Optical Lattices  
    and
  Quantum Information


Community Research

Specific Targeted Research Projects
Sixth Framework Programme








For suggestions contact:
Francesca Usala
usala@df.unipi.it

OLAQUi: Optical Lattices and Quantum Information
ARTICLES

List of the articles published within Olaqui Project:

  • S. Anders, H. J. Briegel and W. Dür, A variational method based on weighted graph states,
    New J. Phys. 9, 361 (2007)

  • S. Anders, M. B. Plenio, W. Dür, F. Verstraete, H. J. Briegel, Ground state approximation for strongly interacting systems in arbitrary dimension,
    Phys. Rev. Lett. 97, 107206 (2006).

  • P. Barmettler, A.-M. Rey, E. Demler, M. Lukin, I. Bloch & V. Gritsev, Quantum many-body dynamics of coupled double-well superlattices,
    Phys. Rev. A 78, 012330 (2008)

  • F. Brennecke, T. Donner, S. Ritter, T. Bourdel, M. Köhl, T. Esslinger, Cavity QED with a Bose-Einstein condensate,
    Nature 450, 268 (2007)

  • G.K. Brennen, A. Micheli, and P. Zoller, Designing spin-1 lattice models using polar molecules,
    New J Phys.  9, 138 (2007).

  • G. K. Brennen, A. Miyake, Measurement-based quantum computer in the gapped ground state of a two-body Hamiltonian,
    Phys. Rev. Lett. 101, 010502 (2008)

  • D. E. Browne, M. B. Elliott, S. T. Flammia, S. T. Merkel, A. Miyake, A. J. Short, Phase transition of computational power in the resource states for one-way quantum computation,
    New. J. Phys. 10, 023010 (2008)

  • M. Bruderer, A. Klein, S.R. Clark and D. Jaksch, Polaron Physics in Optical Lattices,
    Phys. Rev. A 76, 011605(R) (2007).

  • M. Bruderer, A. Klein, S.R. Clark and D. Jaksch, Transport of strong-coupling polarons in optical lattices,
    New J.Phys. 10, 033015 (2008).

  • M. Bruderer, W. Bao and D. Jaksch, Self-trapping of impurities in Bose-Einstein condensates: Strong attractive and repulsive coupling,
    EuroPhys. Lett. 82, 30004 (2008).

  • H.P. Büchler, E. Demler, M. Lukin, A. Micheli, N. Prokof'ev, G. Pupillo, P. Zoller,Strongly correlated 2D quantum phases with cold polar molecules: controlling the shape of the interaction potential,
    Phys. Rev. Lett. 98, 060404 (2007).

  • H. P. Büchler, A. Micheli and P. Zoller, Three-body interactions with cold polar molecules,
    Nature Phys. 3, 726-731 (2007).

  • G. G. Carlo, G. Benenti, G. Casati, S. Wimberger, O. Morsch, R. Mannella, and E. Arimondo, Chaotic ratchet dynamics with cold atoms in a pair of pulsed optical lattices,
    Phys. Rev. A 74, 033617 (2006).

  • J. Calsamiglia, L. Hartmann, W. Dür, and H. J. Briegel, Spin Gases: Quantum Entanglement Driven by Classical Kinematics,
    Phys. Rev. Lett. 95, 180502 (2005)

  • J. Calsamiglia, L. Hartmann, W. Dür, H. J. Briegel,Entanglement and decoherence in spin gases,
    International Journal of Quantum Information 5, 509-523 (2007)

  • P. Cheinet, S. Trotzky, M. Feld,1 U. Schnorrberger, M. Moreno-Cardoner, S. Fölling, and I. Bloch, Counting Atoms Using Interaction Blockade in an Optical Superlattice,
    Phys. Rev. Lett. 101, 090404 (2008).

  • M. Cozzini, T. Calarco, A. Recati, P. Zoller,Fast Rydberg gates without dipole blockade via quantum control,
    Opt. Comm. 264, 375 (2006).

  • A.J. Daley, S.R. Clark, D. Jaksch, and P. Zoller, Numerical analysis of coherent many-body currents in a single atom transistor,
    Phys. Rev. A 72, 043618 (2005)

  • A.J. Daley, P. Zoller, and B. Trauzettel, Andreev-like reflections with cold atoms,
    Phys. Rev. Lett. 100, 110404 (2008).

  • T. Donner, S. Ritter, T. Bourdel, A. Öttl, M. Köhl,T. Esslinger, Critical Behavior of a Trapped Interacting Bose Gas,
    Science 315, 1556 (2007).

  • T. Donner, S. Ritter, T. Bourdel, A. Öttl, M. Köhl, T. Esslinger, Critical Behavior of a Trapped Interacting Bose Gas
    Science 315, 1556 (2007)

  • U. Dorner, A. Klein, D. Jaksch, A quantum repeater based on decoherence free subspaces,
    Quant. Inf. Comp. 8, 0468 (2008).

  • W. Dür and H. J. Briegel,Entanglement purification and quantum error correction,
    Rep. Progr. Phys. 70, 1381-1424 (2007).

  • R. Franzosi, M. Cristiani, C. Sias, and E. Arimondo,Coherent transport of cold atoms in angle-tuned optical lattices
    Phys. Rev. A 74, 013403 (2006)

  • F. Gerbier, A. Widera, S. Fölling, O. Mandel, and I. Bloch, Resonant control of spin dynamics in ultracold quantum gases by microwave dressing,
    Phys. Rev. A 73, 041602 (2006)

  • F. Gerbier, S. Folling, A. Widera, O. Mandel, and I. Bloch Probing number squeezing of ultracold atoms across the superfluid-Mott insulator transition
    Phys. Rev. Lett. 96, 090401 (2006)

  • T. Gericke, F. Gerbier, A. Widera, S. Folling, O. Mandel, and I. Bloch Adiabatic loading of a Bose-Einstein condensate in a 3D optical lattice,
    J. Mod. Phys. 54, 735 2007

  • A.V. Gorshkov, L. Jiang, M. Greiner, P. Zoller, and M.D. Lukin, Coherent Quantum Optical Control with Sub- Wavelength Resolution,
    Phys. Rev. Lett. 100, 093005 2008)

  • A.V. Gorshkov, P. Rabl, G. Pupillo, A. Micheli, P. Zoller, M.D. Lukin, H. P. Büchler, Suppression of Inelastic Collisions Between Polar Molecules With a Repulsive Shield,
    Phys. Rev. Lett. 101, 073201 (2008).

  • A. Griessner, A.J. Daley, D. Jaksch, and P. Zoller, Fault-tolerant dissipative preparation of atomic quantum registers with ferimions,
    Phys. Rev. A 72, 032332 (2005)

  • A. Griessner, A. J. Daley, S. R. Clark, D. Jaksch, P. Zoller, Dark state cooling of atoms by superfluid immersion
    Phys. Rev. Lett. 97, 220403 (2006)

  • A. Griessner, A.J. Daley, S.R. Clark, D. Jaksch and P. Zoller, Dissipative dynamics of atomic Hubbard models coupled to a phonon bath: Dark state cooling of atoms within a Bloch band of an optical lattice,
    New J. Phys. 9, 44 (2007).

  • O. Gühne, C.-Y. Lu, W.-B. Gao, J.-W. Pan, A toolbox for entanglement detection and fidelity estimation,
    Phys. Rev. A 76, 030305(R) (2007).

  • O. Gühne, Géza Tóth, P. Hyllus, and H. J. Briegel, Bell Inequalities for Graph States,
    Phys. Rev. Lett. 95, 120405 (2005)

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

  • O. Gühne, M. Reimpell, R. Werner,Estimating entanglement measures in experiments,
    Phys. Rev. Lett. 98, 110502 (2007).

  • O. Gühne, M. Reimpell, R. Werner, Lower bounds on entanglement measures from incomplete information,
    Phys. Rev. A 77, 052317 (2008).

  • O. Gühne, M. Mechler, G. Toth, P. Adam, Entanglement criteria based on local uncertainty relations are strictly stronger than the computable cross norm criterion,
    Phys. Rev. A 74, 010301(R) (2006).

  • K. Günter, T. Stoferle, H. Moritz, M. Kohl, T. Esslinger Bose-Fermi Mixtures in a Three-dimensional Optical Lattice
    Phys. Rev. Lett. 96, 180402 (2006)

  • Z. Idziaszek, T. Calarco, and P. Zoller, Controlled collisions of a single atom and ion guided by movable trapping potentials,
    Phys. Rev A 76, 033409 (2007) .

  • R. Jördens, N. Strohmaier, K. Günter, H. Moritz, T. Esslinger, A Mott insulator of fermionic atoms in an optical lattice,
    Nature 455, 204 (2008).

  • L. Hartmann, J. Calsamiglia, W. Dür, and H. J. Briegel, Spin gases as microscopic models for non-Markovian decoherence,
    Phys. Rev. A 72 052107 (2005)

  • L. Hartmann, J. Calsamiglia, W. Dür, H. J. Briegel, Weighted graph states and applications to spin chains, lattices and gases,
    J. Phys. B: At. Mol. Opt. Phys. 40, S1-S44 (2007)

  • L. Hartmann, W. Dür, H. J. Briegel, Entanglement and its dynamics in open, dissipative systems,
    New Journal of Physics 9, 230 (2007).

  • L. Hartmann, B. Kraus, H. J. Briegel, W. Dür, On the role of memory errors in quantum repeaters , Phys. Rev. A  75, 032310 (2007)

  • R. Jördens, N. Strohmaier, K. Günter, H. Moritz, T. Esslinger, A Mott insulator of fermionic atoms in an optical lattice ,
    arXiv: 0804.4009, 24 April 2008

  • A. Kay, J. K. Pachos, W. Dür, H.-J. Briegel,Optimal purification of thermal graph states,
    New J. Phys. 8 (2006) 147

  • A. Klein, M. Bruderer, S.R. Clark and D. Jaksch, Dynamics, dephasing and clustering of impurity atoms in Bose- Einstein condensates,
    New J. Phys. 9, 411 (2007).

  • A. Klein, U. Dorner, C. M. Alves, and D. Jaksch, Robust implementations of quantum repeaters,
    Phys. Rev. A 73, 012332 (2006)

  • A. Klein and D. Jaksch, Simulating the t-J-U Hamiltonian with atoms in optical lattices,
    Phys. Rev. A 73, 053613 (2006)

  • M. Köhl, T. Donner, S. Ritter, T. Bourdel, A. Öttl, F. Brennecke, T. Esslinger, Criticality and Correlations in Cold Atomic Gases ,
    Advances in Solid State Physics 47,79 (2008)

  • M. Köhl, K. Günter, T. Stöferle, H. Moritz, T. Esslinger, Strongly interacting atoms and molecules in a 3D optical lattice
    J. Phys. B: At. Mol. Opt. Phys. 39, S47 (2006)

  • M. Köhl, A. Öttl, S. Ritter, T. Donner, T. Bourdel, T. Esslinger, Time interval distributions of atoms in atomic beams
    Appl. Phys. B (2006)

  • T. Konrad, O. Gühne, J. Audretsch, H. J. Briegel,Parameter estimation for mixed states from a single copy,
    Phys. Rev. A 75, 062101 (2007).

  • J. Korbicz, O. Gühne, M. Lewenstein, H. Häffner, C. F. Roos, R. Blatt,Generalized spin squeezing inequalities in N qubit systems: theory and experiment,
    Phys. Rev. A 74, 052319 (2006).

  • B. Kraus, H.P. Büchler, Diehl, A. Kantian, A. Micheli, and P. Zoller, Preparation of Entangled States by Quantum Markov Processes,
    Phys. Rev. A 78, 042307 (2008)

  • C. Kruszynska, S. Anders, W. Dür, and H. J. Briegel, Quantum communication cost of preparing multipartite entanglement,
    Phys. Rev. A 73, 062328 (2006)

  • C. Kruszynska, A. Miyake, H.-J. Briegel, W. Dür, Entanglement purification protocols for all graph states,
    Phys. Rev. A 74, 052316 (2006)

  • Anatoly Kuklov and Henning Moritz Detecting multiatomic composite states in optical lattices
    Phys. Rev. A 75, 013616 (2007)

  • H. Lignier, C. Sias, D. Ciampini, Y. Singh, A. Zenesini, O. Morsch, and E. Arimondo, Dynamical control of matter-wave tunneling in periodic potentials,
    Phys. Rev. Lett. 99, 220403 (2007).

  • X. Lu, C.-Q. Wu, A. Micheli, and G. Pupillo, Structure and melting behavior of classical bilayer crystals of dipoles,
    Phys. Rev. B 78, 024108 (2008).


  • C.-Y. Lu, X.-Q. Zhou, O. Gühne, W.-B. Gao, J. Zhang, Z.-S. Yuan, A. Goebel, T. Yang, J.-W. Pan, Experimental entanglement of six photons in graph states,
    Nature Phys. 3, 91-95 (2007).

  • A.Micheli, G.K. Brennan, and P. Zoller,A toolbox for lattice-spin models with polar molecules,
    Nature Physics 2, 341 (2006)

  • A. Micheli, G. Pupillo, P. Büchler and P. Zoller,Cold polar molecules in 2D traps: Tailoring interactions with external fields for novel quantum phases,
    Phys. Rev. A 76, 043604 (2007).

  • C. E. Mora and H. J. Briegel, Algorithmic Complexity and Entanglement of Quantum States,
    Phys. Rev. Lett. 95, 200503 (2005)

  • C.E. Mora, M. Piani, H. J. Briegel, Epsilon measures of entanglement,
    New J. Phys. 10, 083027 (2008)

  • H. Moritz, T. Stoferle, K. Günter, M. Köhl, T. Esslinger Confinement Induced Molecules in a 1D Fermi Gas
    Phys. Rev. Lett. 94, 210401 (2006)

  • T. Müller, S. Fölling, A. Widera, and I. Bloch, State preparation and dynamics of ultracold atoms in higher lattice orbitals,
    Phys. Rev. Lett. 99, 200405 (2007)

  • A. Öttl, S. Ritter, M. Köhl and T. Esslinger, Correlations and Counting Statistics of an Atom Laser
    Phys. Rev. Lett. 95, 090404 (2005)


  • A. Öttl, S. Ritter, M. Köhl and T. Esslinger, Hybrid apparatus for Bose-Einstein condensation and cavity quantum electrodynamics: Single atom detection in quantum degenerate gases
    Rev. Sci. Instrum. 77, 063118 (2006) [pdf]


  • R.N. Palmer, C. Moura Alves, and D. Jaksch, Detection and characterization of multipartite entanglement in optical lattices,
    Phys. Rev. A 72, 042335 (2005)

  • R.N. Palmer and D. Jaksch, High field fractional quantum Hall effect in optical lattices,
    Phys. Rev. Lett. 96, 180407 (2006)

  • G. Pupillo, A. M. Rey and G. G. Batrouni Bragg spectroscopy of trapped one dimensional strongly interacting bosons in optical lattices: Probing the cake-structure,
    Phys. Rev. A 74, 013601 (2006)

  • G. Pupillo, A. Griessner, A. Micheli, M. Ortner, D.-W. Wang, and P. Zoller, Cold Atoms and Molecules in Self- Assembled Dipolar Lattices,
    Phys. Rev. Lett. 100, 050402 (2008).

  • P. Rabl, D. DeMille, J.M. Doyle, M.D. Lukin, R.J. Schoelkopf, and P. Zoller,Hybrid Quantum Processors: molecular ensembles as quantum memory for solid state circuits,
    Phys. Rev. Lett. 97, 033003 (2006)

  • A. M. Rey, G. Pupillo, and J. V. PortoThe role of interactions, tunneling and harmonic confinement on the adiabatic loading of bosons in an optical lattice
    Phys. Rev. A 73, 023608 (2006).

  • S. Ritter, A. Öttl, T. Donner, T. Bourdel, M. Köhl, T. Esslinger, Observing the Formation of Long-Range Order during Bose-Einstein Condensation
    Phys. Rev. Lett. 98, 090402 (2007)


  • M. Rodriguez, S.R. Clark and D. Jaksch, Generation of twin Fock states via transition from a two-component Mott insulator to a superfluid,
    Phys. Rev. A 75, 011601(R) (2007).


  • 28) M. Rodriguez, S.R. Clark and D. Jaksch, Adiabatic melting of two-component Mott-insulator states,
    Phys. Rev. A 77, 043613 (2008).

  • 29) C. Sias, H. Lignier, Y. P. Singh, A. Zenesini, D. Ciampini, O. Morsch, and E. Arimondo, Observation of Photon- Assisted Tunneling in Optical Lattices,
    Phys. Rev. Lett. 100, 040404 (2008).

  • C. Sias, A. Zenesini, H. Lignier, S. Wimberger, D. Ciampini, O. Morsch, and E. Arimondo,Resonantly Enhanced Tunneling of Bose-Einstein Condensates in Periodic Potentials,
    Phys. Rev. Lett. 98, 120403 (2007).


  • T. Stoferle, H. Moritz, K. Günter, M. Köhl, and T. Esslinger Molecules of Fermionic Atoms in Optical Lattices
    Phys. Rev. Lett. 96, 030401 (2006)

  • N. Strohmaier, Y. Takasu, K. Günter, R. Jördens, M. Köhl, H. Moritz, T. Esslinger, Interaction-Controlled Transport of an Ultracold Fermi Gas,
    Phys. Rev. Lett. 99, 220601 (2007)

  • A. Tomadin, R. Mannella, and S.Wimberger,Many-Body Interband Tunneling as a Witness of Complex Dynamics in the Bose-Hubbard Model,
    Phys. Rev. Lett. 98, 130402 (2007)

  • G. Tóth, O. Gühne, and H. J. Briegel, Two-setting Bell inequalities for graph states,
    Phys. Rev. A 73, 022303 (2006)

  • G. Toth, C. Knapp, O. Gühne, H. J. Briegel, Optimal spin squeezing inequalities detect bound entanglement in spin models,
    Phys. Rev. Lett. 99, 250405 (2007).

  • S. Trotzky, P. Cheinet, S. Fölling, M. Feld, U. Schnorrberger, A.M. Rey, A. Polkovnikov, E.A. Demler, M.D. Lukin, I. Bloch, Time-Resolved Observation and Control of Superexchange Interactions with Ultracold Atoms in Optical Lattices,
    Science 319, 295 (2008).

  • M. Van den Nest, W. Dür, A. Miyake, H. J. Briegel,Fundamentals of universality in one-way quantum computation,
    New J. Phys. 9, 204 (2007).

  • M. Van den Nest, W. Dür, G. Vidal, H. J. Briegel,Classical simulation versus universality in measurement based quantum computation,
    Phys. Rev. A 75, 012337 (2007).

  • M. Van den Nest, K. Luttmer, W. Dür, and H. J. Briegel, Graph states as ground states of many-body spin-1/2 Hamiltonians,
    Phys. Rev.A 77, 012301 (2008).

  • M. Van den Nest, W. Dür, H. J. Briegel, Completeness of the classical 2D Ising model and universal quantum computation,
    Phys. Rev. Lett. 100, 110501 (2008).

  • Van d. Nest, A. Miyake, W. Dür, H. J. Briegel, Universal resources for measurement-based quantum computation,
    Phys. Rev. Lett. 97, 150504 (2006)

  • B. Vaucher, S.R. Clark, U. Dorner and D. Jaksch,Fast initialization of a high-fidelity quantum register using optical superlattices,
    New. J. Phys. 9, 221 (2007).

  • B. Vaucher, A. Nunnenkamp, D. Jaksch, Creation of resilient entangled states and a resource for measurement-based quantum computation with optical superlattices,
    New J. Phys. 10, 023005 (2008).

  • A. Widera, F. Gerbier, S. Folling, T. Gericke, O. Mandel, and I. Bloch, Coherent collisional spin dynamics in optical lattices
    Phys. Rev. Lett. 95, 190405 (2005)

  • A. Widera, F. Gerbier, S. Folling, T. Gericke, O. Mandel, and Immanuel Bloch, Precision measurement of spin-dependent interaction strengths for spin-1 and spin-2 87Rb atoms,
    New J. Phys. 8, 152 (2006)

  • W. Yi, A. Daley, G. Pupillo, and P. Zoller, State-dependent, addressable subwavelength lattices with cold atoms ,
    New J. Phys. 10, 073015 (2008).

  • K. Winkler, G. Thalhammer, F. Lang, R. Grimm, J. Hecker Denschlag, A. J. Daley, A. Kantian, H. P. Buechler and P. Zoller Repulsively bound atom pairs in an optical lattice,
    Nature 441, 853 (2006)

  • A. Widera, S. Trotzky, P. Cheinet, S. Fölling, F. Gerbier, I. Bloch, V. Gritsev, M.D. Lukin, and E.A. Demler, Quantum Spin Dynamics of Mode-Squeezed Luttinger Liquids in Two-Component Atomic Gases,
    Phys. Rev. Lett. 100, 140401 (2008).

  • A. Zenesini, C. Sias, H. Lignier, Y. Singh, D. Ciampini, O. Morsch, R. Mannella, E. Arimondo, A. Tomadin and S. Wimberger, Resonant tunneling of Bose–Einstein condensates in optical lattices,
    New J. Phys. 10, 053038 (2008).



  • arXiv

  • H. J. Briegel, D. Browne, W. Dür, R. Raussendorf and M. Van den Nest, Measurement-based quantum computation,
    to appear in Nature Physics.

  • B. Capogrosso-Sansone, S. Wessel, H.P. Büchler, P. Zoller, and G. Pupillo, Three-body interactions in one dimension,
    arXiv:0807.4563v2

  • A. Diehl, A. Micheli, A. Kantian, B. Kraus, H.P. Büchler, and P. Zoller, Quantum states and phases in driven open quantum systems with cold atoms,
    Nature Physics in press, arXiv:0803.1482v2

  • W. Dür, M. J. Bremner, and H.-J. Briegel, Quantum simulation of interacting high-dimensional systems: the influence of noise,
    arXiv.org/0706.0154

  • A. Eckardt, M. Holthaus, H. Lignier, A. Zenesini. D. Ciampini, O. Morsch and E. Arimondo, Exploring dynamical localization with a Bose-Einstein condensate, arXiv

  • O. Gühne, F. Bodoky, M. Blaauboer, Multiparticle entanglement under the influence of decoherence,
    arXiv:0805.2873

  • R. Hübener, C. Kruszynska, L. Hartmann, W. Dür, F. Verstraete, J. Eisert, M. B. Plenio, Renormalization algorithm with graph enhancement,
    arXiv.org/0802.1211.

  • A. Klein and D. Jaksch, Phonon-induced artificial magnetic fields,
    preprint arXiv:0808.1898v1.

  • S.-W. Lee and D. Jaksch, Optimal Bell inequalities for high-dimensional and continuous variable systems,
    preprint arXiv:0803.3097v1.

  • C. Mora, M. Piani, M.Van den Nest, A. Miyake, W. Dür and H.J. Briegel, Universal resources for approximate and stochastic measurement-based quantum computation,
    in preparation.

  • T. Moroder, O. Gühne, N. Lütkenhaus, Iterations of nonlinear entanglement witnesses,
    arXiv:0806.0855v1.

  • B Vaucher, S J Thwaite and D. Jaksch, Ultra-large Rydberg dimers in optical lattices,
    arXiv: 0808.2254 (2008).

  • A. Zenesini, H. Lignier, D. Ciampini, O. Morsch, and E. Arimondo, Coherent control of dressed matter waves,
    arXiv: 0809.0768