Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-09-15
Proceedings of the XIII International Conference on Selected Problems of Modern Physics, dedicated to the 100th anniversary of
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 pages, prepared for the XIII International Conference on Selected Problems of Modern Theoretical Physics (SPMTP08), Bogoliub
Scientific paper
The influence of a constant magnetic field on the order parameter of the four-dimensional Nambu and Jona-Lasinio model extended by the 't Hooft six-quark term and eight-quark interactions is considered. It is shown that the multi-quark interactions cause the order parameter to increase sharply (secondary magnetic catalysis) with increasing strength of the field at the characteristic scale $H\sim 10^{14}\Lambda^2$ G/MeV^2.
Blin Alex H.
Hiller Brigitte
Osipov Alexander A.
Providencia Joao da
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