Recent Preprints

  • Youjiang Xu, Walter Hofstetter
    Getting topological invariants from snapshots: a protocol for defining and calculating topological invariants of systems with discrete parameter space
    Preprint [arXiv:2311.11618]

Peer-Reviewed Publications and Other


  • Jun-Hui Zheng, Arijit Dutta, Monika Aidelsburger, Walter Hofstetter
    Floquet topological phase transitions induded by uncorrelated or correlated disorder
    Phys. Rev. B 109, 184201 (2024) [abstract, arXiv:2309.07035]

  • Arijit Dutta, Efe Sen, Jun-hui Zheng, Monika Aidelsburger, Walter Hofstetter
    The anomalous Floquet Anderson insulator in a continuously driven optical lattice
    Phys. Rev. B 109, L121114 (2024) [abstract, arXiv:2312.13589]


  • Youjiang Xu, Irakli Titvinidze, Walter Hofstetter
    Invisible flat bands on a topological chiral edge
    Phys. Rev. B 106, L220407 (2022) [abstract, arXiv:2204.11946]
  • Morad Ebrahimkhas, Götz S. Uhrig, Walter Hofstetter, Mohsen Hafez-Torbati
    Antiferromagnetic Chern insulator in centrosymmetric systems
    Phys. Rev. B 106, 205107 (2022) [abstract, arxiv:2209.04730]

  • Irakli Titvinidze, Julian Legendre, Karyn Le Hur, Walter Hofstetter
    Hubbard model on the kagome lattice with time-reversal invariant flux and spin-orbit coupling
    Phys. Rev. B 105, 235102 (2022) [abstract, arXiv:2204.01350]

  • Mathieu Barbier, Henrik Lütjeharms, Walter Hofstetter
    Supersolid phases of ultracold bosons trapped in optical lattices dressed with Rydberg p-states
    Phys. Rev. A 105, 013326 (2022) [abstract, arXiv:2109.04917]


  • Mathieu Barbier, Simon Hollerith, Walter Hofstetter
    Extended Bose-Hubbard models with Rydberg macrodimer dressing
    Phys. Rev. A 104, 053304 (2021) [abstract, arXiv:2105.15046]

  • Walter Hofstetter
    Analog Quantum Simulations of the Hubbard Model
    Lecture Notes of the Jülich Autumn School on Correlated Electrons: Simulating Correlations with Computers, pp. 10.1 - 10.29, Verlag des Forschungszentrum Jülich, 2021 [pdf, website]

  • Irakli Titvinidze, Julian Legendre, Maarten Grothus, Bernhard Irsigler, Karyn Le Hur, Walter Hofstetter
    Spin-orbit coupling in the kagome lattice with flux and time-reversal symmetry
    Phys Rev. B 103, 195105 (2021) [abstract, arXiv:2101.12219]

  • Morad Ebrahimkhas, Mohsen Hafez-Torbati, Walter Hofstetter
    Lattice symmetry and emergence of antiferromagnetic quantum Hall states
    Phys Rev. B 103, 155108 (2021) [abstract, arXiv:2006.09515]

  • Bernhard Irsigler, Tobias Grass, Jun-Hui Zheng, Mathieu Barbier, Walter Hofstetter
    Topological Mott transition in a Weyl-Hubbard model: Dynamical mean-field theory study
    Phys Rev. B 103, 125132 (2021) [abstract, arXiv:2011.05100]


  • Jaromir Panas, Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter
    Bulk topological proximity effect in multilayer systems
    Phys. Rev. B 102, 075403 (2020) [abstractarXiv:1910.05197]

  • Mohsen Hafez-Torbati, Jun-Hui Zheng, Bernhard Irsigler, Walter Hofstetter
    Interaction-Driven Topological Phase Transitions in Fermionic SU(3) Systems
    Phys. Rev. B 101, 245159 (2020) [abstractarXiv:1911.03518]

  • Urs Gebert, Bernhard Irsigler, Walter Hofstetter
    Local Chern marker of smoothly confined Hofstadter fermions
    Phys. Rev. A 101, 063606 (2020) [abstractarXiv:1906.11164]

  • Bernhard Irsigler, Jun-Hui Zheng, Fabian Grusdt, Walter Hofstetter
    Z2 characterization for three-dimensional multiband Hubbard models
    Phys. Rev. Research 2, 013299 (2020) [abstractarXiv:1910.08030]

  • Jun-Hui Zheng, Bernhard Irsigler, Lijia Jiang, Christof Weitenberg, Walter Hofstetter
    Measuring an interaction-induced topological phase transition via the single-particle density matrix
    Phys. Rev. A 101, 013631 (2020) [abstractarXiv:1812.01991]


  • Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter
    Microscopic characteristics and tomography scheme of the local Chern marker
    Phys. Rev. A 100, 023610 (2019) [abstractarXiv:1904.03091]

  • Mohsen Hafez-Torbati, Walter Hofstetter
    Competing Charge and Magnetic Order in Fermionic Multi-Component Systems
    Phys. Rev. B 100, 035133 (2019) [abstractarXiv:1901.02054]

  • Jaromir Panas, Mathieu Barbier, Andreas Geißler, Walter Hofstetter
    Supersolid phases of Rydberg-excited bosons on a triangular lattice
    Phys. Rev. A 99, 063625 (2019) [abstractarXiv:1903.01912]

  • Bernhard Irsigler, Jun-Hui Zheng, Mohsen Hafez-Torbati, Walter Hofstetter
    Spin-imbalance-induced transverse magnetization in the Hofstadter-Hubbard model
    Phys. Rev. A 99, 043628 (2019) [abstractarXiv:1812.02001]

  • Arya Dhar, Christian Baals, Bodhaditya Santra, Andreas Müllers, Ralf Labouvie, Thomas Mertz, Ivana Vasic, Agnieszka Cichy, Herwig Ott, Walter Hofstetter
    Transport of Strongly Correlated Bosons in an Optical Lattice
    Physica Status Solidi (b) 256.9 (2019): 1800752 [abstract]

  • Jun-Hui Zheng, Tao Qin, Walter Hofstetter
    Interaction-enhanced integer quantum Hall effect in disordered systems
    Phys. Rev. B 99, 125138 (2019) [abstractarXiv:1805.10491]

  • Jaromir Panas, Michael Pasek, Arya Dhar, Tao Qin, Andreas Geißler, Mohsen Hafez-Torbati, Max E. Sorantin, Irakli Titvinidze, Walter Hofstetter
    Density-wave steady-state phase of dissipative ultracold fermions with nearest-neighbor interactions
    Phys. Rev. B 99, 115125 (2019) [abstractarXiv:1811.07369]

  • Mathieu Barbier, Andreas Geißler, Walter Hofstetter
    Decay-dephasing-induced steady states in bosonic Rydberg-excited quantum gases in an optical lattice
    Phys. Rev. A 99, 033602 (2019) [abstractarXiv:1806.08588]

  • Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter
    Interacting Hofstadter Interface
    Phys. Rev. Lett. 122, 010406 (2019) [abstractarXiv:1806.01598]


  • Andreas Geißler, Ulf Bissbort, Walter Hofstetter
    Quasiparticle spectra of supersolid lattice gases at near-resonant Rydberg-dressing
    Phys. Rev. A 98, 063635 (2018) [abstractarXiv:1806.05911]

  • Mohsen Hafez-Torbati, Walter Hofstetter
    Artificial SU(3) Spin-Orbit Coupling and Exotic Mott Insulators
    Phys. Rev. B 98, 245131 (2018) [abstractarXiv:1809.05704]

  • Ana Hudomal, Ivana Vasić, Hrvoje Buljan, Walter Hofstetter, Antun Balaž
    Dynamics of weakly interacting bosons in optical lattices with flux
    Phys. Rev. A 98, 053625 (2018) [abstractarXiv:1809.05125]

  • Tao Qin, Alexander Schnell, Klaus Sengstock, Christof Weitenberg, André Eckardt, Walter Hofstetter
    Charge density wave and charge pump of interacting fermions in circularly shaken hexagonal optical lattices
    Phys. Rev. A 98, 033601 (2018) [abstractarXiv:1804.03200]

  • Jun-Hui Zheng, Walter Hofstetter
    Topological invariant for two-dimensional open systems
    Phys. Rev. B 97, 195434 (2018) [abstractarXiv:1710.03119]

  • 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
    Phys. Rev. Lett. 120, 157201 (2018) [abstractarXiv:1707.07037]
  • W. Hofstetter, T. Qin
    Quantum simulation of strongly correlated condensed matter systems
    J. Phys. B: At. Mol. Opt. Phys. 51, 082001 (2018) [abstract]

  • Tao Qin, Walter Hofstetter
    Nonequilibrium steady states and resonant tunneling in time-periodically driven systems with interactions
    Phys. Rev. B 97, 125115 (2018) [abstractarXiv:1709.03021]

  • Yongqiang Li, Andreas Geissler, Walter Hofstetter, Weibin Li
    Supersolidity of lattice Bosons immersed in strongly correlated Rydberg dressed atoms
    Phys. Rev. A 97, 023619 (2018) [abstractarXiv:1705.01026]


  • Ulrike Bornheimer, Ivana Vasic, Walter Hofstetter
    Phase transitions of the coherently coupled two-component Bose gas in a square optical lattice
    Phys. Rev. A 96, 063623 (2017) [abstractarXiv:1705.02833]

  • T. Qin, W. Hofstetter
    Spectral functions of a time-periodically driven Falicov-Kimball model: Real-space Floquet dynamical mean-field theory study
    Phys. Rev. B 96, 075134 (2017) [abstract, arXiv:1704.03250]

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

  • A. Geißler, I. Vasic, W. 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)

  • 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]


  • 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]

  • P. Kumar, T. Mertz and W. Hofstetter
    Interaction-Induced Topological and Magnetic Phases in the Hofstadter-Hubbard Model
    Phys. Rev. B 94, 115161 (2016) [abstractarXiv:1606.09161]

  • T. Mertz, I. Vasic, M. J. Hartmann and W. Hofstetter
    Photonic currents in driven and dissipative resonator lattices
    Phys. Rev. A 94, 013809 (2016) [abstractarXiv:1601.07451]

  • A. Cichy and A. Sotnikov
    Orbital magnetism of ultracold fermionic gases in a lattice: dynamical mean-field approach
    Phys. Rev. A 93, 053624 (2016) [abstractarXiv:1602.08031]

  • Y. Li, L. He, and W. Hofstetter
    Magnetic phase transitions of spin-1 ultracold bosons in a cubic optical lattice
    Phys. Rev. A 93, 033622 (2016) [abstractarXiv:1507.07249]


  • T. Yin, D. Cocks, and W. Hofstetter
    Polaronic effects in one- and two-band quantum systems
    Phys. Rev. A 92, 063635 (2015) [abstractarXiv:1509.08283]
    (Editor's suggestion)

  • A. Golubeva, A. Sotnikov, and W. 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]

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

  • I. Vasic, A. Petrescu, K. Le Hur, and W. Hofstetter
    Chiral bosonic phases on the Haldane honeycomb lattice
    Phys. Rev. B 91, 094502 (2015) [abstractarXiv:1408.1411]
    (Editor's suggestion)


  • B. Wolf, A. Honecker, W. Hofstetter, U. Tutsch, and M. Lang
    Cooling through quantum criticality and many-body effects in condensed matter and cold gases
    Int. J. Mod. Phys. B 28, 1430017 (2014) [abstractarXiv:1601.05092

  • B. Kubala, D. Roosen, M. Sindel, W. Hofstetter, and F. Marquardt
    Decoherence in a double-dot Aharonov-Bohm interferometer: Numerical renormalization group study
    Phys. Rev. B 90, 035417 (2014) [abstractarXiv:1011.3518

  • 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]

  • I. Vidanovic, D. Cocks, and W. Hofstetter
    Dissipation through localized loss in bosonic systems with long-range interactions
    Phys. Rev. A 89, 053614 (2014) [abstractarXiv:1402.0011]
  • Ulf Bissbort, Michael Buchhold, and Walter Hofstetter
    Quasi-Particle Theory for the Higgs Amplitude Mode


  • 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]
  • 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]
  • 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

  • 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]

  • 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]

  • 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]

  • 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]

  • 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


  • 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]
  • 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]
  • U. Bissbort, F. Deuretzbacher, 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]
  • 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]
  • 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]
  • 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]
  • K. Byczuk, J. Kunes, W. Hofstetter, D. Vollhardt
    Quantification of correlations in quantum many-particle systems
    Phys. Rev. Lett. 108, 087004 (2012)[abstract, arXiv:1110.3214]
  • 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]


  • Julia Wernsdorfer, Georg Harder, Ulrich Schollwöck, and Walter Hofstetter 
    Signatures of Delocalization in the Fermionic 1D Hubbard Model with Box Disorder: Comparative Study with DMRG and R-DMFT 
  • 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]
  • Yongqiang Li, M. Reza Bakhtiari, Liang He, Walter Hofstetter
    Tunable anisotropic magnetism in trapped two-component Bose gases
    Phys. Rev. B 84, 144411 (2011). [abstract, arXiv:1105.4886]
  • 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)[abstract, arXiv:1106.4028]
  • M. Buchhold, U. Bissbort, S. Will, and W. Hofstetter
    Creating exotic condensates via quantum-phase-revival dynamics in engineered lattice potentials
    Phys. Rev. A 84, 023631 (2011). [abstractarXiv:1012.5100]
  • 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).  [abstract, arXiv:1010.0114]
  • 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]
  • U. Bissbort, Y. Li, S. Götze, J. Heinze, J. S. Krauser, M. Weinberg, C. Becker, K. Sengstock, and W. Hofstetter
    Detecting the Amplitude Mode of Strongly Interacting Lattice Bosons by Bragg Scattering
    Phys. Rev. Lett. 106, 205303 (2011). [abstract, arXiv:1010.2205]
  • 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]
  • 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]
  • 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]


  • A. Privitera and W. Hofstetter
    Polaronic slowing of fermionic impurities in lattice Bose-Fermi mixtures
    Phys. Rev. A 82, 063614 (2010). [abstract, arXiv:1009.0675]
  • Denis Semmler, Julia Wernsdorfer, Ulf Bissbort, Krzysztof Byczuk and Walter Hofstetter
    Localization of correlated fermions in optical lattices with speckle disorder
    Phys. Rev. B 82, 235115 (2010). [abstract, arXiv:1009.3438]
  • 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). [abstract, arXiv:1007.5223]
  • 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]
  • 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, C. Danieli, and A. Cornia 
    Electric field controlled magnetic anisotropy in a single molecule
    Nano Lett. 10, 3307 (2010). [abstract, arXiv:1009.2027]
  • 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). [abstractarXiv:1004.4857]
  • 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]
  • 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]
  • I. Titvinidze, M. Snoek, and W. Hofstetter
    Resonant Superfluidity in an Optical Lattice
    New J. Phys. 12, 065030 (2010). [abstract, arXiv:0912.1589]
  • 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).[abstract, arXiv:1003.3188]
  • K. Byczuk, W. Hofstetter, U. Yu, and D. Vollhardt
    Correlated electrons in the presence of disorder
    Eur. Phys. J. Special Topics 180, 135 (2010). [abstract, arXiv:1003.2498]
  • 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]
  • 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]


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

  • A. Hubener, M. Snoek, and W. Hofstetter
    Magnetic phases of two-component ultracold bosons in an optical lattice
    Phys. Rev. B 80, 245109 (2009) [abstract , arXiv:0902.2212]

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

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

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

  • 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). [abstract, arXiv:0810.2958]

  • 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). [abstract, arXiv:0810.1733]

  • 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). [abstract, arXiv:0902.1076]

  • 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). [pdf]


  • 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). [abstract, arXiv:0802.3211]

  • 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). [abstract, arXiv:0707.2378]

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

  • 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). [abstract, arXiv:0705.3654]


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

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

  • 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. [abstract]

  • 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).
    [abstract, arXiv:cond-mat/0607772]

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

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


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

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

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

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

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

  • 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). [abstract, arXiv:cond-mat/0511664]

  • 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). [abstract]


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

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

  • 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). [abstract, arXiv:cond-mat/0501755]

  • 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).  [abstract, arXiv:cond-mat/0408478]

  • 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). [abstract, arXiv:cond-mat/0406312]

  • 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). [abstract, arXiv:cond-mat/0403765]

  • Carsten Honerkamp and Walter Hofstetter
    BCS pairing in Fermi systems with N different hyperfine states
    Phys. Rev. B 70, 094521 (2004). [abstract, arXiv:cond-mat/0403166]

  • 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). [abstract, arXiv:quant-ph/0401151]

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

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

  • 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). [abstract, arXiv:cond-mat/0306683]

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

  • Walter Hofstetter, Ian Affleck, David R. Nelson, and Ulrich Schollwoeck
    Non-Hermitian Luttinger Liquids and Vortex Physics
    EPL 66, 178 (2004). [abstract, arXiv:cond-mat/0305543]

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

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

  • 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). [abstract, arXiv:cond-mat/0204237]

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

  • Walter Hofstetter and Herbert Schoeller
    Quantum Phase Transition in a Multi-Level Dot
    Phys. Rev. Lett. 88, 016803 (2001). [abstract, arXiv:cond-mat/0108359]

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

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

  • 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).
    [abstract, arXiv:cond-mat/0104297]

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

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

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


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

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

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

  • W. Hofstetter and D. Vollhardt,
    Frustration of antiferromagnetism in the t-t'-Hubbard model at weak coupling,
    Ann. Physik 510, 48 (1998). [abstract, arXiv:cond-mat/9802233]

  • 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). [abstract, arXiv:cond-mat/9612180]

  • 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). [abstract, arXiv:cond-mat/9512137]