Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-02-28
Phys.Lett.B402:351-358,1997
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages LaTeX, 5 postscript files for figures
Scientific paper
10.1016/S0370-2693(97)00441-3
We study the dependence of quark condensate $\Sigma$ on an external magnetic
field. For weak fields, it rises linearly with the field. Pion mass and residue
are also shifted so that the Gell-Mann - Oakes - Renner relation is satisfied.
In the strong field region, $\Sigma(H) \propto (eH)^{3/2}$.
Shushpanov I. A.
Smilga Andrei. V.
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