Gert Aarts

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List of Publications


Articles
  1. The Complex Langevin method: When can it be trusted? (with Erhard Seiler and Ion-Olimpiu Stamatescu), pdf [arXiv:0912.3360 [hep-lat]].
  2. Adaptive stepsize and instabilities in complex Langevin dynamics (with Frank James, Erhard Seiler and Ion-Olimpiu Stamatescu), pdf [arXiv:0912.0617 [hep-lat]].
  3. Complex Langevin dynamics at finite chemical potential: mean field analysis in the relativistic Bose gas, JHEP 05 (2009) 052 (pdf) [arXiv:0902.4686 [hep-lat]].
  4. Can stochastic quantization evade the sign problem? The relativistic Bose gas at finite chemical potential, Phys. Rev. Lett. 102 (2009) 131601 (pdf) [arXiv:0810.2089 [hep-lat]].
  5. Effective convergence of the 2PI-1/N expansion for nonequilibrium quantum fields (with Nathan Laurie and Anders Tranberg), Phys. Rev. D 78 (2008) 125028 (pdf) [arXiv:0809.3390 [hep-ph]].
  6. Stochastic quantization at finite chemical potential (with Ion-Olimpiu Stamatescu), JHEP 09 (2008) 018 (pdfs, pdfl) [arXiv:0807.1597 [hep-lat]].
  7. Thermal effects on slow-roll dynamics (with Anders Tranberg), Phys. Rev. D 77 (2008) 123521 (pdf) [arXiv:0712.1120 [hep-ph]].
  8. Charmonium at high temperature in two-flavor QCD (with Chris Allton, Mehmet Bugrahan Oktay, Mike Peardon and Jon-Ivar Skullerud), Phys. Rev. D 76 (2007) 094513 (pdf) [arXiv:0705.2198 [hep-lat]].
  9. Spectral functions at small energies and the electrical conductivity in hot, quenched lattice QCD (with Chris Allton, Justin Foley, Simon Hands and Seyong Kim), Phys. Rev. Lett. 99 (2007) 022002 (pdf) [hep-lat/0703008].
  10. Particle creation and warm inflation (with Anders Tranberg), Phys. Lett. B 650 (2007) 65-71 (pdf) [hep-ph/0701205].
  11. Meson spectral functions with chirally symmetric lattice fermions (with Justin Foley), JHEP 02 (2007) 062 (pdf) [hep-lat/0612007].
  12. Nonequilibrium dynamics in the O(N) model to next-to-next-to-leading order in the 1/N expansion (with Anders Tranberg), Phys. Rev. D 74 (2006) 025004 (pdf) [hep-th/0604156].
  13. Continuum and lattice meson spectral functions at nonzero momentum and high temperature (with Jose M. Martínez Resco), Nucl. Phys. B726 (2005) 93-108 (pdf) [hep-lat/0507004].
  14. Transport coefficients in large N_f gauge theories with massive fermions (with Jose M. Martínez Resco), JHEP 03 (2005) 074 (pdf) [hep-ph/0503161].
  15. Shear viscosity in the O(N) model (with Jose M. Martínez Resco), JHEP 02 (2004) 061 (pdf) [hep-ph/0402192].
  16. Transport coefficients from the 2PI effective action (with Jose M. Martínez Resco), Phys. Rev. D 68 (2003) 085009 (pdf) [hep-ph/0303216].
  17. Ward identity and electrical conductivity in hot QED (with Jose M. Martínez Resco), JHEP 11 (2002) 022 (pdf) [hep-ph/0209048].
  18. Transport coefficients, spectral functions and the lattice (with Jose M. Martínez Resco), JHEP 04 (2002) 053 (pdf) [hep-ph/0203177].
  19. Far-from-equilibrium dynamics with broken symmetries from the 2PI-1/N expansion (with Daria Ahrensmeier, Rudolf Baier, Jürgen Berges and Julien Serreau), Phys. Rev. D 66 (2002) 045008 (pdf) [hep-ph/0201308].
  20. Spectral function at high temperature in the classical approximation, Phys. Lett. B 518 (2001) 315-322 (pdf) [hep-ph/0108125].
  21. Classical aspects of quantum fields far from equilibrium (with Jürgen Berges), Phys. Rev. Lett. 88 (2002) 041603 (pdf) [hep-ph/0107129].
  22. Nonequilibrium time evolution of the spectral function in quantum field theory (with Jürgen Berges), Phys. Rev. D 64 (2001) 105010 (pdf) [hep-ph/0103049].
  23. Exact and truncated dynamics in nonequilibrium field theory (with Gian Franco Bonini and Christof Wetterich), Phys. Rev. D 63 (2001) 25012 (pdf) [hep-ph/0007357].
  24. On thermalization in classical scalar field theory (with Gian Franco Bonini and Christof Wetterich), Nucl. Phys. B587 (2000) 403-418 (pdf) [hep-ph/0003262].
  25. Divergences in real-time classical field theories at nonzero temperature (with Bert-Jan Nauta and Chris G. van Weert), Phys. Rev. D 61 (2000) 105002 (pdf) [hep-ph/9911463].
  26. Particle production and effective thermalization in inhomogeneous mean field theory (with Jan Smit), Phys. Rev. D 61 (2000) 025002 (pdf) [hep-ph/9906538].
  27. Real-time dynamics with fermions on a lattice (with Jan Smit), Nucl. Phys. B555 (1999) 355-394 (pdf) [hep-ph/9812413].
  28. Classical approximation for time dependent quantum field theory: diagrammatic analysis for hot scalar fields (with Jan Smit), Nucl. Phys. B511 (1998) 451-478 (pdf) [hep-ph/9707342].
  29. Finiteness of hot classical scalar field theory and the plasmon damping rate (with Jan Smit), Phys. Lett. B 393 (1997) 395-402 (pdf) [hep-ph/9610415].

Proceedings
  1. Can complex Langevin dynamics evade the sign problem? in Lattice 2009, Beijing, China, 26-31 July (2009) PoS(LATTICE 2009) 024 (pdf) [arXiv:0910.3772 [hep-lat]].
  2. Two complex problems on the lattice: transport coefficients and finite chemical potential, in Strong and Electroweak Matter (SEWM2008), Amsterdam, the Netherlands (2008), Nucl. Phys. A820 (2009) 57C-64C (pdf) [arXiv:0811.1850 [hep-ph]].
  3. Stochastic quantization at nonzero chemical potential (with Ion-Olimpiu Stamatescu) in Lattice 2008, Williamsburg, VA, USA (2008), PoS(LATTICE 2008) 176 (pdf) [arXiv:0809.5227 [hep-lat]].
  4. Spectral functions and transport in high temperature QCD, in New Frontiers in QCD 2008: Fundamental Problems in Hot and/or Dense Matter, Progr. Theor. Phys. Suppl. 174 (2008) 198-205 (pdf).
  5. Charmonium properties in the quark-gluon plasma (with Chris Allton, Bugra Oktay, Mike Peardon and Jon-Ivar Skullerud), in Lattice 2007, Regensburg, Germany (2007), PoS(LATTICE 2007) 227 (pdf) [arXiv:0710.2795 [hep-lat]].
  6. Transport and spectral functions in high temperature QCD, in Lattice 2007, Regensburg, Germany (2007), PoS(LATTICE 2007) 001 (pdf) [arXiv:0710.0739 [hep-lat]].
  7. Charmonium spectral functions in N_f=2 QCD at high temperature (with Chris Allton, Richie Morrin, Alan O'Cais, Bugra Oktay, Mike Peardon and Jon-Ivar Skullerud), in Lattice 2006, Tucson, Arizona, USA (2006), PoS(LAT2006) 126 (pdf) [hep-lat/0610065].
  8. Spectral functions at non-zero momentum in hot QCD (with Chris Allton, Justin Foley, Simon Hands and Seyong Kim), in Lattice 2006, Tucson, Arizona, USA (2006), PoS(LAT2006) 134 (pdf) [hep-lat/0610061].
  9. Charmonium spectral functions in two-flavour QCD (with Chris Allton, Richie Morrin, Alan O'Cais, Bugra Oktay, Mike Peardon and Jon-Ivar Skullerud), at Strong and Electroweak Matter (SEWM2006), Brookhaven National Laboratory, United States (2006), Nucl. Phys. A785 (2007) 198-201 (pdf) [hep-lat/0608009].
  10. Meson spectral functions at nonzero momentum in hot QCD (with Chris Allton, Justin Foley, Simon Hands and Seyong Kim), at Strong and Electroweak Matter (SEWM2006), Brookhaven National Laboratory, United States (2006), Nucl. Phys. A785 (2007) 202-205 (pdf) [hep-lat/0607012].
  11. Mesons at high temperature in Nf=2 QCD (with Chris Allton, Richie Morrin, Alan O'Cais, Bugra Oktay, Mike Peardon and Jon-Ivar Skullerud), in Computational Hadron Physics, Cyprus (2005), Nucl. Phys. Proc. Suppl. 153 (2006) 296-299 (pdf) [hep-lat/0511028].
  12. Charmonium from anisotropic lattices in Nf=2 QCD (with Chris Allton, Richie Morrin, Alan O'Cais, Bugra Oktay, Mike Peardon and Jon-Ivar Skullerud), in Extreme QCD, Swansea, United Kingdom (2005) (ps).
  13. Transport coefficients from the 2PI effective action: weak coupling and large N analysis (with Jose M. Martínez Resco), in Progress in Nonequilibrium Green's Functions III, Kiel, Germany (2005), Journal of Physics: Conf. Series 35 (2006) 414-419 (pdf).
  14. Charmonium spectral functions in Nf=2 QCD (with Richie Morrin, Alan O'Cais, Bugra Oktay, Mike Peardon, Jon-Ivar Skullerud and Chris Allton), in Lattice 2005, Dublin, Ireland (2005), PoS(LAT2005) 176 (ps) [hep-lat/0509115].
  15. On meson spectral functions at high temperature and nonzero momentum (with Simon Hands, Seyong Kim and Jose M. Martínez Resco), in Lattice 2005, Dublin, Ireland (2005), PoS(LAT2005) 182 (ps) [hep-lat/0509062].
  16. Transport coefficients and the 2PI effective action in the large N limit (with Jose M. Martínez Resco), in Strong and Electroweak Matter (SEWM 2004), Helsinki, Finland (2004), pp. 231-240 (World Scientific) and Workshop on QCD in Extreme Environments, Argonne National Laboratory, USA (ps) [hep-ph/0409090].
  17. Quasi-fixed points in nonequilibrium field theory, in The Monte Carlo Method in the Physical Sciences: Celebrating the 50th Anniversary of the Metropolis Algorithm, Los Alamos, USA (2003), AIP Conf. Proc. 690, pp. 367-368.
  18. Transport coefficients and quantum fields (with Jose M. Martínez Resco), in Strong and Electroweak Matter (SEWM 2002), Heidelberg, Germany (2002), pp. 96-110 (World Scientific) (ps) [hep-ph/0212268].
  19. Transport coefficients from the lattice? (with Jose M. Martínez Resco), in Lattice 2002, MIT, Cambridge, MA, USA (2002), Nucl. Phys. Proc. Suppl. 119 (2003) 505-507 (pdf) [hep-lat/0209033].
  20. 1/M correction to quenched QCD with nonzero baryon density (with Olaf Kaczmarek, Frithjof Karsch and Ion-Olimpiu Stamatescu), in Lattice 2001, Berlin, Germany (2001), Nucl. Phys. Proc. Suppl. 106 (2002) 456-458 (ps) [hep-lat/0110145].
  21. Spectral function at high temperature, in Lattice 2001, Berlin, Germany (2001), Nucl. Phys. Proc. Suppl. 106 (2002) 534-536 (ps) [hep-lat/0109024].
  22. Nonequilibrium fields: exact and truncated dynamics, in Strong and Electroweak Matter (SEWM2000), Marseille, France (2000) pp. 241-246 (World Scientific) (ps) [hep-ph/0009026].
  23. Real-time dynamics in the 1+1 D abelian Higgs model with fermions (with Jan Smit), in Lattice '99 , Pisa, Italy (1999), Nucl. Phys. Proc. Suppl. 83-84 (2000) 586-588 (ps) [hep-lat/9909040].
  24. Dynamics of fermions and inhomogeneous Bose fields on a real-time lattice (with Jan Smit), in Strong and Electroweak Matter `98 (SEWM 98), Kopenhagen, Denmark (1998), pp. 168-172 (World Scientific) (ps) [hep-ph/9902231].
  25. Nonequilibrium dynamics with fermions on a lattice in space and time (with Jan Smit), in 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany (1998) (ps) [hep-ph/9809340].
  26. The classical approximation for real-time scalar field theory at finite temperature, in 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany (1998) (ps) [hep-ph/9809339].
  27. Renormalizability of hot classical field theory, in Eotvos Conference in Science: Strong and Electroweak Matter (SEWM 97), Eger, Hungary (1997), pp. 267-271 (World Scientific) (ps) [hep-ph/9707440].

Workshops and Symposia organized
    • Sign Problems and Complex Actions, with Shailesh Chandrasekharan, ECT*, Trento, Italy, 2-6 Mar 2009.
    • A Passion for Fields and Lattices: a day in honour of Prof. Jan Smit, with Pierre van Baal, Sander Bais, Maarten Golterman, Justus Koch, Chris Korthals Altes, Renate Loll and Marieke Postma, University of Amsterdam, the Netherlands, 25 Aug 2008.
    • Extreme QCD, with Chris Allton, Simon Dalley, Simon Hands, Seyong Kim and Graham Shore, University of Wales Swansea, 2-5 Aug 2005.

Talks and other Contributions
  1. QCD at finite chemical potential: stochastic quantization and the sign problem, seminar at the Theoretical Physics Group, Imperial College, London, United Kingdom, 9 Mar 2010.
  2. Finite density with complex Langevin, invited talk at Strong interactions in the 21st century, Tata Institute of Fundamental Research, Mumbai, India, 10-12 Feb 2010.
  3. Recent successes and problems of complex Langevin dynamics, invited talk (2 hours) at Molecule workshop QCD at finite chemical potential, associated with New Frontiers in QCD 2010, Yukawa Institute for Theoretical Physics, Kyoto, Japan, 10-23 Jan 2010.
  4. QCD at finite chemical potential: stochastic quantization and the sign problem, seminar at the Theoretical Physics Group, University of Manchester, Manchester, United Kingdom, 18 Nov 2009.
  5. Can complex Langevin dynamics evade the sign problem? talk at Lattice 2009, Beijing, China, 26-31 July 2009.
  6. QCD at finite chemical potential: stochastic quantization and the sign problem, seminar at DAMTP, University of Cambridge, United Kingdom, 13 May 2009.
  7. Simulations at finite chemical potential and the sign problem, seminar at the Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany, 20 Apr 2009.
  8. Nonperturbative simulations at finite chemical potential, invited talk at Renormalisation + Resummation, Budapest, Hungary, 2-5 Apr 2009.
  9. Stochastic quantization at finite chemical potential: Sign and silver blaze problems, invited talk at Sign Problems and Complex Actions, ECT*, Trento, Italy, 2-6 Mar 2009.
  10. QCD at finite chemical potential: stochastic quantization and complex Langevin dynamics, seminar at Swansea University, Swansea, United Kingdom, 18 Feb 2009.
  11. The sign problem and stochastic quantization, invited talk at the Delta meeting, Institut für Theoretische Physik, Universität Heidelberg, Heidelberg, Germany, 30-31 Jan 2009.
  12. QCD at finite chemical potential: stochastic quantization and complex Langevin dynamics, seminar at the Institut für Theoretische Physik, Goethe Universität, Frankfurt, Germany, 28 Jan 2009.
  13. Can stochastic quantization evade the sign problem?, invited talk at Tools for finite density QCD, Bielefeld, Germany, 19-21 Nov 2008.
  14. Two complex problems on the lattice: transport coefficients and finite chemical potential, invited talk at Strong and ElectroWeak Matter (SEWM2008), Amsterdam, the Netherlands, 26-29 Aug 2008.
  15. Moving forward: one step at a time, invited talk at Passion for Fields and Lattices: a day in honour of Prof. Jan Smit, Amsterdam, the Netherlands, 25 Aug 2008.
  16. Stochastic quantization at finite chemical potential, invited talk at Extreme QCD, Raleigh, NC, USA, 21-23 Jul 2008.
  17. Stochastic quantization at finite chemical potential, talk at Lattice 2008, Williamsburg, VA, USA, 14-19 Jul 2008.
  18. Stochastic quantization at finite chemical potential, invited talk at Midsummer Madness! workshop on hot and dense QCD, Oulu, Finland, 26-28 Jun 2008.
  19. Transport and spectral functions in high temperature QCD, invited talk at New Frontiers in QCD 2008: Fundamental Problems in Hot and/or Dense Matter, Yukawa Institute for Theoretical Physics, Kyoto, Japan, 24 Feb-22 Mar 2008.
  20. Transport and spectral functions in high temperature QCD, seminar at the Particle Theory Group, Washington University, St. Louis, MO, USA, 25 Jan 2008.
  21. Transport from numerical simulations, invited talk at Nonequilibrium Dynamics in Particle Physics and Cosmology, KITP, Santa Barbara, CA, USA, 14 Jan-8 Feb 2008 (online talk).
  22. Introduction to nonequilibrium 2PI effective action techniques, invited talk at Nonequilibrium Dynamics in Particle Physics and Cosmology, KITP, Santa Barbara, CA, USA, 14 Jan-8 Feb 2008 (online talk).
  23. Nonequilibrium quantum fields, seminar at the Applied Mathematics Group, Newcastle University, Newcastle upon Tyne, United Kingdom, 23 Nov 2007.
  24. Transport and spectral functions in high temperature QCD, seminar at the Particle Physics Theory Group, University of Edinburgh, Edinburgh, United Kingdom, 7 Nov 2007.
  25. Transport and spectral functions in high temperature QCD, seminar at the Particle Theory Group, Swansea University, Swansea, United Kingdom, 30 Oct 2007.
  26. Quarkonium correlators on the lattice, invited plenary talk at 5th International Workshop on Heavy Quarkonium, DESY, Hamburg, Germany, 17-20 Oct 2007.
  27. Transport and spectral functions in high temperature QCD, talk at Exploring QCD: Deconfinement, Extreme Environments and Holography, in association with the programme Strong Fields, Integrability and Strings, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom, 20-24 Aug 2007.
  28. Transport and spectral functions in high temperature QCD, invited plenary talk at Lattice 2007, University of Regensburg, Regensburg, Germany, 30 Jul-4 Aug 2007.
  29. Nonequilibrium dynamics, invited review lectures (2 hours) at the Ruperto Carola Symposion: Ultracold Quantum Gases, International Science Forum, Heidelberg, Germany, 18-20 Jul 2007.
  30. Transport and spectral functions in high temperature QCD, seminar at TRIUMF, Vancouver, Canada, 28 May 2007.
  31. Transport and spectral functions in high temperature QCD, invited talk at Exotic States of Hot and Dense Matter and their Dual Description, Perimeter Institute, Waterloo, Canada, 22-25 May 2007.
  32. Transport and spectral functions in high temperature QCD, seminar at the Instituut Lorentz, Leiden University, Leiden, the Netherlands, 25 Apr 2007.
  33. Transport and spectral functions in high temperature QCD, seminar at the Theoretical Physics Group, University of Liverpool, Liverpool, United Kingdom, 14 Mar 2007.
  34. Spectral functions in high temperature QCD, seminar at the Particle Physics Theory Group, University of Glasgow, Glasgow, United Kingdom, 29 Nov 2006.
  35. Spectral functions in high temperature QCD, invited talk at QCD on Teraflops Computer, Center for Interdisciplinary Research (ZiF), Bielefeld, Germany, 11-13 Oct 2006.
  36. Expansion versus interaction: boost-invariant dynamics from the 2PI effective action, invited talk at INT Workshop on Non-Equilibrium Quark-Gluon Plasma, Institute for Nuclear Theory, Seattle, WA, USA, 25-29 Sept 2006.
  37. Classical and quantum fields out of equilibrium and the 2PI effective action, invited talk at Classical field theory & Solitons, CMS, University of Cambridge, Cambridge, United Kingdom, 3-6 Jul 2006.
  38. Dynamics in the QGP: transport, meson correlators and spectral functions, seminar at the Particle Theory Group, Swansea University, Swansea, United Kingdom, 30 May 2006.
  39. Dynamics in the QGP: transport, meson correlators and spectral functions, seminar at the Theoretical Physics Group, Imperial College, London, United Kingdom, 23 May 2006.
  40. Meson spectral functions at nonzero momentum, talk at Strong and Electroweak Matter (SEWM2006), Brookhaven National Laboratory, Upton, NY, United States, 10-13 May 2006.
  41. Dynamics in the QGP: transport, meson correlators and spectral functions, seminar at the Ohio State University, Columbus, OH, USA, 8 May 2006.
  42. Quantum field theory out of equilibrium, invited lectures (10 hours) at the ECT* Doctoral Training Programme: Computational techniques in strongly interacting systems, ECT*, Trento, Italy, 24-28 Apr 2006.
  43. Dynamics in the QGP: transport, meson correlators and spectral functions, invited talk at QCD at Finite Density, ECT*, Trento, Italy, 21-25 Mar 2006.
  44. Meson correlators at nonzero momentum in high-temperature QCD, talk at the UKQCD Collaboration Annual Programme Review & Planning Meeting, National e-Science Centre, Edinburgh, United Kingdom, 23-24 Jan 2006.
  45. Transport coefficients, spectral functions and all that, Teilchen-Tee seminar at the Institute for Theoretical Physics, University of Heidelberg, Germany, 1 Dec 2005.
  46. Transport coefficients, spectral functions and all that, seminar at the Particle Theory Group, University of Oxford, Oxford, United Kingdom, 27 Oct 2005.
  47. Transport coefficients from the 2PI effective action: weak coupling and large N analysis, poster at Progress in Nonequilibrium Green's Functions III , University Kiel, Germany, 22-26 Aug 2005.
  48. On meson spectral functions at high temperature and nonzero momentum, talk at Lattice 2005, School of Mathematics, Trinity College, Dublin, Ireland, 25-30 Jul 2005.
  49. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at the School of Mathematics, Trinity College, Dublin, Ireland, 6 Apr 2005.
  50. Spectral functions in classical field theory, invited talk at the Classical Lattice Field Theory Meeting, University of Manchester, Manchester, United Kingdom, 21-22 Mar 2005.
  51. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at the Particle Physics Theory Group, University of Edinburgh, Edinburgh, United Kingdom, 18 Mar 2005.
  52. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at the Theoretical Physics Group, University of Manchester, Manchester, United Kingdom, 15 Dec 2004.
  53. Quantum field dynamics in real time, talk at Quantum Fields in the Era of Teraflop-Computing, Center for Interdisciplinary Research (ZiF), Bielefeld, Germany, 22-25 Nov 2004.
  54. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at DAMTP, University of Cambridge, Cambridge, United Kingdom, 10 Nov 2004.
  55. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at the University of Sussex, Brighton, United Kingdom, 18 Oct 2004.
  56. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action in the large N limit, seminar at the University of Wales Swansea, Swansea, United Kingdom, 15 Oct 2004.
  57. Transport coefficients and the 2PI effective action in the large N limit, seminar at the University of Amsterdam, the Netherlands, 30 Sep 2004.

    58. Ohio State University (2001-2004)

  58. Nonequilibrium quantum fields, transport coefficients and the 2PI effective action, talk at the Workshop on QCD in Extreme Environments, Argonne National Laboratory, Argonne, IL, USA, 29 Jun-3 Jul 2004.
  59. Diagrammatic approach to transport coefficients in large Nf QCD with massive quarks, talk at Strong and Electroweak Matter (SEWM2004), Helsinki, Finland, 16-19 Jun 2004.
  60. Transport coefficients and spectral functions from the lattice, talk at the Meeting of the Ohio Section of the American Physical Society, Ohio University, Athens, OH, USA, 16-17 Apr 2004.
  61. Quantum and classical fields far from equilibrium: an overview, invited talk at the Workshop on Field Theories Near Equilibrium, Tata Institute of Fundamental Research, Mumbai, India, 15-19 Dec 2003.
  62. Close to equilibrium: transport coefficients and spectral functions, invited talk at the Workshop on Field Theories Near Equilibrium, Tata Institute of Fundamental Research, Mumbai, India, 15-19 Dec 2003.
  63. Non-equilibrium quantum fields and transport coefficients, seminar at Kent State University, Kent, OH, USA, 3 Oct 2003.
  64. Non-equilibrium quantum fields and transport coefficients, seminar at the Ohio State University, Columbus, OH, USA, 26 Sep 2003.
  65. Non-equilibrium quantum fields and transport coefficients, seminar at Ohio University, Athens, OH, USA, 18 Sep 2003.
  66. Issues in nonequilibrium field theory, seminar at Los Alamos National Laboratory, Los Alamos, NM, USA, 12 Jun 2003.
  67. Quasi-fixed points in nonequilibrium field theory, poster at The Monte Carlo Method in the Physical Sciences: Celebrating the 50th Anniversary of the Metropolis Algorithm, Los Alamos National Laboratory, Los Alamos, NM, USA, 9-11 Jun 2003.
  68. Transport coefficients in hot field theory, seminar at Los Alamos National Laboratory, Los Alamos, NM, USA, 6 Jun 2003.
  69. Transport coefficients in hot field theory, seminar at the University of Virginia, Charlottesville, VA, USA, 19 Mar 2003.
  70. Electrical conductivity in hot QED, talk at the Meeting of the Ohio Section of the American Physical Society, OSU, Columbus, OH, USA, 18-19 Oct 2002.
  71. Transport coefficients and quantum fields, invited talk at Strong and Electroweak Matter (SEWM2002), Heidelberg, Germany, 2-5 Oct 2002.
  72. Dynamics of thermal fields, invited lectures (4 hours) at Graduiertenkolleg "Systems with many degrees of freedom", University of Heidelberg, Germany, 30 Sep-1 Oct 2002.
  73. Transport coefficients and quantum fields, seminar at Utrecht University, the Netherlands, 27 Sep 2002.
  74. Transport coefficients and quantum fields, seminar at the University of Amsterdam, the Netherlands, 26 Sep 2002.
  75. Transport coefficients from the lattice? talk at Lattice 2002, MIT, Cambridge, MA, USA, 24-29 Jun 2002.
  76. Transport coefficients from the lattice? NT/RIKEN seminar at Brookhaven National Laboratory, Upton, NY, USA, 31 May 2002.
  77. Transport coefficients and spectral functions from the lattice? talk at QCD and Gauge Theory Dynamics in the RHIC Era, ITP, Santa Barbara, CA, USA, Apr 27-May 18 2002 (online talk).
  78. Classical aspects of nonequilibrium quantum fields, Nuclear Theory seminar at MIT, Cambridge, MA, USA, 4 Dec 2001.
  79. Classical aspects of nonequilibrium quantum fields, seminar at Purdue University, West Lafayette, IN, USA, 27 Nov 2001.
  80. Classical aspects of nonequilibrium quantum fields, seminar at the Ohio State University, Columbus, OH, USA, 12 Oct 2001.

    81. Heidelberg (1999-2001)

  81. Spectral function at high temperature, talk at Lattice 2001, Berlin, Germany, 19-24 Aug 2001.
  82. Quantum fields far from equilibrium: a quantitative approach, Thursday seminar at CERN, Geneva, Switzerland, 9 Aug 2001.
  83. Nonequilibrium evolution of quantum fields, seminar at the University of Bielefeld, Germany, 29 Jun 2001.
  84. Nonequilibrium fields: quantum transport with memory, talk at Hotmatter2001: Meeting on Phase transitions in hot matter, Helsinki, Finland, 5-8 Apr 2001.
  85. Nonequilibrium fields: quantum transport with memory, talk at the 40. Internationale Universitätswochen für Theoretische Physik: Dense Matter, Schladming, Austria, 3-10 Mar 2001.
  86. Nonequilibrium fields, Hartree dynamics and thermalization, talk at Hard Thermal Loops: Applications and Perspectives, Bad Honnef, Germany, 11-15 Dec 2000.
  87. Introduction to transport equations and the 2PI formalism (with Jürgen Berges), two lectures at the Cosmology seminar, Institute for Theoretical Physics, University of Heidelberg, Germany, 19 Nov & 6 Dec 2000.
  88. Nonequilibrium fields: Hartree dynamics, approximate fixed points and thermalization, seminar at the Institute for Theoretical Physics, University of Amsterdam, the Netherlands, 9 Nov 2000.
  89. Exact and truncated dynamics in nonequilibrium field theory, seminar at the Institute for Theoretical Physics, Utrecht University, the Netherlands, 12 Jul 2000.
  90. Dynamics in nonequilibrium field theory, talk at the Delta Meeting, Institute for Theoretical Physics, University of Heidelberg, Germany, Jun 30-Jul 1 2000.
  91. Exact and truncated dynamics in nonequilibrium field theory, talk at Strong and Electroweak Matter (SEWM2000), Marseille, France, 14-17 Jun 2000.
  92. Exact and truncated dynamics in nonequilibrium field theory, talk at Matter under Extreme Conditions, Bielefeld, Germany, 5-9 Jun 2000.
  93. Exact and truncated dynamics in nonequilibrium field theory, seminar at the University of Dortmund, Germany, 25 May 2000.
  94. Exact and truncated dynamics in nonequilibrium field theory, Cosmology seminar at the Institute for Theoretical Physics, University of Heidelberg, Germany, 24 May 2000.
  95. Thermalization in classical scalar field theory, talk at  Phase Transitions in Hot and Dense Matter, Glasgow, UK, 1-5 May 2000.
  96. Thermalization of fermions in nonequilibrium field theory, talk at XII Workshop Beyond the Standard Model, Bad Honnef, Germany, 21-24 Feb 2000.
  97. Lattice fermions in real time, LIM seminar at the Institute for Theoretical Physics, University of Heidelberg, Germany, 28 Jan 2000.
  98. Particle production and effective thermalization, talk at Non-Equilibrium Dynamics in Quantum Field Theory, Institute for Nuclear Theory, Seattle, WA, USA, 4 Oct-10 Dec 1999.
  99. Particle production and effective thermalization, Teilchen-Tee seminar at the Institute for Theoretical Physics, University of Heidelberg, Germany, 4 Nov 1999.

    100. Utrecht (1995-1999)

  100. Dynamics in equilibrium and nonequilibrium quantum field theory, seminar at the Institute for Theoretical Physics, Utrecht University, the Netherlands, 27 Sep 1999.
  101. Effective thermalization in nonequilibrium field theory, poster at Trends in Theory '99, Symposium of the DRSTP, Dalfsen, the Netherlands, 3-4 Jun 1999.
  102. Baryogenesis: nonequilibrium dynamics in field theory, talk at National Seminar Theoretical High Energy Physics, NIKHEF, Amsterdam, the Netherlands, 21 May 1999.
  103. Anomalous fermion number: real-time dynamics on the lattice, talk at Nonequilibrium Quantum Fields Miniprogram, ITP, Santa Barbara, CA, USA, 5-22 Jan 1999 (online talk).
  104. Dynamics of fermions and inhomogeneous Bose fields on a real-time lattice, talk at Strong and Electroweak Matter `98 (SEWM 98), Kopenhagen, Denmark, 2-5 Dec 1998.
  105. Nonperturbative real-time processes with fermions, talk at Quantum Fields In & Out of Equilibrium, Brookhaven National Laboratory, Upton, NY, USA, 26-30 Oct 1998.
  106. Nonequilibrium dynamics with fermions on a lattice in space and time (with Jan Smit), poster at 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany, 10-14 Aug 1998.
  107. The classical approximation for real-time scalar field theory at finite temperature, talk at 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany, 10-14 Aug 1998.
  108. Hot time-dependent quantum field theory and the classical approximation, talk at the Triangular Meeting, Paris, France, 12-14 Aug 1997.
  109. Baryogenesis and the classical approximation, poster at Trends in Theory '97, Symposium of the DRSTP, Dalfsen, the Netherlands, 5-6 Jun 1997.
  110. Renormalizability of hot classical field theory, talk at Eotvos Conference in Science: Strong and Electroweak Matter (SEWM 97), Eger, Hungary, 21-25 May 1997.
  111. Quantum field theory at finite temperature and the classical approximation, talk at the PhD School Theoretical High Energy Physics, Dalfsen, the Netherlands, 20-31 Jan 1997.

Thesis
    Dynamics in equilibrium and nonequilibrium quantum field theory, 147 pages, October 4, 1999, under supervision of Jan Smit at the Institute for Theoretical Physics, Utrecht University, Utrecht, the Netherlands, available upon request.