EPJ Web Conf.
Volume 137, 2017XIIth Quark Confinement and the Hadron Spectrum
|Number of page(s)||12|
|Section||Section A: Vacuum Structure and Confinement|
|Published online||22 March 2017|
Hamiltonian approach to QCD in Coulomb gauge at zero and finite temperature
Universität Tübingen Institut für Theoretische Physik Auf der Morgenstelle 14 D-72076 Tübingen Germany
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Published online: 22 March 2017
I report on recent results obtained within the Hamiltonian approach to QCD in Coulomb gauge. By relating the Gribov confinement scenario to the center vortex picture of confinement it is shown that the Coulomb string tension is tied to the spatial string tension. For the quark sector a vacuum wave functional is used which results in variational equations which are free of ultraviolet divergences. The variational approach is extended to finite temperatures by compactifying a spatial dimension. For the chiral and deconfinement phase transition pseudo-critical temperatures of 170MeV and 198 MeV, respectively, are obtained.
© The Authors, published by EDP Sciences, 2017
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