SU(2) lattice gauge theory with an external field

The properties of pure gauge SU(2) lattice theory in the presence of background constant chromomagnetic field H are studied. We calculate the contributions of electric and magnetic modes to the internal energy both in the confinement and deconfinement phases. The dependence of the magnetic part of t...

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Bibliographic Details
Published in:Physics letters. B 1989-07, Vol.225 (1), p.153-158
Main Authors: Ambjørn, J., Mitrjushkin, V.K., Bornyakov, V.G., Zadorozhny, A.M.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Theory of quantized fields
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Summary:The properties of pure gauge SU(2) lattice theory in the presence of background constant chromomagnetic field H are studied. We calculate the contributions of electric and magnetic modes to the internal energy both in the confinement and deconfinement phases. The dependence of the magnetic part of the energy on H is positive and consistent with the H 2 behaviour up to possible logarithmic corrections. At the same time the dependence of the electric component differs drastically from the magnetic one.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(89)91027-7