Prof. Dr. Walter Hofstetter


Address:                   Institut für Theoretische Physik
Johann Wolfgang Goethe-Universität
Max-von-Laue-Str. 1
60438 Frankfurt / Main
Phone:+49 - 69 - 798 - 47819
+49 - 69 - 798 - 47821(secretary)
Fax:+49 - 69 - 798 - 47881
E-Mail:click here to send me an e-mail


Curriculum Vitae



Theoretische Physik 1 / Mathematische MethodenWinter 2017/2018
Quantum Information and Ultracold AtomsSummer 2017
Statistical MechanicsWinter 2016/2017
Quantum MechanicsSummer 2016
Theoretical Quantum OpticsWinter 2015/2016
Computational PhysicsSummer 2015
Ultracold Quantum GasesSummer 2014
Computational PhysicsWinter 2013/2014
Quantum MechanicsSummer 2013
Statistical MechanicsWinter 2012/2013
Computational PhysicsWinter 2012/2013
Quantum MechanicsSummer 2012
Classical ElectrodynamicsWinter 2011/2012
Ultracold Quantum GasesSummer 2011
Theoretical Quantum OpticsSummer 2010
Statistical MechanicsWinter 2009/2010
Advanced Quantum MechanicsSummer 2009
Classical ElectrodynamicsWinter 2008/2009
Quantum MechanicsSummer 2008
Classical ElectrodynamicsWinter 2007/2008
Quantum Information and Ultracold Atoms                    Summer 2007
Statistical MechanicsWinter 2006/2007
Quantum Information and Ultracold AtomsSummer 2006
Computational PhysicsWinter 2005/2006
Quantum Information and Ultracold AtomsSummer 2005
Computational PhysicsWinter 2004/2005 


Relevant Links 

Die Junge Akademie an der Berlin-Brandenburgischen Akademie der Wissenschaften
The Pappalardo Fellowship @ MIT  


Research interests

For my citation statistics, see my Researcher ID or Google Scholar.

  • Ultracold atoms, their dynamics and topological phases in optical lattices (see LabTalk review of our work)
  • Hybrid quantum simulations with ultracold atoms and ions (see press release and synopsis)
  • Strongly correlated electrons
  • Transport through electronic nanostructures (see review on physorg)
  • Dynamical mean-field theory and related non-perturbative approaches
  • Numerical renormalization group and flow-equation techniques



  1. Jun-Hui Zheng, Walter Hofstetter
    Topological invariant for 2D open systems

  2. Tao Qin, Walter Hofstetter
    Non-thermalized Steady States and Resonant Tunneling in Time-Periodically Driven Systems with Interactions

  3. Kirill Plekhanov, Ivana Vasic, Alexandru Petrescu, Rajbir Nirwan, Guillaume Roux, Walter Hofstetter, Karyn Le Hur
    Emergent Chiral Spin State in the Mott Phase of a Bosonic Kane-Mele-Hubbard Model

  4. Ulrike Bornheimer, Ivana Vasic, Walter Hofstetter
    Phase transitions of the coherently coupled two-component Bose gas in a square optical lattice

  5. Yongqiang Li, Andreas Geissler, Walter Hofstetter, Weibin Li
    Supersolidity of lattice Bosons immersed in strongly correlated Rydberg dressed atoms

  6. T. Qin, W. Hofstetter
    Spectral functions of a time-periodically driven Falicov-Kimball model: real-space Floquet DMFT study
    Phys. Rev. B 96, 075134 (2017) [abstractarXiv:1704.03250]

  7. Andreas Geißler, Walter Hofstetter
    The infinite occupation number basis of bosons: Solving a numerical challenge
    Phys. Rev. B 95, 224516 (2017) [abstractarXiv:1611.10185]

  8. Andreas Geißler, Ivana Vasic, Walter Hofstetter
    Condensation versus Long-range Interaction: Competing Quantum Phases in Bosonic Optical Lattice Systems at Near-resonant Rydberg Dressing
    Phys. Rev. A 95, 063608 (2017) [abstractarXiv:1509.06292]
    (Editor's suggestion)

  9. A. Golubeva, A. Sotnikov, A. Cichy, J. Kuneš, W. Hofstetter
    Breaking of SU(4) symmetry and interplay between strongly-correlated phases in the Hubbard model
    Phys. Rev. B 95, 125108 (2017) [abstractarXiv:1612.06258]

  10. Ulf Bissbort, Walter Hofstetter, Dario Poletti
    Operator-based derivation of phonon modes and characterization of correlations for trapped ions at zero and finite temperature
    Phys. Rev. B 94, 214305 (2016) [abstract, arXiv:1608.07235]

  11. Pramod Kumar, Thomas Mertz, Walter Hofstetter
    Interaction-Induced Topological and Magnetic Phases in the Hofstadter-Hubbard Model
    Phys. Rev. B 94, 115161 (2016) [abstractarXiv:1606.09161]

  12. Thomas Mertz, Ivana Vasic, Michael J. Hartmann, Walter Hofstetter
    Photonic currents in driven and dissipative resonator lattices
    Phys. Rev. A 94, 013809 (2016) [abstractarXiv:1601.07451]

  13. Yongqiang Li, Liang He, Walter Hofstetter
    Magnetic phase transitions of spin-1 ultracold bosons in a cubic optical lattice
    Phys. Rev. A 93, 033622 (2016) [abstractarXiv:1507.07249]

  14. Tao Yin, Daniel Cocks, and Walter Hofstetter
    Polaronic effects in one- and two-band quantum systems
    Phys. Rev. A 92, 063635 (2015) [abstractarXiv:1509.08283]
    (Editor's suggestion)

  15. Anna Golubeva, Andrii Sotnikov, and Walter Hofstetter
    Effects of anisotropy in simple lattice geometries on many-body properties of ultracold fermions in optical lattices
    Phys. Rev. A 92, 043623 (2015) [abstractarXiv:1505.02733]

  16. Liang He, Anchun Ji, and Walter Hofstetter
    Bose-Bose Mixtures with Synthetic Spin-Orbit Coupling in Optical Lattices
    Phys. Rev. A 92, 023630 (2015) [abstractarXiv:1404.0970]

  17. Ivana Vasic, Alexandru Petrescu, Karyn Le Hur, and Walter Hofstetter
    Chiral bosonic phases on the Haldane honeycomb lattice
    Phys. Rev. B 91, 094502 (2015) [abstractarXiv:1408.1411]
    (Editor's suggestion)

  18. Bernd Wolf, Andreas Honecker, Walter Hofstetter, Ulrich Tutsch, and Michael Lang
    Cooling through quantum criticality and many-body effects in condensed matter and cold gases
    Int. J. Mod. Phys. B 28, 1430017 (2014) [abstract, arXiv:1601.05092

  19. Björn Kubala, David Roosen, Michael Sindel, Walter Hofstetter, and Florian Marquardt
    Decoherence in a double-dot Aharonov-Bohm interferometer: Numerical renormalization group study
    Phys. Rev. B 90, 035417 (2014) [abstractarXiv:1011.3518

  20. A. Sotnikov and W. Hofstetter
    Magnetic Ordering of Three-Component Ultracold Fermionic Mixtures in Optical Lattices
    Phys. Rev. A 89, 063601 (2014) [abstractarXiv:1402.3397]

  21. I. Vidanovic, D. Cocks, and W. Hofstetter
    Dissipation through localised loss in bosonic systems with long–range interactions
    Phys. Rev. A 89, 053614 (2014) [abstractarXiv:1402.0011]

  22. Ulf Bissbort, Michael Buchhold, and Walter Hofstetter
    Quasi-Particle Theory for the Higgs Amplitude Mode

  23. T. Uehlinger, G. Jotzu, M. Messer, D. Greif, W. Hofstetter, U. Bissbort, T. Esslinger
    Artificial Graphene with Tunable Interactions
    Phys. Rev. Lett. 111, 185307 (2013) [abstract, arXiv:1308.4401]

  24. Y. Li, L. He, and W. Hofstetter
    Anisotropic pair-superfluidity of trapped two-component Bose gases in an optical lattice 
    New J. Phys. 15 093028 (2013). [abstract, arXiv:1203.4262

  25. U. Bissbort, D. Cocks, A. Negretti, Z. Idziaszek, T. Calarco, F. Schmidt-Kaler, W. Hofstetter, R. Gerritsma
    Emulating Solid-State Physics with a Hybrid System of Ultracold Ions and Atoms
    Phys. Rev. Lett. 111, 080501 (2013). [abstract, arXiv:1304.4972]
    see also accompanying Physics Synopsis and Press Release

  26. Peter P. Orth, Daniel Cocks, Stephan Rachel, Michael Buchhold, Karyn Le Hur, and Walter Hofstetter
    Correlated Topological Phases and Exotic Magnetism with Ultracold Fermions
    J. Phys. B: At. Mol. Opt. Phys. 46 (2013) 134004. [abstract, arXiv:1212.5607]
    see also LabTalk - When a topological insulator becomes interacting - IOP Science

  27. Y. Li, L. He, and W. Hofstetter
    Lattice-supersolid phase of strongly correlated bosons in an optical cavity
    Phys. Rev. A 87, 051604(R) (2013). [abstract, arXiv:1205.0813]

  28. A. Sotnikov, M. Snoek, and W. Hofstetter
    Magnetic phases of mass- and population-imbalanced ultracold fermionic mixtures in optical lattices
    Phys. Rev. A 87, 053602 (2013). [abstract, arXiv:1301.1691]

  29. J. Pohlmann, A. Privitera, I. Titvinidze, and W. Hofstetter
    Trion and dimer formation of three-color fermions
    Phys. Rev. A 87, 023617 (2013). [abstract, arXiv:1211.3598]

  30. B. Schmidt, R. Bakhtiari, I. Titvinidze, U. Schneider, M. Snoek, and W. Hofstetter
    Dynamical Arrest of Ultracold Lattice Fermions
    Phys. Rev. Lett. 110, 075302 (2013). [abstract, arXiv:1205.4031]

  31. D. Cocks, P. Orth, S. Rachel, M. Buchhold, K. Le Hur, and W. Hofstetter
    Time-Reversal-Invariant Hofstadter-Hubbard Model with Ultracold Fermions
    Phys. Rev. Lett. 109, 205303 (2012). [abstract, arXiv:1204.4171]

  32. L. He, Y.-Q. Li, E. Altman, and W. Hofstetter
    Quantum phases of Bose-Bose mixtures on a triangular lattice
    Phys. Rev. A 86, 043620 (2012). [abstractarXiv:1205.1806]

  33. U. Bissbort, F. Deuretzbacher, and W. Hofstetter
    Effective multi-body induced tunneling and interactions in the Bose-Hubbard model of the lowest dressed band of an optical lattice 

    Phys. Rev. A 86, 023617 (2012). [abstract, arXiv:1108.6047]


  34. A. Sotnikov, D. Cocks, and W. Hofstetter
    Advantages of mass-imbalanced ultracold fermionic mixtures for approaching quantum magnetism in optical lattices
    Phys. Rev. Lett. 109, 065301 (2012). [abstract, arXiv:1203.4658]

  35. S. Backes, I. Titvinidze, A. Privitera, and W. Hofstetter
    Monte Carlo study of fermionic trions in a square lattice with harmonic confinement 
    Phys. Rev. A 86, 013633 (2012).  [abstract, arXiv:1202.4021]

  36. M. Buchhold, D. Cocks, and W. Hofstetter
    Effects of Smooth Boundaries on Topological Edge Modes in Optical Lattices
    Phys. Rev. A 85, 063614 (2012). [abstract, arXiv:1204.0016]

  37. K. Byczuk, J. Kunes, W. Hofstetter, and D. Vollhardt
    Quantification of correlations in quantum many-particle systems  

    Phys. Rev. Lett. 108, 087004 (2012). [abstract, arXiv:1110.3214]

  38. Y. Li, R. Bakhtiari, L. He, and W. Hofstetter
    Pomeranchuk effect and spin-gradient cooling of Bose-Bose mixtures in an optical lattice  

    Phys. Rev. A 85, 023624 (2012). [abstract, arXiv:1109.0568]

  39. F. May, M.R. Wegewijs, and W. Hofstetter
    Interaction of spin and vibrations in transport through single-molecule magnets
    Beilstein J. Nanotechnol. 2011, 2, 693-698. [abstractarXiv:1102.2798]

  40. Y. Li, R. Bakhtiari, L. He, and W. Hofstetter
    Tunable anisotropic magnetism in trapped two-component Bose gases
    Phys. Rev. B 84, 144411 (2011). [abstract arXiv:1105.4886]

  41. J. Wernsdorfer, G. Harder, U. Schollwöck, and W. Hofstetter 
    Signatures of Delocalization in the Fermionic 1D Hubbard Model with Box Disorder: Comparative Study with DMRG and R-DMFT
    preprint. [arXiv:1108.6057]

  42. D. Semmler, K. Byczuk and W. Hofstetter 
    Anderson-Hubbard model with box disorder: Statistical dynamical mean-field theory investigation
    Phys. Rev. B 84, 115113 (2011). [abstractarXiv:1106.4028]

  43. M. Buchhold, U. Bissbort, S. Will, and W. Hofstetter
    Creating exotic condensates through the interplay of quantum phase revival and trap dynamics
    Phys. Rev. A 84, 023631 (2011). [abstract, arXiv:1012.5100]

  44. A. Privitera, I. Titvinidze, S.-Y. Chang, S. Diehl, A.J. Daley, and W. Hofstetter
    Loss-induced phase separation and pairing for 3-species atomic lattice fermions
    Phys. Rev. A 84, 021601(R) (2011). [abstractarXiv:1010.0114]

  45. L. He and W. Hofstetter
    Supersolid Phase of Cold Fermionic Polar Molecules in 2D Optical Lattices
    Phys. Rev. A 83, 053629 (2011). [abstractarXiv:1101.5633]

  46. U. Bissbort, Y. Li, S. Götze, J. Heinze, J. S. Krauser, M. Weinberg, C. Becker, K. Sengstock, W. Hofstetter
    Detecting the Amplitude Mode of Strongly Interacting Lattice Bosons by Bragg Scattering
    Phys. Rev. Lett. 106, 205303 (2011).  [abstract arXiv:1010.2205]

  47. Michiel Snoek, Irakli Titvinidze, Immanuel Bloch, and Walter Hofstetter
    Effect of interactions on harmonically confined Bose-Fermi mixtures in optical lattices 
    Phys. Rev. Lett. 106, 155301 (2011). [abstract arXiv:1010.5333]

  48. I. Titvinidze, A. Privitera, S.-Y. Chang, S. Diehl, M. Baranov, A.J. Daley, and W. Hofstetter
    Magnetism and domain formation in SU(3) symmetric multi-species mixtures
    New J. Phys. 13 (2011) 035013. [abstract arXiv:1012.4499

  49. Michiel Snoek, Irakli Titvinidze and Walter Hofstetter
    Canted Antiferromagnetic Order of Imbalanced Fermi-Fermi Mixtures in Optical Lattices by Dynamical Mean-Field Theory
    Phys. Rev. B 83, 054419 (2011). [abstract arXiv:1007.5457]

  50. A. Privitera and W. Hofstetter 
    Polaronic slowing of fermionic impurities in lattice Bose-Fermi mixtures 
    Phys. Rev. A 82, 063614 (2010). [abstractarXiv:1009.0675]

  51. D. Semmler, J. Wernsdorfer, U. Bissbort, K. Byczuk and W. Hofstetter 
    Localization of correlated fermions in optical lattices with speckle disorder
    Phys. Rev. B 82, 235115 (2010). [abstractarXiv:1009.3438]

  52. Peter P. Orth, David Roosen, Walter Hofstetter, and Karyn Le Hur
    Dynamics, Synchronization and Quantum Phase Transitions of Two Dissipative Spins
    Phys. Rev. B 82, 144423 (2010). [abstract, arXiv:1007.2857]

  53. A.S. Zyazin, J.W.G. van den Berg, E.A. Osorio, H.S.J. van der Zant, N.P. Konstantinidis, M. Leijnse, M.R. Wegewijs, F. May, W. Hofstetter, Ch. Danieli, and A. Cornia
    Electric Field Controlled Magnetic Anisotropy in a Single Molecule
    Nano Lett. 2010, 10, 3307-3311. [abstract]

  54. Michiel Snoek and Walter Hofstetter
    Bosonic Dynamical Mean-Field Theory
    Chapter in "Quantum Gases: Finite Temperature and Non-Equilibrium Dynamics" (Vol. 1 Cold Atoms Series).
    N.P. Proukakis, S.A. Gardiner, M.J. Davis and M.H. Szymanska, eds. (Imperial College Press, London, 2013). [arXiv:1007.5223]

  55. E. Gorelik, I. Titvinidze, W. Hofstetter, M. Snoek, N. Blümer 
    Néel transition of lattice fermions in a harmonic trap: a real-space DMFT study
    Phys. Rev. Lett. 105, 065301 (2010). [abstract, arXiv:1004.4857]

  56. K. Byczuk, W. Hofstetter, and D. Vollhardt
    Anderson localization vs. Mott-Hubbard metal-insulator transition in disordered, interacting lattice fermion systems
    Int. J. Mod. Phys. B 24, 1727 (2010). [abstract, arXiv:1002.3696]

  57. Ulf Bissbort, Ronny Thomale, and Walter Hofstetter
    Stochastic Mean-Field Theory: Method and Application to the disordered Bose-Hubbard Model at finite Temperature and Speckle Disorder 
    Phys. Rev. A 81, 063643 (2010). [abstract, arXiv:0911.0923]

  58. I. Titvinidze, M. Snoek, and W. Hofstetter 
    Resonant Superfluidity in an Optical Lattice
    New J. Phys. 12 (2010) 065030. [arXiv:0912.1589

  59. A. Isidori, D. Roosen, L. Bartosch, W. Hofstetter, and P. Kopietz
    Spectral function of the Anderson impurity model at finite temperatures
    Phys. Rev. B 81, 235120 (2010). [arXiv:1003.3188]

  60. K. Byczuk, W. Hofstetter, U. Yu, and D. Vollhardt
    Correlated electrons in the presence of disorder
    Eur. Phys. J. Special Topics 180, 135 (2010). [arXiv:1003.2498] 

  61. Julia Wernsdorfer, Michiel Snoek, and Walter Hofstetter
    Lattice-Ramp Induced Dynamics in an Interacting Bose-Bose Mixture
    Phys. Rev. A 81, 043620 (2010). [abstract arXiv:0911.0697]

  62. Denis Semmler, Krzysztof Byczuk, and Walter Hofstetter
    Mott-Hubbard and Anderson metal-insulator transitions in correlated lattice fermions with binary disorder
    Phys. Rev. B 81, 115111 (2010). [abstract , arXiv:0911.0934]

  63. A. Kantian, M. Dalmonte, S. Diehl, W. Hofstetter, P. Zoller, A. J. Daley
    An atomic colour superfluid via three-body loss
    Phys. Rev. Lett. 103, 240401 (2009). [arXiv:0908.3235]

  64. A. Hubener, M. Snoek, and W. Hofstetter
    Dynamical Mean-Field Analysis of the Multispecies Bose-Hubbard Model
    Phys. Rev. B 80, 245109 (2009). [arXiv:0902.2212]

  65. Mathieu Taillefumier, Eskil D. Kuhl, Arne Brataas, Walter Hofstetter
    Hall Effect in spinor condensates
    Phys. Rev. B 80, 020407(R) (2009). [arXiv:0901.1969]

  66. U. Bissbort and W. Hofstetter
    Stochastic Mean-Field Theory for the Disordered Bose-Hubbard Model
    EPL 86 (2009) 50007. [arXiv:0804.0007]

  67. Andreas Hackl, David Roosen, Stefan Kehrein, Walter Hofstetter
    Nonequilibrium Spin Dynamics in the Ferromagnetic Kondo Model
    Phys. Rev. Lett. 102, 196601 (2009). [arXiv:0903.1079]

  68. K. Byczuk, W. Hofstetter, and D. Vollhardt
    Competition between Anderson localization and antiferromagnetism in correlated lattice fermion systems with disorder
    Phys. Rev. Lett. 102, 146403 (2009). [arXiv:0810.2958]

  69. I. Titvinidze, M. Snoek, and W. Hofstetter
    Generalized Dynamical Mean-Field Theory for Bose-Fermi Mixtures in Optical Lattices
    Phys. Rev. B 79, 144506 (2009). [arXiv:0810.1733]

  70. Krzysztof Byczuk, Michael Sekania, Walter Hofstetter, Arno P. Kampf
    Insulating behavior with spin and charge order in the ionic Hubbard model
    Phys. Rev. B 79, 121103(R) (2009). [arXiv:0902.1076]

  71. K. Byczuk, U. Yu, W. Hofstetter, and D. Vollhardt
    Ferromagnetism and metal-insulator transitions in correlated electron systems with alloy disorder
    Acta Physica Polonica A 115, 7 (2009).

  72. M. Snoek, I. Titvinidze, C. Toke, K. Byczuk, and W. Hofstetter
    Antiferromagnetic Order of Strongly Interacting Fermions in a Trap:
    Real-Space Dynamical Mean-Field Analysis

    New J. Phys. 10, 093008 (2008). [ arXiv:0802.3211 ]

  73. Akos Rapp, Walter Hofstetter, and Gergely Zarand
    Trionic phase of ultracold fermions in an optical lattice: A variational study
    Phys. Rev. B 77, 144520 (2008). [ arXiv:0707.2378 ]

  74. I. Titvinidze, M. Snoek, and W. Hofstetter
    Supersolid Bose-Fermi Mixtures in Optical Lattices
    Phys. Rev. Lett. 100, 100401 (2008). [ arXiv:0708.3241 ]

  75. David Roosen, Maarten Wegewijs and Walter Hofstetter
    Non-equilibrium dynamics of anisotropic large spins in the Kondo regime:
    Time-dependent numerical renormalization group analysis

    Phys. Rev. Lett. 100, 087201 (2008). [ arXiv:0705.3654 ]

  76. Michiel Snoek and Walter Hofstetter
    Two-Dimensional Dynamics of Ultracold Atoms in Optical Lattices
    Phys. Rev. A 76, 051603 (2007). [ arXiv:0707.0870 ]

  77. Karyn Le Hur, Philippe Doucet-Beaupre, and Walter Hofstetter
    Entanglement and Criticality in Quantum Impurity Systems
    Phys. Rev. Lett. 99, 126801 (2007). [ arXiv:0705.0957 ]

  78. M. R. Wegewijs, Ch. Romeike, H. Schoeller and W. Hofstetter
    Magneto-transport through single-molecule magnets: Kondo-peaks, zero-bias dips, molecular symmetry and Berry's phase
    New J. Phys. 9 (2007) 344. [ pdf ]

  79. Chung-Hou Chung and Walter Hofstetter
    Kondo effect in coupled quantum dots with RKKY interaction:
    Finite temperature and magnetic field effects

    Phys. Rev. B 76, 045329 (2007);
    see also Virtual Journal of Nanoscale Science and Technology 16, Issue 6 (August 6, 2007).
    [ cond-mat/0607772 ]

  80. Akos Rapp, Gergely Zarand, Carsten Honerkamp, and Walter Hofstetter
    Color superfluidity and "baryon" formation in ultracold fermions
    Phys. Rev. Lett. 98, 160405 (2007). [ cond-mat/0607138 ]
    see also News and Views review on our work by F. Wilczek [ Nature Physics 3, 375 (2007) ]

  81. K. Byczuk, W. Hofstetter, M. Kollar, and D. Vollhardt
    Surprises in correlated electron physics
    Acta Physica Polonica A 111, 549 (2007) [ pdf ]

  82. Walter Hofstetter
    Eiskalte Atome: Quantenphysik nahe dem absoluten Nullpunkt
    Forschung Frankfurt 4/2006, p. 45-47. [ pdf ]

  83. Gil Refael, Walter Hofstetter and David R. Nelson
    Transverse Meissner Physics of Planar Superconductors with Columnar Pins
    Phys. Rev. B 74, 174520 (2006). [ cond-mat/0605746 ]

  84. C. Romeike, M.R. Wegewijs, W. Hofstetter and H. Schoeller
    Kondo-transport spectroscopy of single molecule magnets
    Phys. Rev. Lett. 97, 206601 (2006). [ cond-mat/0605514 ]

  85. C. Kollath, A. Iucci, T. Giamarchi, W. Hofstetter, U. Schollwoeck
    Spectroscopy of ultracold atoms by periodic lattice modulations
    Phys. Rev. Lett. 97, 050402 (2006). [ cond-mat/0603721 ]

  86. W. Hofstetter
    Ultracold atoms in optical lattices: tunable quantum many-body systems
    Phil. Mag. 86, 1891 (2006). [ pdf version ]

  87. C. Romeike, M.R. Wegewijs, W. Hofstetter and H. Schoeller
    Quantum tunneling induced Kondo effect in single molecular magnets
    Phys. Rev. Lett. 96, 196601 (2006). [ cond-mat/0511664 ]

  88. M. Sindel, W. Hofstetter, J. von Delft, and M. Kindermann
    Finite-Frequency Transport through a Quantum Dot in the Kondo Regime
    AIP Conference Proceedings, Vol. 850, p. 1373 (2006).

  89. Walter Hofstetter
    Flavor Degeneracy and Effects of Disorder in Ultracold Atom Systems
    Advances in Solid State Physics 45, 109 (2005). [ cond-mat/0504113 ]

  90. Krzysztof Byczuk, Walter Hofstetter, and Dieter Vollhardt
    Mott--Hubbard and Anderson Transitions in Dynamical Mean--Field Theory
    Physica B 359-361, 651-653 (2005). [ cond-mat/0502257 ]

  91. Mei-Rong Li, Karyn Le Hur, and Walter Hofstetter
    Hidden Caldeira-Leggett dissipation in a Bose-Fermi Kondo model
    Phys. Rev. Lett. 95, 086406 (2005). [ cond-mat/0501755 ]

  92. Ian Affleck, Walter Hofstetter, David R. Nelson, and Ulrich Schollwoeck
    Non-Hermitian Luttinger liquids and flux line pinning in planar superconductors
    J. Stat. Mech.: Theor. Exp. P10003 (2004). [ cond-mat/0408478 ]

  93. M. Sindel, W. Hofstetter, J. von Delft, and M. Kindermann
    Frequency-dependent transport through a quantum dot in the Kondo regime
    Phys. Rev. Lett. 94, 196602 (2005). [ cond-mat/0406312 ]

  94. Krzysztof Byczuk, Walter Hofstetter, and Dieter Vollhardt
    Mott--Hubbard transition vs. Anderson localization in Correlated Electron Systems with Disorder
    Phys. Rev. Lett. 94, 056404 (2005). [ cond-mat/0403765 ]

  95. Carsten Honerkamp and Walter Hofstetter
    BCS pairing in Fermi systems with several flavors
    Phys. Rev. B 70, 094521 (2004). [ cond-mat/0403166 ]

  96. L. Mathey, D.-W. Wang, W. Hofstetter, M.D. Lukin, Eugene Demler
    Luttinger liquid of polarons in one-dimensional boson-fermion mixtures
    Phys. Rev. Lett. 93, 120404 (2004) . [ quant-ph/0401151 ]

  97. Carsten Honerkamp and Walter Hofstetter
    Ultracold fermions and the SU(N) Hubbard model
    Phys. Rev. Lett. 92, 170403 (2004). [ cond-mat/0309374 ]

  98. Krzysztof Byczuk, Walter Hofstetter, and Dieter Vollhardt
    Mott-Hubbard metal-insulator transition at non-integer filling
    Phys. Rev. B 69, 045112 (2004). [ cond-mat/0309067 ]

  99. E. Altman, W. Hofstetter, E. Demler and M. Lukin
    Phase diagram of two-component bosons on an optical lattice
    New Journal of Physics 5, 113.1 - 113.19 (2003). [ cond-mat/0306683 ]

  100. W. Hofstetter and G. Zarand
    Singlet-Triplet Transition in lateral Quantum Dots: A Numerical Renormalization Group Study
    Phys. Rev. B 69, 235301 (2004). [ cond-mat/0306418 ]

  101. Walter Hofstetter, Ian Affleck, David R. Nelson, and Ulrich Schollwoeck
    Non-Hermitian Luttinger Liquids and Vortex Physics
    Europhys. Lett. 66, 178 (2004). [ cond-mat/0305543 ]

  102. M. Pustilnik, L.I. Glazman, and W. Hofstetter
    Singlet-triplet transition in a lateral quantum dot
    Phys. Rev. B 68, 161303 (2003). [ cond-mat/0304688 ]

  103. L. Borda, G. Zarand, W. Hofstetter, B.I. Halperin, and J. von Delft
    SU(4) Fermi liquid state in a Double Quantum Dot System
    Phys. Rev. Lett. 90, 026602 (2003). [ cond-mat/0207001 ]

  104. W. Hofstetter, J.I. Cirac, P. Zoller, E. Demler, and M.D. Lukin
    High-temperature superfluidity of fermionic atoms in optical lattices
    Phys. Rev. Lett. 89, 220407 (2002). [ cond-mat/0204237 ]

  105. D. Boese, W. Hofstetter, and H. Schoeller
    Interference in interacting quantum dots with spin
    Phys. Rev. B 66, 125315 (2002). [ cond-mat/0201461 ]

  106. Walter Hofstetter and Herbert Schoeller
    Quantum Phase Transition in a Multi-Level Dot
    Phys. Rev. Lett. 88, 016803 (2002). [ cond-mat/0108359 ]

  107. Matthias Vojta, Ralf Bulla, and Walter Hofstetter,
    Quantum phase transitions in models of coupled magnetic impurities,
    Phys. Rev. B 65, 140405(R) (2002). [ cond-mat/0106458 ]

  108. Walter Hofstetter, Jürgen König, and Herbert Schoeller,
    Kondo correlations and the Fano effect in closed Aharonov-Bohm interferometers,
    Phys. Rev. Lett. 87, 156803 (2001). [ cond-mat/0104497 ]

  109. Walter Hofstetter,
    Numerical Renormalization Group analysis of interacting quantum dots,
    Invited talk at the DPG spring meeting 2001, Advances in Solid State Physics 41, 27 (2001).
    [ cond-mat/0104297 ]

  110. Daniel Boese, Walter Hofstetter, and Herbert Schoeller,
    Interference and interaction effects in multi-level quantum dots,
    Phys. Rev. B 64, 125309 (2001). [ cond-mat/0010250 ]

  111. W. Hofstetter and S. Kehrein,
    Flow equation analysis of the anisotropic Kondo model,
    Phys. Rev. B 63, 140402 (2001). [ cond-mat/0008242 ]

  112. Walter Hofstetter,
    Renormalization Group Methods for Quantum Impurity Systems,
    PhD thesis , Augsburg (2000), ISBN 3-8265-8007-9 (Shaker Verlag, Aachen).

  113. Walter Hofstetter,
    Generalized Numerical Renormalization Group for Dynamical Quantities,
    Phys. Rev. Lett. 85, 1508 (2000). [ cond-mat/0004458 ]

  114. W. Hofstetter, R. Bulla, and D. Vollhardt,
    Anderson impurity in a correlated band,
    Phys. Rev. Lett. 84, 4417 (2000). [ cond-mat/9912396 ]

  115. W. Hofstetter and S. Kehrein,
    Symmetric Anderson impurity model with a narrow band,
    Phys. Rev. B 59, R12732 (1999). [ cond-mat/9812427 ]

  116. W. Hofstetter and W. Zwerger,
    Low temperature thermodynamics of inverse square spin models in one dimension,
    Eur. Phys. J. B 5, 751-756 (1998). [ cond-mat/9804311 ]

  117. W. Hofstetter and D. Vollhardt,
    Frustration of antiferromagnetism in the t-t'-Hubbard model at weak coupling,
    Ann. Physik 7, 48 (1998). [ cond-mat/9802233 ]

  118. W. Hofstetter and W. Zwerger,
    The Single-Electron-Box and the Helicity Modulus of an inverse square XY-Model,
    Phys. Rev. Lett. 78, 3737 (1997). [ cond-mat/9612180 ]

  119. W. Hofstetter and M. Henkel,
    Finite-size scaling and universality in the spin-1 quantum XY chain,
    J. Phys. A: Math. Gen. 29, 1359 (1996). [ cond-mat/9512137 ]


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