Temperature dependence of the bag constant and the effective lagrangian for gauge fields at finite temperatures

B. Müller; J. Rafelski

doi:10.1016/0370-2693(81)90502-5

Temperature dependence of the bag constant and the effective lagrangian for gauge fields at finite temperatures

B. Müller, J. Rafelski

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68 Scopus citations

Abstract

We calculate the free energy for a gauge field at finite temperature in the presence of a constant gauge magnetic field in the one-loop approximation, omitting unstable modes. The effect of finite temperature on the approximate "true" Savvidy ground state of QCD is derived. A phase transition to the perturbative ground state at T_cr=1.5B_s^{1 4} ≈210 MeV is found.

Original language	English (US)
Pages (from-to)	111-118
Number of pages	8
Journal	Physics Letters B
Volume	101
Issue number	1-2
DOIs	https://doi.org/10.1016/0370-2693(81)90502-5
State	Published - Apr 30 1981
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(81)90502-5

Cite this

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abstract = "We calculate the free energy for a gauge field at finite temperature in the presence of a constant gauge magnetic field in the one-loop approximation, omitting unstable modes. The effect of finite temperature on the approximate {"}true{"} Savvidy ground state of QCD is derived. A phase transition to the perturbative ground state at Tcr=1.5Bs 1 4 ≈210 MeV is found.",

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AU - Rafelski, J.

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N2 - We calculate the free energy for a gauge field at finite temperature in the presence of a constant gauge magnetic field in the one-loop approximation, omitting unstable modes. The effect of finite temperature on the approximate "true" Savvidy ground state of QCD is derived. A phase transition to the perturbative ground state at Tcr=1.5Bs 1 4 ≈210 MeV is found.

AB - We calculate the free energy for a gauge field at finite temperature in the presence of a constant gauge magnetic field in the one-loop approximation, omitting unstable modes. The effect of finite temperature on the approximate "true" Savvidy ground state of QCD is derived. A phase transition to the perturbative ground state at Tcr=1.5Bs 1 4 ≈210 MeV is found.

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ER -

Temperature dependence of the bag constant and the effective lagrangian for gauge fields at finite temperatures

Abstract

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