Publications

Refereed papers

• Chiral random matrix theory for two-color QCD at high density
  T. Kanazawa, T. Wettig, and N. Yamamoto
  arXiv:0912.4999
• Short-recurrence Krylov subspace methods for the overlap Dirac operator at nonzero chemical potential
  J. Bloch, T. Breu, A. Frommer, S. Heybrock, K. Schäfer, and T. Wettig
  arXiv:0910.1048
• Partially quenched chiral perturbation theory in the epsilon regime at next-to-leading order
  C. Lehner and T. Wettig
  JHEP 11 (2009) 005
• Chiral Lagrangian and spectral sum rules for dense two-color QCD
  T. Kanazawa, T. Wettig, and N. Yamamoto
  JHEP 08 (2009) 003
• Eigenvalue density of Wilson loops in 2D SU(N) YM
  R. Lohmayer, H. Neuberger, and T. Wettig
  JHEP 05 (2009) 107
• Topology and chiral random matrix theory at nonzero imaginary chemical potential
  C. Lehner, M. Ohtani, J.J.M. Verbaarschot, and T. Wettig
  Phys. Rev. D 79 (2009) 074016
• Random matrix analysis of the QCD sign problem for general topology
  J. Bloch and T. Wettig
  JHEP 03 (2009) 100
• Possible large-N transitions for complex Wilson loop matrices
  R. Lohmayer, H. Neuberger, and T. Wettig
  JHEP 11 (2008) 053
• QPACE: Quantum Chromodynamics Parallel Computing on the Cell Broadband Engine
  G. Goldrian et al.
  Computing in Science and Engineering 10 (2008) 46
• Polyakov loops and spectral properties of the staggered Dirac operator
  F. Bruckmann, S. Keppeler, M. Panero, and T. Wettig
  Phys. Rev. D 78 (2008) 034503
• Character expansion method for supergroups and extended superversions of the Leutwyler-Smilga and Berezin-Karpelevich integrals
  C. Lehner, T. Wettig, T. Guhr, and Y. Wei
  J. Math. Phys. 49 (2008) 063510
• Individual complex Dirac eigenvalue distributions from random matrix theory and lattice QCD at nonzero chemical potential
  G. Akemann, J. Bloch, L. Shifrin, and T. Wettig
  Phys. Rev. Lett. 100 (2008) 032002
• Domain-wall and overlap fermions at nonzero quark chemical potential
  J. Bloch and T. Wettig
  Phys. Rev. D 76 (2007) 114511
• An iterative method to compute the sign function of a non-Hermitian matrix and its application to the overlap Dirac operator at nonzero chemical potential
  J. Bloch, A. Frommer, B. Lang, and T. Wettig
  Comput. Phys. Comm. 177 (2007) 933
• Overlap Dirac operator at nonzero chemical potential and random matrix theory
  J. Bloch and T. Wettig
  Phys. Rev. Lett. 97 (2006) 012003
• Bosonic color-flavor transformation for the special unitary group
  Y. Wei and T. Wettig
  J. Math. Phys. 46 (2005) 072306
• Overview of the QCDSP and QCDOC computers
  P.A. Boyle, D. Chen, N.H. Christ, M.A. Clark, S.D. Cohen, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L.A. Levkova, X. Liao, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  IBM Journal of R&D 49 (2005) 351
• QCD Dirac operator at nonzero chemical potential: lattice data and matrix model
  G. Akemann and T. Wettig
  Phys. Rev. Lett. 92 (2004) 102002
• Generalizations of some integrals over the unitary group
  B. Schlittgen and T. Wettig
  J. Phys. A 36 (2003) 3195.
• Color-Flavor Transformation for the Special Unitary Group
  B. Schlittgen and T. Wettig
  Nucl. Phys. B 632 (2002) 155.
• Spectrum of the SU(3) Dirac operator on the lattice: Transition from random matrix theory to chiral perturbation theory
  M. Göckeler, H. Hehl, P.E.L. Rakow, A. Schäfer, and T. Wettig
  Phys. Rev. D 65 (2002) 034503.
• Calorons and localization of quark eigenvectors in lattice QCD
  M. Göckeler, P.E.L. Rakow, A. Schäfer, W. Söldner, and T. Wettig
  Phys. Rev. Lett. 87 (2001) 042001.
• Spectrum of the U(1) staggered Dirac operator in four dimensions
  B.A. Berg, H. Markum, R. Pullirsch, and T. Wettig
  Phys. Rev. D. 63 (2001) 014504.
• Fake symmetry transitions in lattice Dirac spectra
  M. Schnabel and T. Wettig
  Phys. Rev. D 62 (2000) 34501.
• Random matrix theory, chiral perturbation theory, and lattice data
  M.E. Berbenni-Bitsch, M. Göckeler, H. Hehl, S. Meyer, P.E.L. Rakow, A. Schäfer, and T. Wettig
  Phys. Lett. B 466 (1999) 293.
• Non-Hermitian Random Matrix Theory and Lattice QCD with Chemical Potential
  H. Markum, R. Pullirsch, and T. Wettig
  Phys. Rev. Lett. 83 (1999) 484.
• Random Matrix Theory and Chiral Logarithms
  M.E. Berbenni-Bitsch, M. Göckeler, H. Hehl, S. Meyer, P.E.L. Rakow, A. Schäfer, and T. Wettig
  hep-lat/9901013
• Spectral correlations of the massive QCD Dirac operator at finite temperature
  B. Seif, T. Wettig, and T. Guhr
  Nucl. Phys. B 548 (1999) 475.
• Small eigenvalues of the SU(3) Dirac operator on the lattice and in Random Matrix Theory
  M. Göckeler, H. Hehl, P.E.L. Rakow, A. Schäfer, and T. Wettig
  Phys. Rev. D 59 (1999) 094503.
• Crossover to non-universal microscopic spectral fluctuations in lattice gauge theory
  M.E. Berbenni-Bitsch, M. Göckeler, T. Guhr, A.D. Jackson, J.-Z. Ma, S. Meyer, A. Schäfer, H.A. Weidenmüller, T. Wettig, and T. Wilke
  Phys. Lett. B 438 (1998) 14.
• Smallest Dirac Eigenvalue Distribution from Random Matrix Theory
  S.M. Nishigaki, P.H. Damgaard, and T. Wettig
  Phys. Rev. D 58 (1998) 087704.
• Microscopic universality with dynamical fermions
  M.E. Berbenni-Bitsch, S. Meyer, and T. Wettig
  Phys. Rev. D 58 (1998) 071502.
• The microscopic spectrum of the QCD Dirac operator with finite quark masses
  T. Wilke, T. Guhr, and T. Wettig
  Phys. Rev. D 57 (1998) 6486.
• Evidence for quantum chaos in the plasma phase of QCD
  R. Pullirsch, K. Rabitsch, T. Wettig, and H. Markum
  Phys. Lett. B 427 (1998) 119.
• Statistical properties at the spectrum edge of the QCD Dirac operator
  J.-Z. Ma, T. Guhr, and T. Wettig
  Eur. Phys. J. A 2 (1998) 87, 425.
• Microscopic universality in the spectrum of the lattice Dirac operator
  M.E. Berbenni-Bitsch, S. Meyer, A. Schäfer, J.J.M. Verbaarschot, and T. Wettig
  Phys. Rev. Lett. 80 (1998) 1146.
• Universal spectral correlations of the Dirac operator at finite temperature
  T. Guhr and T. Wettig
  Nucl. Phys. B 506 (1997) 589.
• An Itzykson-Zuber-like integral and diffusion for complex ordinary and supermatrices
  T. Guhr and T. Wettig
  J. Math. Phys. 37 (1996) 6395.
• The chiral phase transition in a random matrix model with molecular correlations
  T. Wettig, A. Schäfer, and H.A. Weidenmüller
  Phys. Lett. B 367 (1996) 28.
• Interaction-induced delocalization of two particles in a random potential: Scaling properties
  F. von Oppen, T. Wettig, and J. Müller
  Phys. Rev. Lett. 76 (1996) 491.
• Interaction-induced delocalization of quasiparticle pairs in the Anderson insulator
  F. von Oppen and T. Wettig
  Europhys. Lett. 32 (1995) 741.
• The evolution of relativistic binary pulsars
  T. Wettig and G.E. Brown
  New Astronomy 1 (1996) 17.
  Check out the movie!
• Diagrammatic Derivation of Bose Condensate Fractions
  T. Wettig and Andy Jackson
  Phys. Rev. B 53 (1996) 818.
• Criticality in simple models of evolution
  J. de Boer, A.D. Jackson, and T. Wettig
  Phys. Rev. E 51 (1995) 1059.
• A simple model of self-organized biological evolution
  J. de Boer, B. Derrida, H. Flyvbjerg, A.D. Jackson, and T. Wettig
  Phys. Rev. Lett. 73 (1994) 906.
• Factorial moments in a generalized lattice gas model
  T. Wettig and A.D. Jackson
  Phys. Rev. D 49 (1994) 157.
• High-Energy Multiparticle Distributions and a Generalized Lattice Gas Model
  A.D. Jackson, T. Wettig, and N.L. Balazs
  hep-ph/9307306.
• Necessary conditions for microscopic many-body theories
  A.D. Jackson and T. Wettig
  Phys. Rep. 237 (1994) 325.

Invited review articles

• Performance of machines for lattice QCD simulations
  T. Wettig
  PoS (LAT2005) 019
• Random matrix theory and chiral symmetry in QCD
  J.J.M. Verbaarschot and T. Wettig
  Annu. Rev. Nucl. Part. Sci. 50 (2000) 343
• Random Matrices
  M.A. Stephanov, J.J.M. Verbaarschot, and T. Wettig
  in "Wiley Encyclopedia of Electrical and Electronics Engineering" (2000)

Conference proceedings

• QPACE - a QCD parallel computer based on Cell processors
  H. Baier et al.
  PoS (LAT2009) 001
• Krylov subspace methods and the sign function: multishifts and deflation in the non-Hermitian case
  Jacques Bloch, Tobias Breu, Andreas Frommer, Simon Heybrock, Katrin Schäfer, and Tilo Wettig
  PoS (LAT2009) 043
• Chiral Lagrangian and spectral sum rules for two-color QCD at high density
  Takuya Kanazawa, Tilo Wettig, and Naoki Yamamoto
  PoS (LAT2009) 195
• Infinite-N limit of the eigenvalue density of Wilson loops in 2D SU(N) YM
  Robert Lohmayer, Herbert Neuberger, and Tilo Wettig
  PoS (LAT2009) 220
• Finite-volume corrections to low-energy constants from the partially quenched effective theory
  Christoph Lehner and Tilo Wettig
  PoS (LAT2009) 073
• Random matrix analysis of the QCD sign problem
  Jacques Bloch and Tilo Wettig
  PoS (LAT2009) 186
• Wilson loops at finite N in 2D
  Robert Lohmayer, Herbert Neuberger, and Tilo Wettig
  PoS (LAT2009) 213
• Comparing iterative methods to compute the overlap Dirac operator at nonzero chemical potential
  Jacques Bloch, Tobias Breu, and Tilo Wettig
  PoS (LAT2008) 027
• Status of the QPACE Project
  H. Baier at al.
  PoS (LAT2008) 039
• Large-N phase transitions in the spectrum of products of complex matrices
  Robert Lohmayer, Herbert Neuberger, and Tilo Wettig
  PoS (LAT2008) 237
• Topological susceptibility at finite temperature in a random matrix model
  Munehisa Ohtani, Christoph Lehner, Tilo Wettig, Tetsuo Hatsuda
  Mod. Phys. Lett. A23 (2008) 2465
• Polyakov loops and SU(2) staggered Dirac spectra
  Falk Bruckmann, Stefan Keppeler, Marco Panero, and Tilo Wettig
  PoS (LAT2007) 274
• QCD on the Cell Broadband Engine
  F. Belletti, G. Bilardi, M. Drochner, N. Eicker, Z. Fodor, D. Hierl, H. Kaldass, T. Lippert, T. Maurer, N. Meyer, A. Nobile, D. Pleiter, A. Schaefer, F. Schifano, H. Simma, S. Solbrig, T. Streuer, R. Tripiccione, and T. Wettig
  PoS (LAT2007) 039
• An iterative method to compute the overlap Dirac operator at nonzero chemical potential
  Jacques Bloch, Andreas Frommer, Bruno Lang, and Tilo Wettig
  PoS (LAT2007) 169
• Distributions of individual Dirac eigenvalues for QCD at non-zero chemical potential
  G. Akemann, J. Bloch, L. Shifrin, and T. Wettig
  PoS (LAT2007) 224
• Nonzero chemical potential in the overlap Dirac operator and comparison to random matrix theory
  J. Bloch and T. Wettig
  PoS (LAT2006) 206
• QCDOC: project status and first results
  P.A. Boyle, D. Chen, N.H. Christ, M. Clark, S.D. Cohen, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  J. Phys.: Conf. Ser. 16 (2005) 129
• Dirac eigenvalue correlations in quenched QCD at finite density
  J.C. Osborn and T. Wettig
  PoS (LAT2005) 200
• Numerical results for normal modes in lattice QCD
  W. Söldner and T. Wettig
  PoS (LAT2005) 259
• Matrix models and lattice simulations for QCD at nonzero density
  T. Wettig
  RIKEN Accel. Prog. Rep. 38 (2005)
• The QCDOC project
  P.A. Boyle et al.
  Nucl. Phys. B (Proc. Suppl.) 140 (2005) 169
• The status of user software on QCDOC
  P.A. Boyle et al.
  Nucl. Phys. B (Proc. Suppl.) 140 (2005) 829
• QCDOC: A 10 Teraflops computer for tightly coupled calculations
  P.A. Boyle, D. Chen, N.H. Christ, M. Clark, S.D. Cohen, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  Proceedings of Supercomputing 2004
• Comparison of matrix model and lattice data for the QCD Dirac operator at nonzero chemical potential
  G. Akemann and T. Wettig
  RIKEN Accel. Prog. Rep. 37 (2004)
• Status of the QCDOC computer project
  P.A. Boyle, D. Chen, N.H. Christ, M. Clark, S.D. Cohen, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  RIKEN Accel. Prog. Rep. 37 (2004)
• Benchmarking computer platforms for lattice QCD applications
  M. Hasenbusch, K. Jansen, D. Pleiter, H. Stüben, P. Wegner, T. Wettig, and H. Wittig
  Nucl. Phys. B (Proc. Suppl.) 129 (2004) 847
• Hardware and software status of QCDOC
  P.A. Boyle, D. Chen, N.H. Christ, M. Clark, S.D. Cohen, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  Nucl. Phys. B (Proc. Suppl.) 129 (2004) 838
• Comparing matrix models and QCD lattice data with chemical potential
  G. Akemann and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 129 (2004) 529
• The QCDOC supercomputer: hardware, software, and performance
  P.A. Boyle, C. Jung, and T. Wettig
  hep-lat/0306023, in Proceedings of CHEP03 (San Diego), eConf C0303241:THIT001-003 (2003)
• Matrix model correlation functions and lattice data for the QCD Dirac operator with chemical potential
  G. Akemann and T. Wettig
  hep-lat/0301017, in Proceedings of SEWM 2002 (Heidelberg)
• Color-flavor transformation and application to lattice QCD
  B. Schlittgen and T. Wettig
  RIKEN Accel. Prog. Rep. 36 (2003)
• The Color-Flavor Transformation and Lattice QCD
  B. Schlittgen and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 119 (2003) 956
• Status of and performance estimates for QCDOC
  P.A. Boyle, D. Chen, N.H. Christ, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Jung, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, K. Petrov, T. Wettig, and A. Yamaguchi
  Nucl. Phys. B (Proc. Suppl.) 119 (2003) 1041
• Calorons and localization of Dirac eigenvectors in lattice QCD
  T. Wettig
  RIKEN Accel. Prog. Rep. 35 (2002)
• Lattice QCD at finite temperature: Evidence for calorons from the eigenvectors of the Dirac operator
  C. Gattringer, M. Göckeler, P.E.L. Rakow, A. Schäfer, W. Söldner, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 106 (2002) 492
• Status of the QCDOC project
  P.A. Boyle, D. Chen, N.H. Christ, C. Cristian, Z. Dong, A. Gara, B. Joo, C. Kim, L. Levkova, X. Liao, G. Liu, R.D. Mawhinney, S. Ohta, T. Wettig, and A. Yamaguchi
  Nucl. Phys. B (Proc. Suppl.) 106 (2002) 177
• The spectrum of the QCD Dirac operator
  T. Wettig
  RIKEN Accel. Prog. Rep. 34 (2001) 282
• QCDOC supercomputer for lattice QCD
  D. Chen, N.H. Christ, Z. Dong, A. Gara, K. Garg, B. Joo, C. Kim, L. Levkova, X. Liao, R.D. Mawhinney, S. Ohta, T. Wettig, and A. Yamaguchi
  RIKEN Accel. Prog. Rep. 34 (2001) 278
• QCDOC: A 10-Teraflops scale computer for lattice QCD
  D. Chen, N.H. Christ, C. Cristian, Z. Dong, A. Gara, K. Garg, B. Joo, C. Kim, L. Levkova, X. Liao, R.D. Mawhinney, S. Ohta, and T. Wettig
  Nucl. Phys. B (Proc. Supp.) 94 (2001) 825
• Dirac eigenvalues and eigenvectors at finite temperature
  M. Göckeler, H. Hehl, P.E.L. Rakow, A. Schäfer, W. Söldner, and T. Wettig
  Nucl. Phys. B (Proc. Supp.) 94 (2001) 402
• Random matrix heory and chiral condensate for QED
  B.A. Berg, H. Markum, R. Pullirsch, and T. Wettig
  Proceedings of the Fourth International Conference on Quark Confinement and the Hadron Spectrum, Vienna, July 2000, eds. W. Lucha and K. Maung Maung, p. 365 (World Scientific, 2002)
• Universality and chaos in quantum field theories
  B.A. Berg, E. Bittner, M.-P. Lombardo, H. Markum, R. Pullirsch, and T. Wettig
  Proceedings of "Confinement 2000", Osaka, March 2000, eds. H. Suganuma, M. Fukushima, and H. Toki, p. 234 (World Scientific, 2001)
• Random Matrix Theory and Dirac Spectrum at Nonzero Temperature and Density
  B.A. Berg, H. Markum, R. Pullirsch, and T. Wettig
  Proceedings of "Lattice Fermions and Structure of the Vacuum", eds. V. Mitrjushkin and G. Schierholz, p. 357 (Kluwer, Dordrecht, 2000)
• Beyond the Thouless energy
  M.E. Berbenni-Bitsch, M. Göckeler, H. Hehl, S. Meyer, P.E.L. Rakow, A. Schäfer, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 83 (2000) 974.
• U(1) staggered Dirac operator and random matrix theory
  B.A. Berg, H. Markum, R. Pullirsch, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 83 (2000) 917.
• QCD and random matrices
  T. Wettig
  Proceedings of the International Workshop on the ``Dynamics of Complex Systems'', Physica E 9 (2001) 443
• Predictions of chiral random matrix theory and lattice QCD results
  T. Wettig
  Proceedings of "Understanding deconfinement in QCD", Trento, March 1999, eds. D. Blaschke, F. Karsch, and C.D. Roberts, p. 119 (World Scientific, 2000)
• Spectral fluctuation properties of the non-hermitian Dirac operator
  H. Markum, R. Pullirsch, and T. Wettig
  Proceedings of "Understanding deconfinement in QCD", Trento, March 1999, eds. D. Blaschke, F. Karsch, and C.D. Roberts, p. 132 (World Scientific, 2000)
• Universal and non-universal behavior in Dirac spectra
  M.E. Berbenni-Bitsch, M. Göckeler, S. Meyer, A. Schäfer, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 73 (1999) 605.
• Quantum chaos and QCD at finite chemical potential
  R. Pullirsch, K. Rabitsch, H. Markum, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 73 (1999) 486.
• Fluctuation properties of the Dirac spectrum at finite temperature and density
  R. Pullirsch, K. Rabitsch, H. Markum, and T. Wettig
  Nucl. Phys. A 642 (1998) 330c.
• Quantum chaos in the quark matrix at finite temperature
  H. Markum, R. Pullirsch, K. Rabitsch, and T. Wettig
  Proceedings of 31st International Ahrenshoop Symposium "Theory of Elementary Particles", Buckow, 1997, p. 310.
• Random-matrix universality in the small-eigenvalue spectrum of the lattice Dirac operator
  M.E. Berbenni-Bitsch, A.D. Jackson, S. Meyer, A. Schäfer, J.J.M. Verbaarschot, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 63A-C (1998) 820.
• Quantum chaos in QCD at finite temperature
  H. Markum, R. Pullirsch, K. Rabitsch, and T. Wettig
  Nucl. Phys. B (Proc. Suppl.) 63A-C (1998) 832.
• The chiral phase transition, random matrix models, and lattice data
  T. Wettig, T. Guhr, A. Schäfer, and H.A. Weidenmüller
  Proceedings of "Hirschegg '97: QCD phase transitions", eds. H. Feldmeier, J. Knoll, W. Nörenberg, and J. Wambach, p. 69 (GSI, Darmstadt, 1997).
• The chiral phase transition and random matrix models
  T. Wettig, A. Schäfer, and H.A. Weidenmüller
  Nucl. Phys. A 610 (1996) C492.
• Interacting particle and quasiparticle pairs in a random potential
  F. von Oppen and T. Wettig
  Proc. of XXXI Rencontres de Moriond (1996), eds. T. Martin, G. Montambaux, and J. Trân Thanh Vân, p. 235.

PhD and Habilitation thesis

• Condensate fractions of strongly interacting Bose systems
  State University of New York at Stony Brook, 1994. Microfilm at University of Michigan, Catalog No. 95-10257.
• Applications of random-matrix theory in QCD
  Universität Heidelberg, 1998.

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