Generalizations of some integrals over the unitary group

Authors: Schlittgen B.1; Wettig T.1

Source: Journal of Physics A: Mathematical and General, Volume 36, Number 12, 2003 , pp. 3195-3201(7)

Publisher: Institute of Physics Publishing

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Abstract:

Using the character expansion method, we generalize several well-known integrals over the unitary group to the case where general complex matrices appear in the integrand. These integrals are of interest in the theory of random matrices and may also find applications in lattice gauge theory.

Language: English

Document Type: Miscellaneous

Affiliations: 1: Department of Physics, Yale University, New Haven, CT 06520-8120, USA

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