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Falk Bruckmann

I'm a Heisenberg fellow in Theoretical Physics at the University of Regensburg.

PD Dr. Falk Bruckmann

Institute for Theoretical Physics
Regensburg University
D-93040 Regensburg
Germany

phone: +49 941 943 2002
fax: +49 941 943 3887
email: falk.bruckmann at ur.de

Research

"Physics is not mathematics, just as mathematics is not physics. Somehow nature chooses only a subset of the very beautiful and complex and intricate mathematics that mathematicians develop, and that precise subset is what the theoretical physicist is trying to look for." C.N. Yang according to R. Jackiw

Topics

  • Non-perturbative aspects of Quantum Chromodynamics/Yang-Mills Theories: instantons, monopoles, vortices, calorons

  • QCD under extreme conditions: high temperature and/or high density and/or external magnetic field; mainly by virtue of Lattice gauge theory

  • sign problem and dualizations, also in spin systems
German descriptions at Regensburg University and Mittelbayerische Zeitung

Latest Proceedings and Papers

  • "Complex instantons in sigma models with chemical potential"
    with S. Lochner
    1805.11313

  • "Diagrammatic representation of scalar QCD and sign problem at nonzero chemical potential"
    with J. Wellnhofer
    Phys. Rev. D97 (2018) 014501, 1710.08243

  • "Anderson localization in sigma models"
    with J. Wellnhofer
    Proceedings of Lattice 2017, 1710.05662

  • "Landau Levels in QCD"
    with G. Endrődi, M. Giordano, S.D. Katz, T.G. Kovács, F. Pittler, J. Wellnhofer
    Phys. Rev. D96 (2017) 074506, 1705.10210

all my papers on SPIRES

Selected Talks and Lecture Notes

Lectures

Group

  • Matthias Puhr (Postdoc)
  • Stephan Lochner (Master student)
  • Saswat Sarangi (Bangalore, summer project)

Alumni

  • Jacob Wellnhofer, Dr. rer. nat. 2018: "Localization, dualization, and magnetic fields in strongly coupled quantum field theories"
  • Stephan Lochner, Master 2017: "Nonlinear sigma models at finite density: From instantons to complex saddles"
  • Niki Kilbertus, Bachelor 2014: "Analyzing non-self-dual solutions in the CP^(N-1) model"
  • Dr. Tin Sulejmanpašić, Dr. rer. nat. 2014: "Nonperturbative physics, fractional instantons and matter fields"
  • Rudi Roedl, Master 2013: "Quark spectra in topological backgrounds with chemical potential"
  • Dr. Sebastian Schierenberg, Dr. rer. nat. 2012: "Lattice studies of quark spectra and supersymmetric quantum mechanics"
        and Dipl.-Phys. 2008: "Ensemble Transition in Random Matrix Theory"
  • Dr. Bo Zhang, Dr. rer. nat. 2011: "Two Aspects of the Quantum Chromodynamics' Transition at Finite Temperature"
  • Dr. Florian Gruber, Dipl.-Phys. 2009: "Comparison of Filtering Methods in SU(3) Lattice Gauge Theory"
  • Mark de Kok, PhD 2008: "Broken Symmetries in Field Theory"

Conferences

Upcoming

Past

2018-06-05