EMMI Workshop: SIGN 2014

from Tuesday, February 18, 2014 (8:00 AM) to Friday, February 21, 2014 (6:00 PM)
GSI (KBW Lecture Hall)

        : Sessions
    /     : Talks
        : Breaks
Feb 18, 2014
Feb 19, 2014
Feb 20, 2014
Feb 21, 2014
AM
8:30 AM Registration   (KBW Lecture Hall)
9:15 AM Opening   (KBW Lecture Hall)
9:30 AM Fluctuations of conserved charges - Stefan Krieg (Forschungszentrum Juelich GmbH)   (KBW Lecture Hall)
Slides
10:00 AM Conserved charge fluctuations and the QCD phase diagram - Dr Christian Schmidt (Universitaet Bielefeld)   (KBW Lecture Hall)
Slides
10:30 AM --- Coffee Break ---
11:00 AM QCD at imaginary chemical potential with Wilson fermions - Andrei Alexandru   (KBW Lecture Hall)
Slides
11:30 AM Fluctuations of strangeness and charm from Lattice QCD - Sayantan Sharma   (KBW Lecture Hall)
Slides
9:00 AM Towards a description of cold and dense QCD with an effective lattice theory - Owe Philipsen (University of Frankfurt)   (KBW Lecture Hall)
Slides
9:30 AM Derivation and test of an effective lattice theory for finite density - Dr Jens Langelage (ETH Zuerich)   (KBW Lecture Hall)
Slides
10:00 AM Effective Polyakov line action and the sign problem - Dr Jeff Greensite (San Francisco State University)   (KBW Lecture Hall)
Slides
10:30 AM --- Coffee Break ---
11:00 AM The phase diagram of QCD in the strong coupling limit, and how to go further - Philippe de Forcrand (ETH Zurich)   (KBW Lecture Hall)
Slides
11:30 AM Gauge corrections to the Strong Coupling limit: Numerical results - Mr Wolfgang Unger (ITP Frankfurt)   (KBW Lecture Hall)
Slides
9:00 AM Simulating full QCD at nonzero density using the complex Langevin equation - Dr Denes Sexty (Uni Heidelberg)   (KBW Lecture Hall)
Slides
9:30 AM Complex Langevin for chiral Random Matrix Theory at nonzero chemical potential - Kim Splittorff   (KBW Lecture Hall)
Slides
10:00 AM Langevin with meromorphic drift: problems and partial solutions - Dr Erhard Seiler (Max-Planck-Institut füir Physik)   (KBW Lecture Hall)
Slides
10:30 AM --- Coffee Break ---
11:00 AM Approaching finite density QCD using Complex Langevin Simulation - Prof. Ion-Olimpiu Stamatescu (Univ. Heuidelberg)   (KBW Lecture Hall)
Slides
11:30 AM Complex Langevin dynamics for SU(3) gauge theory with a theta term - Bongiovanni   (KBW Lecture Hall)
Slides
9:00 AM Nature of phase transitions in finite temperature and density QCD with many-flavors - Dr Shinji Ejiri (Niigata University)   (KBW Lecture Hall)
Slides
9:30 AM The critical surface of QCD in the heavy quark region - Dr Hana Saito (DESY, NIC)   (KBW Lecture Hall)
Slides
10:00 AM The density-of-states approach for dense matter Monte-Carlo simulations - Prof. Kurt Langfeld (Plymouth University)   (KBW Lecture Hall)
Slides
10:30 AM --- Coffee Break ---
11:00 AM QCD with one flavor and the sign problem at fixed theta-angle - Prof. Jacobus Verbaarschot Verbaarschot (Stony Brook University)   (KBW Lecture Hall)
Slides
11:30 AM Surprising phase structures for Wilson and twisted mass fermions - Dr Mario Kieburg (Universität Bielefeld)   (KBW Lecture Hall)
Slides
PM
12:00 PM --- Lunch ---
2:00 PM Dual variables approach to finite density lattice field theories - Christof Gattringer (Universität Graz)   (KBW Lecture Hall)
Slides
2:30 PM The dual representation as a tool to check expansion methods - Ydalia Delgado   (KBW Lecture Hall)
Slides
3:00 PM Worm algorithms: from loops to surfaces, from spin models to gauge theories - Prof. Ulli Wolff (HU Berlin)   (KBW Lecture Hall)
Slides
3:30 PM --- Tea ---
4:00 PM Bold Diagrammatic Monte Carlo for Fermionic and Fermionized Systems - Boris Svistunov (University of Massachusetts, Amherst)   (KBW Lecture Hall)
Slides
4:30 PM Frustrated magnetism via bold diagrammatic Monte Carlo - Oleg Starykh (University of Utah)   (KBW Lecture Hall)
Slides
5:00 PM Solution to sign problems in particle-hole symmetric spin-less fermion systems. - Prof. Shailesh Chandrasekharan (Duke University)   (KBW Lecture Hall)
Slides
5:30 PM --- Welcome Reception ---
12:00 PM --- Lunch ---
2:00 PM Nonzero isospin density - Detmold   (KBW Lecture Hall)
Slides
2:30 PM Isospin chemical potential and magnetic fields - Gergely Endrodi   (KBW Lecture Hall)
Slides
3:00 PM Taming the sign problem using tensor renormalization - Prof. Yannick Meurice (University of Iowa)   (KBW Lecture Hall)
Slides
3:30 PM --- Tea ---
4:00 PM EMMI - Carlo Ewerz (EMMI, GSI Darmstadt)   (KBW Lecture Hall)
4:15 PM Theta dependence of 4D SU(N) gauge theories at finite temperature - Prof. ettore vicari (physics department, university of Pisa)   (KBW Lecture Hall)
Slides
4:45 PM Exploring the phase structure of Yang-Mills theories in the presence of a theta term - Massimo D'Elia (University of Pisa and INFN)   (KBW Lecture Hall)
Slides
5:45 PM
Poster Session (until 7:45 PM) (KBW Lecture Hall)
12:00 PM --- Lunch ---
2:00 PM The Lefschetz thimbles and the sign problem - Dr Luigi Scorzato (TIFPA)   (KBW Lecture Hall)
Slides
2:30 PM Hybrid Monte Carlo on Lefschetz Thimbles -- A study of the residual sign problem - Prof. Yoshio Kikukawa (Institute of Physics, the University of Tokyo)   (KBW Lecture Hall)
Slides
3:00 PM Langevin and Lefschetz - Aarts   (KBW Lecture Hall)
Slides
3:30 PM --- Tea ---
4:00 PM Pierre van Baal - Prof. Jacobus Verbaarschot Verbaarschot (Stony Brook University)   (KBW Lecture Hall)
Slides
4:10 PM Subsets in QCD (I) - Dr Falk Bruckmann (Regensburg University)   (KBW Lecture Hall)
Slides
4:40 PM Subsets in QCD (II) - Dr Jacques Bloch (University of Regensburg)   (KBW Lecture Hall)
Slides
5:40 PM --- Banquet ---
12:00 PM --- Lunch ---
2:00 PM Atomic Quantum Simulation of Abelian and non-Abelian Gauge Theories - Prof. Uwe-Jens Wiese (Bern University)   (KBW Lecture Hall)
Slides
2:30 PM New tools for characterizing Lattice gauge theories, tensor networks and quantum simulators - Taggliacozzo   (KBW Lecture Hall)
Slides
3:00 PM Real-time dynamics without Hamiltonians - Dr Debasish Banerjee (Albert Einstein Center, University of Bern)   (KBW Lecture Hall)
Slides
3:30 PM --- Tea ---
4:00 PM Worldline approach to lattice QCD at finite coupling - Helvio Vairinhos (University of Porto)   (KBW Lecture Hall)
Slides
4:30 PM Complex saddle points in QCD at finite density - Dr Hiromichi Nishimura (University of Bielefeld)   (KBW Lecture Hall)
Slides