Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2008-07-12
Phys.Rev.D79:054505,2009
Physics
High Energy Physics
High Energy Physics - Lattice
20 pages, 21 figures, one new figure, two overloaded figures split in two, minor clarifying changes throughout the text, final
Scientific paper
10.1103/PhysRevD.79.054505
We study SU(2) gluodynamics at finite temperature on both sides of the deconfining phase transition. We create the lattice ensembles using the tree-level tadpole-improved Symanzik action. The Neuberger overlap Dirac operator is used to determine the following three aspects of vacuum structure: (i) The topological susceptibility is evaluated at various temperatures across the phase transition, (ii) the overlap fermion spectral density is determined and found to depend on the Polyakov loop above the phase transition and (iii) the corresponding localization properties of low-lying eigenmodes are investigated. Finally, we compare with zero temperature results.
Bornyakov V. G.
Ilgenfritz Ernst-Michael
Luschevskaya E. V.
Morozov S. M.
Muller-Preussker Michael
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