The quark and gluon condensates and low-energy QCD theorems in a magnetic field

The low-energy QCD theorems are generalized in the presence of a constant magnetic field H. Two-loop approximation for the vacuum energy density in the framework of the chiral perturbation theory was obtained and the quark and gluon condensates were found as the functions of H.

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Bibliographic Details
Published in:Physics letters. B 2000-01, Vol.472 (1), p.143-149
Main Authors: Agasian, N.O., Shushpanov, I.A.
Format: Article
Language:English
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Summary:The low-energy QCD theorems are generalized in the presence of a constant magnetic field H. Two-loop approximation for the vacuum energy density in the framework of the chiral perturbation theory was obtained and the quark and gluon condensates were found as the functions of H.
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(99)01414-8