roos, New J. Phys. 10, 013002 (2008). Download

"Precision spectroscopy with two correlated atoms", M. Chwalla, K. Kim, T. Monz, P. Schindler, M. Riebe, C. F. Roos, R. Blatt, Appl. Phys. B 89, 483 (2007). Download

"Transfer of trapped atoms between two optical tweezer potentials" , M. Schulz, H. Crepaz, F. Schmidt-Kaler, J. Eschner and R. Blatt , J. Mod. Opt. 54, 1619 (2007). Download

"Single-ion two-photon source", F. Dubin, D. Rotter, M. Mukherjee, S. Gerber, R. Blatt, Phys. Rev. Lett. 99, 183001 (2007) . Download

"High-fidelity ion-trap quantum computation with hyperfine clock states", L. Aolita, K. Kim, J. Benhelm, C. F. Roos, H. Häffner, Phys. Rev A 76, 040303 (2007). Download

"Mixture of composite-boson molecules and the Pauli exclusion principle", M. Combescot, O. Betbeder-Matibet, F. Dubin, Phys. Rev A 76, 033601 (2007). Download

"Teleportation with atoms: quantum process tomography", M. Riebe, M. Chwalla, J. Benhelm, H. Häffner, W. Hänsel, C. F. Roos and R. Blatt, New J. Phys. 9, 211 (2007). Download

"Tomografie eines Quantenzustands - Verschränkung und Reinheit", O. Gühne, H. Häffner, Elektrotechnik & Informationstechnik 124/5, 131 (2007). Download

"Universal quantum computation in decoherence-free subspaces with hot trapped ions", L. Aolita, L. Davidovich, K. Kim, H. Häffner, Phys. Rev. A 75, 052337 (2007). Download

"Photon Correlation versus Interference of Single-Atom Fluorescence in a Half-Cavity", F. Dubin, D. Rotter, M. Mukherjee, C. Russo, J. Eschner, and R. Blatt, Phys. Rev. Lett. 98, 183003 (2007). Download

"Measurement of the hyperfine structure of the S1/2 − D5/2 transition in ⁴³Ca⁺", J. Benhelm, G. Kirchmair, U. Rapol, T. Körber, C. F. Roos, and R. Blatt, Phys. Rev. A 75, 032506 (2007). Download, download Erratum

"Process tomography of ion trap quantum gates", M. Riebe, K. Kim, P. Schindler, T. Monz, P. O. Schmidt, T. K. Körber, W. Hänsel, H. Häffner, C. F. Roos, and R. Blatt, Phys. Rev. Lett. 97, 220407 (2006). Download

"Robust state preparation of a single trapped ion by adiabatic passage", Chr. Wunderlich, Th. Hannemann, T.K. Körber, H. Häffner, Ch. Roos, W. Hänsel, R. Blatt, F. Schmidt-Kaler, J. Mod. Opt. 54, 1541 (2007). Download

"Generalized spin-queezing inequalities in N-qubit systems", J. K. Korbicz, O. Gühne, M. Lewenstein, H. Häffner, C. F. Roos and R. Blatt, Phys. Rev. A 74, 052319 (2006). Download
 
"The exciton many-body theory extended to any kind of composite bosons", M. Combescot, O. Betbeder-Matibet, and F. Dubin, Eur. Phys. J. B 52, 181 (2006). Download

"'Designer atoms' for quantum metrology", C. F. Roos, M. Chwalla, K. Kim, M. Riebe, and R. Blatt, Nature 443, 316 (2006). Download

"Feedback cooling of a single trapped ion", P. Bushev, D. Rotter, A. Wilson, F. Dubin, C. Becher, J. Eschner, R.  Blatt, V. Steixner, P. Rabl, and P. Zoller, Phys. Rev. Lett. 96, 043003 (2006). Download

"Ionen in Reih und Glied", R. Blatt, Physik Journal 4, Nr. 11, 37 (2005). Download

"Single photons on demand from 3D photonic band gap structures", M. Florescu, S. Scheel, H. Häffner, H. Lee1, D. Strekalov, P. L. Knight, J. P. Dowling, Europhys. Lett. 69, 945 (2005). Download

"Scalable multiparticle entanglement of trapped ions", H. Häffner, W. Hänsel, C. F. Roos, J. Benhelm, D. Chek-al-kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt,
C. Becher, O. Gühne, W. Dür and R. Blatt, Nature 438, 643 (2005). Download

"Scalable ion trap quantum computing without moving ions", L. Tian, R. Blatt, and P. Zoller, Eur. Phys. J. D 32, 201 (2005). Download

"Robust Entanglement", H. Häffner, F. Schmidt-Kaler, W. Hänsel, C.F. Roos, T. Körber, M. Chwalla, M. Riebe, J. Benhelm, U. D. Rapol, C. Becher, R. Blatt, Appl. Phys. B 81, 151 (2005). Download

"New experimental and theoretical approach to the 3d ²D-level lifetimes of ⁴⁰Ca⁺",
A. Kreuter, C. Becher, G. P. T. Lancaster, A. B. Mundt, C. Russo, H. Häffner, C. Roos, W. Hänsel, F. Schmidt-Kaler, R. Blatt, M. S. Safronova, Phys. Rev. A 71, 032504 (2005). Download

"Interfacing Quantum-Optical and Solid-State Qubits", L. Tian, P. Rabl, R. Blatt and P. Zoller, Phys. Rev. Lett. 92, 247902 (2004). Download

"A single-photon source based on a single Ca⁺ ion", C. Maurer, C. Becher, C. Russo, J. Eschner and R. Blatt, New J. Phys. 6, 94 (2004). Download

"Deterministic quantum teleportation with atoms",  M. Riebe, H. Häffner, C. F. Roos, W. Hänsel, J. Benhelm, G. P. T. Lancaster, T. W. Körber, C. Becher, F. Schmidt-Kaler, D. F. V. James and R. Blatt, Nature 429, 734 (2004). Download, Download, News & Views

"Control and Measurement of Three-Qubit Entangled States", C. F. Roos, M. Riebe, H. Häffner, W. Hänsel, J. Benhelm, G. P. T. Lancaster, C. Becher, F. Schmidt-Kaler, R. Blatt, Science 304, 1478 (2004).  Download, Download Science Perspectives

"Bell States of Atoms with Ultralong Lifetimes and Their Tomographic State Analysis"
C. F. Roos, G. P. T. Lancaster, M. Riebe, H. Häffner, W. Hänsel, S. Gulde, C. Becher, J. Eschner, F. Schmidt-Kaler, R. Blatt, Phys. Rev. Lett. 92, 220402 (2004). Download

"Forces between a Single Atom and Its Distant Mirror Image", P. Bushev, A.Wilson,
J. Eschner, C. Raab, F. Schmidt-Kaler, C. Becher, R. Blatt, Phys. Rev. Lett. 92, 223602 (2004). Download

"Spontaneous Emission Lifetime of a Single Trapped Ca⁺ Ion in a High Finesse Cavity" A. Kreuter, C. Becher, G. P. T. Lancaster, A. B. Mundt, C. Russo, H. Häffner, C. Roos, J. Eschner, F. Schmidt-Kaler, and R. Blatt, Phys. Rev. Lett. 92, 203002 (2004). Download

"Quantized AC-Stark shifts and their use for multiparticle entanglement and quantum gates" F. Schmidt-Kaler, H. Häffner, S. Gulde, M. Riebe, G. Lancaster, J. Eschner, C. Becher and R. Blatt, Europhys. Lett. 65, 587 (2004). Download

"How to realize a universal quantum gate with trapped ions", F. Schmidt-Kaler, H. Häffner, S. Gulde, M. Riebe, G. P.T. Lancaster, T. Deuschle, C. Becher, W. Hänsel, J. Eschner, C. F. Roos, and R. Blatt, Appl. Phys. B 77, 789 (2003). Download

"Vacuum-field level shifts in a single trapped ion mediated by a single distant mirror"
M. A. Wilson, P. Bushev, J. Eschner, F. Schmidt-Kaler, C. Becher, R. Blatt, U. Dorner,
Phys. Rev. Lett. 91, 213602 (2003).  Download

"Doppler cooling a single Ca⁺ ion with a violet extended-cavity diode laser", G.P.T. Lancaster, H. Häffner, M.A. Wilson, C. Becher, J. Eschner, F. Schmidt-Kaler, R. Blatt, Appl. Phys. B 76, 805 (2003). Download

"Laser cooling of trapped ions", J. Eschner, G. Morigi, F. Schmidt-Kaler, R. Blatt,
J. Opt. Soc. Am. B 20, 1003 (2003).  Download  (Selected for the May 2003 issue of the Virtual Journal of Quantum Information)

"Phonon-phonon interactions due to non-linear effects in a linear ion trap", C. Marquet,
F. Schmidt-Kaler, D. F. V. James, Appl. Phys. B 76, 199 (2003). Download

"Realization of the Cirac-Zoller controlled-NOT quantum gate", F. Schmidt-Kaler, H. Häffner, M. Riebe, S. Gulde, G. P. T. Lancaster, T. Deuschle, C. Becher, C. F. Roos, J. Eschner, and R. Blatt, Nature 422, 408 (2003).  Download; News & Views ; Download parallel article from NIST group

"Precision measurement and compensation of optical Stark shifts for an ion-trap quantum processor", H. Häffner, S. Gulde, M. Riebe, G. Lancaster, C. Becher, J. Eschner, F. Schmidt-Kaler, and R. Blatt, Phys. Rev. Lett. 90, 143602 (2003).  Download (Selected for the April 2003 issue of the Virtual Journal of Quantum Information)

"Implementing the Deutsch-Jozsa algorithm on an ion-trap quantum computer", S. Gulde, M. Riebe, G.P.T. Lancaster, C. Becher, J. Eschner, H. Häffner, F. Schmidt-Kaler, I. L. Chuang, and R. Blatt, Nature 421, 48 (2003).  Download

"Quantum dynamics of single trapped ions", D. Leibfried, R. Blatt, C. Monroe,  D. Wineland, Rev. Mod. Phys. 75, 281 (2003).  Download

"Is an ion string laser-cooled like a single ion?", G. Morigi, J. Eschner, J. Phys. B: At. Mol. Opt. Phys. 36, 1041 (2003). Download

"The coherence of qubits based on single Ca⁺ ions", F. Schmidt-Kaler, S. Gulde, M. Riebe, T. Deuschle, A. Kreuter, G. Lancaster, C. Becher, J. Eschner, H. Häffner, R. Blatt, J. Phys. B: At. Mol. Opt. Phys. 36, 623 (2003).  Download

"Sub-wavelength resolution of optical fields probed by single trapped ions: Interference, phase modulation, and which-way information", J. Eschner, Eur. Phys. J. D 22, 341 (2003).  Download

"Coherent coupling of a single Ca⁺ ion to a high-finesse optical cavity", A. B. Mundt, A. Kreuter, C. Russo, C. Becher, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt, Appl. Phys. B 76, 117 (2003).  Download

"Coupling a single atomic quantum bit to a high finesse optical cavity", A. B. Mundt, A. Kreuter, C. Becher, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt, Phys. Rev. Lett. 89, 103001 (2002).  Download (Selected for the August 2002 issue of the Virtual Journal of Quantum Information)

"Light interference from single atoms and their mirror images", J. Eschner, Ch. Raab, F. Schmidt-Kaler, R. Blatt, Nature 413, 495 (2001). Download

"Simple and efficient photoionization loading of ions for precision ion-trapping experiments", S. Gulde, D. Rotter, P. Barton, F. Schmidt-Kaler, R. Blatt, W. Hogervorst, Appl. Phys. B 73, 861 (2001).  Download

"Doppler cooling of a Coulomb crystal", G. Morigi, J. Eschner, Phys. Rev. A 64, 063407 (2001).  Download

"Delicate information", Rainer Blatt, Nature 412, 773 (2001). Download

"Laser cooling with electromagnetically induced transparency: Application to trapped samples of ions or neutral atoms", F. Schmidt-Kaler, J. Eschner, G. Morigi, C. F. Roos, D. Leibfried, A. Mundt, R. Blatt, Appl. Phys. B 73, 807 (2001). Download

"Optical decay from a Fabry-Perot cavity faster than the decay time", H. Rohde, J. Eschner, F. Schmidt-Kaler, R. Blatt, J. Opt. Soc. Am. B 19, 1425 (2002). Download  (if pdf file does not print properly, use zipped ps instead)

"Experimental demonstration of ground state laser cooling with electromagnetically induced transparency", C. F. Roos, D. Leibfried, A. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt, Phys. Rev. Lett. 85, 5547 (2000). Download

"Ground state laser cooling using electromagnetically induced transparency", G. Morigi, J. Eschner, C. H. Keitel, Phys. Rev. Lett. 85, 4458 (2000). Download

"Sympathetic ground state cooling and coherent manipulation with two-ion-crystals", H. Rohde, S. T. Gulde, C. F. Roos, P. A. Barton, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt, J. Opt. B 3, S34 (2001).  Download

"Push-button entanglement", R. Blatt, Nature 404, 231 (2000). Download

"Speed of ion trap quantum information processors", A. Steane, C. F. Roos, D. Stevens, A. Mundt, D. Leibfried, F. Schmidt-Kaler, R. Blatt, Phys. Rev. A 62, 042305 (2000). Download

"Motional sidebands and direct measurement of the cooling rate in the resonance fluorescence of a single trapped ion", Ch. Raab, J. Eschner, J. Bolle, H. Oberst,
F. Schmidt-Kaler, R. Blatt, Phys. Rev. Lett. 85, 538 (2000). Download

"Quantum state engineering on an optical transition and decoherence in a Paul trap",
Ch. Roos, Th. Zeiger, H. Rohde, H.C. Nägerl, J. Eschner, D. Leibfried, F. Schmidt-Kaler, R. Blatt, Phys. Rev. Lett. 83, 4713 (1999). Download

"Investigating a qubit candidate: Spectroscopy on the S_1/2 to D_5/2 transition of a trapped calcium ion in a linear Paul trap", H. C. Nägerl, Ch. Roos, D. Leibfried, H. Rohde, G. Thalhammer, J. Eschner, F. Schmidt-Kaler, R. Blatt, Phys. Rev. A 61, 023405 (2000). Download

"Individual addressing and state readout of trapped ions utilizing rf-micromotion",
D. Leibfried, Phys. Rev. A 60, R3335 (1999). Download

"Laser addressing of individual ions in a linear ion trap", H. C. Nägerl, D. Leibfried, H. Rohde, G. Thalhammer, J. Eschner, F. Schmidt-Kaler, R. Blatt, Phys. Rev. A 60, 145 (1999). Download

"Laser cooling of two trapped ions: Sideband cooling beyond the Lamb-Dicke limit", G. Morigi, J. Eschner, I.C. Cirac, P. Zoller, Phys. Rev. A 59, 3797 (1999). Download

"Coherent excitation of normal modes in a string of Ca⁺ ions", H.C. Nägerl, D. Leibfried,
F. Schmidt-Kaler, J. Eschner, R. Blatt, Optics Express 3, 89 (1998).

"Diode laser spectrometer at 493 nm for single trapped Ba⁺ ions", C. Raab, J. Bolle, H. Oberst, J. Eschner, F. Schmidt-Kaler, R. Blatt, Appl. Phys. B 67, 683 (1998). Download; Appl. Phys. B 69, 253 (1999). Download

"Ion strings for quantum gates", H.C. Nägerl, W. Bechter, J. Eschner, F. Schmidt-Kaler, R. Blatt, Appl. Phys. B 66, 603 (1998). Download

"Quantum tricks in ion traps", R. Blatt, Physics World 9, 25 (1996).

"Quantengatter für Quantenrechner", R. Blatt, P. Zoller, Physikalische Blätter 52, 205 (1996).

"Trapped ions in the strong excitation regime: ion interferometry and non-classical states", J. F. Poyatos, J. I. Cirac, R. Blatt, P.Zoller, Phys. Rev. A 54, 1532 (1996).

"Motion tomography of a single trapped ion", J. F. Poyatos, R. Walser, J. I. Cirac, R. Blatt, P. Zoller, Phys. Rev. A 53, R1966 (1996).

"Quantum simulation of relativistic quantum physics with trapped ions", C. F. Roos, R. Gerritsma, G. Kirchmair, F. Zähringer,E. Solano, R. Blatt, C. F. Roos, J. Phys. Conf. Ser. 264, 012020 (2011). Download

"Ca+ quantum bits for quantum information processing", J. Benhelm, G. Kirchmair, R. Gerritsma, F. Zähringer, T. Monz, P. Schindler, M. Chwalla, W. Hänsel, M. Hennrich, C. F. Roos, R. Blatt, , in 141st Nobel Symposium on Qubits for Future Quantum Information, Physica Scripta T137, 014008 (2009).

"Absolute frequency measurement of the 40Ca+ S1/2-D5/2 clock transition", M. Chwalla, J. Benhelm, K. Kim, G. Kirchmair, T. Monz, M. Riebe, P. Schindler, A. Villar, W. Hänsel, C. Roos, R. Blatt, M. Abgrall, G. Santarelli, G. D. Rovera, P. Laurent, in Proceedings of the 7th symposium on frequency standards and metrology, pp. 100-108, World Scientific, 2009.

"Quantum Computing with Trapped Ions ", H. Häffner, W. Hänsel, C.F. Roos, P.O. Schmidt, M. Riebe, M. Chwalla, D. Chek-al-kar, J. Benhelm, U.D. Rapol, T. Körber, C. Becher, O. Gühne, W. Dür, and R. Blatt, in Controllable Quantum States, eds. H. Takayanagi, J. Nitta, H. Nakano, World Scientific, 2008. Download

"Quantum information processing and Ramsey spectroscopy with trapped ions", C. F. Roos, M. Chwalla, T. Monz, P. Schindler, K. Kim, M. Riebe, and R. Blatt, in Proceedings of the XVIII International Conference on Laser Spectroscopy, eds J. Bergquist and L. Hollberg, World Scientific, 2008. Download

"The quantum revolution - towards a new generation of supercomputers", R. Blatt, in Proceedings of the XVIII International Conference on Laser Spectroscopy, eds J. Bergquist and L. Hollberg, World Scientific, 2008. Download

"Precision spectroscopy with entangled states: measurement of electric quadrupole moments", C. F. Roos, M. Chwalla, K. Kim, M. Riebe, and R. Blatt, in Atomic Physics 20 (Proceedings of the ICAP 2006). Download

"Controlling three atomic qubits", H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. F. Roos, M. Chwalla, J. Benhelm, T. W. Körber, G. P. T. Lancaster, C. Becher, D.F.V. James, and R. Blatt, in "Physical Realizations of Quantum Computing", eds. M. Nakahara, S. Kanemitsu, M.M. Salomaa, S Takagi, pp. 108-126, World Scientific, Singapore, 2006. Download

"Quantum Information Processing: Dream and Realization", R. Blatt, Entangled World, ed. Jürgen Audretsch, pp. 235-270, Wiley-VCH, Weinheim 2006.

"Quantum information processing with trapped ions", R. Blatt and A. Steane, Quantum Information Processing and Communication in Europe, eds. T. Van derPyl, A. Karlson, M. Belina-Podgaetsky, pp. 161-169, European Communities, 2005. Download

"Entanglement of trapped ions", C. Becher, J. Benhelm, D. Chek-al-kar, M. Chwalla, W. Dür, O. Gühne, H. Häffner, W. Hänsel, T. Körber, A. Kreuter, G.P.T. Lancaster, T. Monz, E.S. Phillips, U.D. Rapol, M.Riebe, C.F. Roos, C. Russo, F. Schmidt-Kaler, and R. Blatt, Laser Spectroscopy, eds. E.A. Hinds, Allister Ferguson, Erling Riis, pp. 381-392, World Scientific, 2005. Download

"Teleportation with Atoms", H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. F. Roos, M. Chwalla, J. Benhelm, T. W. Körber, G. P. T. Lancaster, C. Becher, D.F.V. James, and R. Blatt, in Atomic Physics 19, eds. L. Marcassa, K. Helmerson and V. Bagnato, pp. 341-349, AIP 770, New York, 2005. Download

"Ion Trap Quantum Computing with Ca⁺ Ions", R. Blatt, H. Häffner, C.F. Roos, C. Becher, and F. Schmidt-Kaler, Quant. Inf. Proc. 3, Nos. 1-5, 2004. Download

"Laser Cooling of trapped ions", F. Schmidt-Kaler, J. Eschner, R. Blatt, D. Leibfried, C. Roos, G. Morigi, in Laser Physics at the limit, eds. H. Figger, D. Meschede, C. Zimmermann, pp. 243-260, Springer, Berlin, 2002.

"Quantum information processing and cavity QED experiments with trapped Ca⁺ ions", S. Gulde, H. Häffner, M. Riebe, G. Lancaster, A. Mundt, A. Kreuter, C. Russo, C. Becher, J. Eschner, F. Schmidt-Kaler, I. L. Chuang, R. Blatt, in Atomic Physics 18 (Proceedings of the ICAP 2002).  Download

"Single trapped ions interacting with low- and high-finesse optical cavities", J. Eschner, Ch. Raab, A. Mundt, A. Kreuter, C. Becher, F. Schmidt-Kaler, R. Blatt, Proceedings of "Quantum Interferometry IV", Trieste, Italy, March 2002, Fortschr. Phys. 51, 359-368 (2003).  Download

"Ground state laser cooling of trapped atoms using EIT", J. Eschner, G. Morigi, C. Keitel, C. Roos, D. Leibfried, A. Mundt, F. Schmidt-Kaler, R. Blatt, in Proceedings of the XV International Conference on Laser Spectroscopy, eds. S. Chu, V. Vuletic, A.J. Kerman, Ch. Chin, World Scientific, Singapore, 2002.  Download

"Single ions interfering with their mirror images", J. Eschner, Ch. Raab, P. Bouchev, F. Schmidt-Kaler, R. Blatt, in Proceedings of the XV International Conference on Laser Spectroscopy, eds. S. Chu, V. Vuletic, A.J. Kerman, Ch. Chin, World Scientific, Singapore, 2002. Download

"A strongly confining dipole for Rubidium atoms", M. Schulz, H. Crepaz, M. Chwalla, J. Eschner, R. Blatt, Poster at ECAMP VII, Berlin, April 2-6, 2001.  Download

"Towards quantum information with trapped Calcium ions", D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt, in Proceedings of the QIPC-Y2K, Capri, Italy, July 4-7, 2000. Download

"Experiments towards quantum information with trapped Calcium ions", D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, G. Reymond, M. Lederbauer, F. Schmidt-Kaler, J. Eschner, R. Blatt, in Atomic Physics 17 (Proceedings of the ICAP 2000), eds. E. Arimondo, P. De Natale, M. Inguscio, AIP, New York, 2001. Download

"Ground state cooling, quantum state engineering and study of decoherence of ions in Paul traps", F. Schmidt-Kaler, Ch. Roos, H. C. Nägerl, H. Rohde, S. Gulde, A. Mundt, M. Lederbauer, G. Thalhammer, Th. Zeiger, P. Barton, L. Hornekaer, G. Reymond, D. Leibfried, J. Eschner, R. Blatt, J. Mod. Opt. 47, 2573 (2000).  Download

"Addressing and cooling of single ions in Paul traps", H. C. Nägerl, Ch. Roos, H. Rohde, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt, Proceedings of the Adriatico Conference on Quantum Interferometry III, Trieste, March 1999, Fortschr. Phys. 48, 623-636 (2000).  Download

"Single Ions in Paul traps", F. Schmidt-Kaler, Ch. Roos, H. C. Nägerl, H. Rohde, S. Gulde, A. Mundt, Th. Zeiger, G. Reymond, G. Thalhammer, D. Leibfried, J. Eschner, R. Blatt, in Laser Spectroscopy; 14th International Conference (ICOLS99), World Scientific, Singapore, 1999. Download

"Motional effects in the flourescence spectrum of a single Ba+ ion", Ch. Raab, J. Bolle, H. Oberst, J. Eschner, F. Schmidt-Kaler, D. Leibfried, R. Blatt, in Laser Spectroscopy; 14th International Conference (ICOLS99), World Scientific, Singapore, 1999. Download

"Single Ions in Paul traps", H. C. Nägerl, Ch. Roos, H. Rohde, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt, in Decoherence: Theoretical, Experimental, and Conceptual Problems, eds. P. Blanchard, D. Giulini, C. Kiefer, and I. O. Stamateccu, Springer, Berlin, 1999. Download

"Cavity QED-Experiments for Quantum Information: Trapped Ions and Atoms in Cavities", F. Schmidt-Kaler, H. C. Nägerl, D. Leibfried, R. Blatt, M. Brune, J. M. Raimond, S. Haroche, in The Physics of Quantum Information, Springer, Berlin, 2000.

"Linear Ion Traps for Quantum Computation", H. C. Nägerl, F. Schmidt-Kaler, J. Eschner, R. Blatt, W. Lange, H. Baldauf, H. Walther, in The Physics of Quantum Information, Springer, Berlin, 2000.

"Trapped ions for quantum gates and Cavity QED", H.C. Nägerl, C. Roos, W. Bechter, J. Eschner, F. Schmidt-Kaler, R. Blatt, in Proceedings of the 13. International Conference on Laser Spectroscopy (THICOLS), Hangzhou, China, 03.-07.06.97

Felicity Splatt - Development and operation of miniaturised segmented ion traps for scalable quantum computation (2009) pdf

Michael Chwalla - Precision spectroscopy with ⁴⁰Ca⁺ ions in a Paul trap (2009) pdf

Carlos Russo - Photon statistics of a single ion coupled to a high-finesse cavity (2008) pdf

Jan Benhelm - Precision spectroscopy and quantum information processsing with trapped calcium ions (2008) pdf

Daniel Rotter - Quantum feedback and quantum correlation measurements with a single Barium ion (2008) pdf

Herbert Crepaz - Trapping and cooling rubidium atoms for quantum information processing (2007) pdf

Mark Riebe - Preparation of entangled states and quantum teleportation with atomic qubits (2005) pdf (2.9 MB)

Axel Kreuter - Spontaneous emission of a single trapped Ca⁺ ion (2004) pdf (7.5 MB)

Pavel Bushev - Interference experiments with a single barium ion: from QED towards quantum feedback (2004) pdf (1.8 MB)

Andreas Mundt - Cavity QED with single trapped ⁴⁰Ca⁺-ions (2003)  pdf (9 MB) 

Stephan Gulde - Experimental realization of quantum gates and the Deutsch-Josza algorithm with trapped ⁴⁰Ca⁺-ions (2003) pdf (7.1 MB)

Matthias Schulz - Tightly confined atoms in optical dipole traps (2002)  pdf (4.0 MB)

Christoph Raab - Interference experiments with the fluorescence light of Ba⁺ ions (2001) pdf (5.9 MB)

Harald Rohde - Experimente zur Quanteninformationsverarbeitung in einer linearen Ionenfalle (2001) pdf (2.4 MB)

Christian Roos - Controlling the quantum state of trapped ions (2000) pdf (3.0 MB)

Hanns-Christoph Nägerl - Ion Strings for Quantum Computing (1998) pdf (7.0 MB)

Nadia Roeck - Quantum manipulation on the Barium quadrupolar transition (2011) pdf

Markus Rambach - Laserkühlung von Ionenkristallen (2011) pdf

Diana Habicher - Abbildung, Adressierung und Zustandsdetektion zweier Ionen in einem optischen Resonator (2011) pdf

Adam Pauli - Classical control of an ion in a surface trap (2011) pdf

Davide Gandolfi - Compact RF Amplifier for Scalable Ion-Traps (2011) pdf

Stephan Quint - Formung von Laserlichtimpulsen fuer die Quanteninformationsverarbeitung mit 40Ca+ (2011) pdf

Regina Lechner - Photoionization of 40Ca with a frequency-doubled 422 nm laser and a 377 nm laser diode (2010) pdf

Daniel Nigg - Aufbau eines Frequenz-vervierfachten Diodenlasers für die Photoionisation von Magnesium (2009) pdf

Lukas An der Lan - Aufbau eines frequenzvervierfachten Lasersystems zum Coulomb-Kühlen von Magnesium-Ionen (2008) pdf

Philipp Schindler - Frequency synthesis and pulse shaping for quantum information processing with trapped ions (2008) pdf

Volckmar Nebendahl - Optimierung verschränkender Quantengatter für Experimente mit Ionenfallen (2008) pdf

Florian Zähringer - Faseroptische Detektion gespeicherter Calciumionen in einer Mikrofalle (2007) pdf

Andreas Stute - Eine Einzelphotonenquelle mit einem 40Ca+ Cavity-QED System (2007) pdf (7.8 MB)

Gerhard Kirchmair - Frequency stabilization of a Titanium-Sapphire laser for precision spectroscopy on Calcium ions (2006) pdf

Thomas Monz - A frequency offset lock for cavity-driven Raman transitions (2005)  pdf (5.5 MB)

Michael Bacher - Sättigungsspektroskopie an Kalziumdampf (2005)  pdf (1.6 MB)

Christian Maurer - Kontrolle der Einphotonenemission eines einzelnen Ca⁺-Ions (2004)  pdf (1.8 MB)

Daniel Rotter - Photoionisation von Kalzium (2003) pdf (2.1 MB)

Michael Chwalla - Ein phasenstabilisiertes Diodenlaser-System bei 780 nm zur Spektroskopie an ⁸⁷Rb-Atomen (2002) pdf (2.9 MB)

Günther Blasbichler - Ein Lambdameter mit 10^-7 Messunsicherheit (2000)  pdf (1.4 MB)

Madeleine Lederbauer (2000)

Herbert Crepaz - Aufbau einer zweidimensionalen magneto-optischen Falle (1999)

Gregor Thalhammer - Frequenzstabilisierung von Diodenlasern bei 850, 854 und 866 nm mit Linienbreiten im Kilohertz-Bereich (1999) pdf (1.3 MB)

Hilmar Oberst - Resonance fluorescence of single barium ions (1999) pdf (0.9 MB)

Helmut Langfischer - Frequenzstabilisierung eines Diodenlasers bei 650 nm (1998) pdf (3.2 MB)

Wolfgang Bechter (1998)

Matthias Schulz - Ein frequenzverdoppelter Diodenlaser bei 397 nm (1997) zipped ps (0.5 MB)

Harald Rohde - Injektionsstabilisierung von Laserdioden (1996) zipped ps (0.5 MB)

Christoph Raab - Ein Laserspektrometer zur Untersuchung gespeicherter Ba-Ionen (1996) zipped ps (0.5 MB)

Nikolas Pörtner - Stabilisierung und Frequenzverdopplung eines Hochleistungsdiodenlasers bei 986 nm (1996) zipped ps (0.4 MB)

Katrin Glatzel - Ein Diodenlasersystem zur Spektroskopie von einzelnen Ca-Ionen (1996) zipped ps (0.5 MB)

"Der Quantenmechanik in die Karten geschaut: Quantenbits in der Ionenfalle", Wolfgang Hänsel, in Physik in unserer Zeit, Band 37 (2), p. 64-72, WILEY-VCH Verlag, Weinheim, March 2006, Abstract

"Quantencomputer und Quantenteleportation: Quantenbits in der Ionenfalle Teil 2", Wolfgang Hänsel, in Physik in unserer Zeit, Band 37 (6), p. 272-280, WILEY-VCH Verlag, Weinheim, Nov 2006, Abstract