Complete spectra of the Dirac operator and their relation to confinement

Bruckmann, Falk and Gattringer, Christof and Hagen, Christian (2007) Complete spectra of the Dirac operator and their relation to confinement. PHYSICS LETTERS B, 647 (1). pp. 56-61. ISSN 0370-2693,

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Abstract

We compute complete spectra of the staggered lattice Dirac operator for quenched SU(3) gauge configurations below and above the critical temperature. The confined and the deconfined phases are characterized by a different response of the Dirac eigenvalues to a change of the fermionic boundary conditions. We analyze the role of the eigenvalues in recently developed spectral sums representing the Polyakov loop. We show that the Polyakov loop gets its main contributions from the UV end of the spectrum. (c) 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: CHIRAL-SYMMETRY-BREAKING; LATTICE GAUGE-THEORY; TOPOLOGICAL EXCITATIONS;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Dec 2020 07:40
Last Modified: 21 Dec 2020 07:40
URI: https://pred.uni-regensburg.de/id/eprint/33022

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