Effective Lagrangians and Chiral Random Matrix Theory

Details Effective Lagrangians and Chiral Random Matrix Theory Effective Lagrangians and Chiral Random Matrix Theory

1995-02-15

arxiv.org/abs/hep-th/9502096v1

Phys.Rev.D52:2563-2573,1995

Physics

High Energy Physics

High Energy Physics - Theory

27 pages

Scientific paper

10.1103/PhysRevD.52.2563

Recently, sum rules were derived for the inverse eigenvalues of the Dirac operator. They were obtained in two different ways: i) starting from the low-energy effective Lagrangian and ii) starting from a random matrix theory with the symmetries of the Dirac operator. This suggests that the effective theory can be obtained directly from the random matrix theory. Previously, this was shown for three or more colors with fundamental fermions. In this paper we construct the effective theory from a random matrix theory for two colors in the fundamental representation and for an arbitrary number of colors in the adjoint representation. We construct a fermionic partition function for Majorana fermions in Euclidean space time. Their reality condition is formulated in terms of complex conjugation of the second kind.

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