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Welcome

This workshop on the Sign Problem in QCD and Beyond will be organized by the Institute for Theoretical Physics of the University of Regensburg from Wednesday 19th till Saturday 22th September 2012. The aim of this workshop is to bring together experts in the field to discuss advances in the solution of the sign problem in QCD, which occurs during lattice simulations at finite densities. This topic becomes more important as heavy ion experiments probe regions of larger baryon density in the quest to unveil the phase diagram of QCD.

The sign problem also occurs in the simulation of other physical theories, and cross-fertilization across scientific disciplines could lead to unexpected advances.

The main topics to be discussed are: world-line formalism, fermion bags, worm algorithm, Taylor expansion methods, analytic continuation from imaginary chemical potential, canonical ensemble, stochastic quantization, resummation methods, random matrix theory at nonzero chemical potential and the theta term.

Keynote speakers
  • Gert Aarts (Swansea University)
  • Shailesh Chandrasekharan (Duke University)
  • Philippe de Forcrand (ETH Zürich)
  • David Kaplan (INT)
  • Keh-Fei Liu (University of Kentucky)
More confirmed speakers
  • Gernot Akemann (Bielefeld)
  • Andrei Alexandru (Washington)
  • Jens Oluf Andersen (NTNU)
  • Pavel Buividovich (ITEP)
  • Francis Bursa (Swansea)
  • Shinji Ejiri (Niigata)
  • Christof Gattringer (Graz)
  • Jeff Greensite (Niels Bohr International Academy)
  • Simon Hands (Swansea)
  • Catherine Pépin (CEA Saclay)
  • Owe Philipsen (Frankfurt)
  • Luigi Scorzato (ECT*)
  • Erhard Seiler (MPI Munich)
  • Kim Splittorff (NBI/Uni Copenhagen)
  • Ion-Olimpiu Stamatescu (Heidelberg)
  • Kris Van Houcke (Ghent)
  • Jacobus Verbaarschot (Stony Brook)
  • Urs Wenger (Bern)
  • Ulli Wolff (HU Berlin)

Organisers: Jacques Bloch and Falk Bruckmann


View of the Stone Bridge and the picturesque Old Town of Regensburg (UNESCO World Heritage).(Photo: Tourist Office Regensburg)