Fermionic Boundary Conditions and the Finite Temperature Transition of QCD

Finite temperature lattice QCD is probed by varying the temporal boundary conditions of the fermions. We develop the emerging physical behavior in a study of the quenched case and subsequently present first results for a fully dynamical calculation comparing ensembles below and above the phase trans...

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Bibliographic Details
Published in:Few-body systems 2010-01, Vol.47 (1-2), p.125-135
Main Authors: Bilgici, Erek, Bruckmann, Falk, Danzer, Julia, Gattringer, Christof, Hagen, Christian, Ilgenfritz, Ernst Michael, Maas, Axel
Format: Article
Language:English
Subjects:
Atomic
Boundary conditions
Hadrons
Heavy Ions
Mathematics
Molecular
Nuclear Physics
Optical and Plasma Physics
Particle and Nuclear Physics
Particle physics
Phase transitions
Physics
Physics and Astronomy
Temperature
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Summary:Finite temperature lattice QCD is probed by varying the temporal boundary conditions of the fermions. We develop the emerging physical behavior in a study of the quenched case and subsequently present first results for a fully dynamical calculation comparing ensembles below and above the phase transition. We show that for low temperature spectral quantities of the Dirac operator are insensitive to boundary conditions, while in the deconfined phase a non-trivial response to a variation of the boundary conditions sets in.
ISSN:0177-7963
1432-5411
DOI:10.1007/s00601-009-0068-x