Institute for Quantum information processing
- 1:
Research lines. - 2: Publications.
- 2.1:
Papers. - 2.2: PhD and Diploma theses.
- 2.3: Popular science.
- 2.4: Earlier work.
- 2.1:
- 3: Öffentlichkeit.
- 4: Teaching.
- 5: Colloquia and seminars.
- 6: Members.
- 7: Open positions.
- 8: funding.
Current Publications
2010 G. Waldherr, J. Beck, P. Neumann, R. S. Said, M. Nitsche, M. L. Markham, D. J. Twitchen, J. Twamley, F. Jelezko & J. Wrachtrup
"High-dynamic-range magnetometry with a single nuclear spin in diamond"
Nature Nanotechnology (2011) doi:10.1038/nnano.2011.224 | 
PDF
A. Negretti, A. Benseny, J. Mompart, T. Calarco
"Speeding up the spatial adiabatic passage of matter waves in optical microtraps by optimal control"arXiv:1112.3828v1
R. Gerritsma, A. Negretti, H. Doerk, Z. Idziaszek, T. Calarco, F. Schmidt-Kaler
"A bosonic Josephson junction controlled by a single trapped ion"arXiv:1112.3509v1
A. Negretti, P. Treutlein, T. Calarco
"Quantum computing implementations with neutral particles"Quantum Inf. Process. 10, 721 (2011).
From the issue entitled "Special Issue on Neutral Particles".
S. P. Cockburn, A. Negretti, N. P. Proukakis, C. Henkel
"A comparison between microscopic methods for finite temperature Bose gases"Phys. Rev. A 83, 043619 (2011)PRA Kaleidoscope Images: April 2011
P. Treutlein, A. Negretti, T. Calarco
"Quantum Information Processing with Atom Chips"Book: "Atom Chips", Ed. by J. Reichel and V. Vuletic, Chapter 9, p. 283
J. D. Baltrusch, A. Negretti, J. M. Taylor, T. Calarco
"Fast and robust quantum computation with ionic Wigner crystals"
Phys. Rev. A 83, 042319 (2011)
A. Negretti, R. Fazio, T. Calarco,
"Errors in quantum optimal control and strategy for the search of easily implementable control pulses",
J. Phys. B: At. Mol. Opt. Phys. 44, 154012 (2011)
F. Schmidt-Kaler, T.Pfau, P. Schmelcher, W. Schleich,
"Focus on atom optics and its applications",
New Journal of Physics 12, 0650014 (2010), pdf, Editorial introducing the special issue of New Journal of Physics.
Wolfgang Schnitzler, Georg Jacob, Robert Fickler, Ferdinand Schmidt-Kaler and Kilian Singer
"Focusing a deterministic single-ion beam"New J. Phys. 12 (2010) 065023 | PDF
M. Hellwig, A. Bautista-Salvador, K. Singer, G. Werth, F. Schmidt-Kaler
"Fabrication of a segmented micro Penning trap and numerical investigations of versatile ion positioning protocols"New J. Phys. 12 (2010) 065019 | PDF
Ulrich Poschinger, Andreas Walther, Kilian Singer, Ferdinand Schmidt-Kaler,
"Observing the phase space trajectory of an entangled matter wave packet" ,http://arxiv.org/abs/1005.5547v1 | PDF
M. Žáková, Z. Andjelkovic, M. L. Bissell, K. Blaum, G. W. F. Drake, Ch. Geppert, M. Kowalska, J. Krämer, A. Krieger, M. Lochmann, T. Neff, R. Neugart, W. Nörtershäuser, R. Sánchez, F. Schmidt-Kaler, D. Tiedemann, Z-C Yan, D. T. Yordanov and C. Zimmermann,
"Isotope shift measurements in the 2s1/2 → 2p3/2 transition of Be+ and extraction of the nuclear charge radii for 7, 10, 11Be", J. Phys. G: Nucl. Part. Phys. 37 055107 2010, doi: 10.1088/0954-3899/37/5/055107 | PDF
Gerhard Huber, Frank Ziesel, Ulrich Poschinger, Kilian Singer and Ferdinand Schmidt-Kaler,
"A trapped-ion local field probe", accepted for publication in Appl. Phys. BarXiv:1003.3735v1 | PDF
Ferdinand Schmidt-Kaler
"Jonglieren mit Atomen"Physik Journal 9 (2010) Nr. 3 | PDF
diskutierte Arbeit "Photon-by-photon feedback control of a single-atom trajectory" von A. Kubanek et al., Nature 462, 898-901 (2009) | doi:10.1038/nature08563 | PDF
J. Eble, S. Ulm, P. Zahariev, F. Schmidt-Kaler, K. Singer
"Feedback-optimized operations with linear ion crystals"J. Opt. Soc. Am. B 27, A99-A104 (2010) | PDFselected for publication in the July 2010 issue of Virtual Journal of Quantum Information
Peter A. Ivanov, Nikolay V. Vitanov, Kilian Singer, and Ferdinand Schmidt-Kaler
"Dynamical control and novel quantum phases in impurity doped linear ion crystals"arXiv:1002.3033v1 | PDF
T. Caneva, M. Murphy, T. Calarco, R. Fazio, S. Montangero, V. Giovannetti, and G. E. Santoro
"Optimal Control at the Quantum Speed Limit"PRL 103, 240501 (2009) | PDF
S. Montangero, D. Frustaglia, T. Calarco and R. Fazio
"Quantum billiards in optical lattices"EPL, 88 (2009) 30006 | PDF
R. M. Rajapakse, T. Bragdon, A. M. Rey, T. Calarco, and S. F. Yelin
"Single-photon nonlinearities using arrays of cold polar molecules"PHYSICAL REVIEW A 80, 013810 2009 | PDF
M. Murphy, L. Jiang, N. Khaneja, and T. Calarco
"High-fidelity fast quantum transport with imperfect controls"Phys. Rev. A 79 020301 (2009) | PDF
M. Sabooni, F. Beaudoin, A. Walther, Lin Nan, A. Amari, M. Huang, S. Kröll
"Storage and recall of weak coherent optical pulses with an efficiency of 25%"
arXiv:0912.2525v1 | PDF
K. Singer, U. Poschinger, M. Murphy, P. Ivanov, F. Ziesel, T. Calarco, F. Schmidt-Kaler,
"Experiments with atomic quantum bits - essential numerical tools"
quant-ph 0912.0196
P. Ivanov, U. Poschinger, K. Singer, F. Schmidt-Kaler
"Quantum gate between logical qubits in decoherence-free subspace implemented with trapped ions", arXiv: 0909.5397, PDF
Muhammad Mubashir Khan, Michael Murphy and Almut Beige
"High error-rate quantum key distribution for long-distance communication"2009 New J. Phys. 11 063043 | PDF
E. Rico, R. Hübener, S. Montangero, N. Moran, B. Pirvu, J. Vala, H.J. Briegel
"Valence Bond States: Link models" arXiv:0811.1049v1
Tommaso Calarco, Franco Nori, Martin B. Plenio Daniel Burgarth, Koji Maruyama, Michael Murphy, Simone Montangero,
"Scalable quantum computation via local control of only two qubits",arXiv:0905.3373v1
V. Giovannetti, S. Montangero, M. Rizzi, and Rosario Fazio
"Homogeneous multiscale-entanglement-renormalization-ansatz states: An information theoretical analysis"Phys. Rev. A 79, 052314 (2009)
Simone Montangero, Rosario Fazio, Peter Zoller, and Guido Pupillo
"Dipole oscillations of confined lattice bosons in one dimension"Phys. Rev. A 79, 041602(R) (2009) | arXiv:0810.1665v1
H. Lignier, A. Zenesini, D. Ciampini, O. Morsch, E. Arimondo, S. Montangero, G. Pupillo, and R. Fazio
"Trap-modulation spectroscopy of the Mott-insulator transition in optical lattices"Phys. Rev. A 79, 041601(R) (2009) | arXiv:0812.3005v1
Shabnam Safaei, Simone Montangero, Fabio Taddei, and Rosario Fazio
"Optimized single-qubit gates for Josephson phase qubits"Phys. Rev. B 79, 064524 (2009) | arXiv:0811.2174v2
H. Wunderlich, C. Wunderlich, K. Singer, F. Schmidt-Kaler
"Two-dimensional cluster-state preparation with linear ion traps"Phys. Rev. A 79, 052324 (2009) | PDF
P. A. Ivanov, S. S. Ivanov, N. V. Vitanov, A. Mering, M. Fleischhauer, K. Singer
"Simulation of a quantum phase transition of polaritons with trapped ions"Phys. Rev. A 80, 060301R (2009) | PDF
R. Otto, P. Hlavenka, S. Trippel, J. Mikosch, K. Singer, M. Weidemüller, R. Wester
"How can a 22-pole ion trap exhibit 10 local minima in the effective potential?"
J. Phys. B: At. Mol. Opt. Phys. 42, 154007 (2009) | PDF
R. Fickler, W. Schnitzler, Norbert M. Linke, F. Schmidt-Kaler, K. Singer
"Optimized focusing ion optics for an ultracold deterministic single ion source targeting nm resolution"
Journal of Modern Optics 56, 2061 (2009), PDF
W. Schnitzler, N. M. Linke, R. Fickler, J. Meijer, F. Schmidt-Kaler, and K. Singer
"Deterministic Ultracold Ion Source targeting the Heisenberg Limit"
PRL 102, 070501 (2009) | PDF | arXiv.org |selected for the virtual magazine Virt. J. Nan. Sci. & Tech. 19, 9 (2009), and Virtual Journal for Quantum Information, see also a press release (for non-physicists) in german Pressemitteilung in http://www.pro-physik.de,
U. G. Poschinger, G. Huber, F. Ziesel, M. Deiss, M. Hettrich, S. A. Schulz, G. Poulsen, M. Drewsen, R. J. Hendricks, K. Singer and F. Schmidt-Kaler
"Coherent Manipulation of a 40Ca+ Spin Qubit in a Micro Ion Trap"pdf, J. Phys. B: At. Mol. Opt. Phys. 42 154013, in a topical issue, arXiv 0902.2826
W. Nörtershäuser, D. Tiedemann, M. Zakova, Z. Andjelkovic, K. Blaum, M. L. Bissell,
R. Cazan, G.W.F. Drake, Ch. Geppert, M. Kowalska, J. Krämer, A. Krieger, R. Neugart, R. Sanchez, F. Schmidt-Kaler, Z.-C. Yan, D. T. Yordanov, and C. Zimmermann
"Nuclear Charge Radii of 7,9,10Be and the one-neutron halo nucleus 11Be"
PRL 102, 062503 (2009) | PDF | arXive 0809.2607http://arxiv.org/abs/0809.2607v2
M. Murphy,1, L. Jiang, N. Khaneja, and T. Calarco
"High-fidelity fast quantum transport with imperfect controls"PHYSICAL REVIEW A 79, 020301R 2009 | PDF
Viacheslav P. Belavkin, Antonio Negretti, Klaus Mølmer
"Dynamical programming of continuously observed quantum systems"
Physical Review A 79, 022123 (2009) | PDF
Anne E. B. Nielsen, Uffe V. Poulsen, Antonio Negretti, Klaus Mølmer,
"Atomic quantum superposition state generation via optical probing"
Physical Review A 79, 023841 (2009), PDF
Themenheft Forschung: "Quantenmaterie" (pdf), Webseite des SFB/TRR21,
Tilman Pfau mit Hans Peter Büchler, Tommaso Calarco, Martin Dressel, József Fortágh, Edward Goldobin, Fedor Jelezko, Reinhold Kleiner, Klaus von Klitzing, Dieter Kölle, Peter Michler, Alejandro Muramatsu, Philipp Neumann, Tilman Pfau, Florian Rempp, Wolfgang Schleich, Ferdinand Schmidt-Kaler, Wolfgang Schnitzler, Kilian Singer, Sven Marcus Ulrich, Karl Vogel, Reinhold Walser, Jürgen Weis, Stefan Wessel, Jörg Wrachtrup und Claus Zimmermann, Koordination von Ulrich Engler
I. Marzoli, P. Tombesi, G. Ciaramicoli, G. Werth, P. Bushev, S. Stahl, F. Schmidt-Kaler, M. Hellwig, C. Henkel, G. Marx, I. Jex, E. Stachowska, G. Szawiola, A. Walaszyk,
"Experimental and theoretical challenges for the trapped electron quantum computer",
arXiv:0810.4408