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arxiv: 0905.3253 · v2 · submitted 2009-05-20 · 🧮 math-ph · math.MP

Arbitrary rotation invariant random matrix ensembles and supersymmetry: orthogonal and unitary-symplectic case

classification 🧮 math-ph math.MP
keywords ensemblesarbitraryinvariantmatrixresultssupersymmetryapproachcase
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Recently, the supersymmetry method was extended from Gaussian ensembles to arbitrary unitarily invariant matrix ensembles by generalizing the Hubbard-Stratonovich transformation. Here, we complete this extension by including arbitrary orthogonally and unitary-symplectically invariant matrix ensembles. The results are equivalent to, but the approach is different from the superbosonization formula. We express our results in a unifying way. We also give explicit expressions for all one-point functions and discuss features of the higher order correlations.

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