Wigner-Dyson Statistics from the Keldysh σ-Model

Alexander Altland, Alex Kamenev

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The level statistics of disordered metallic grains with broken time reversal invariance is obtained from the Keldysh nonlinear σ–model. The basic strategy of the approach–a nonperturbative integration over all saddle points of the σ–model manifold–might prove useful in the analysis of problems involving disorder and interactions.

Original languageEnglish (US)
Pages (from-to)5615-5618
Number of pages4
JournalPhysical review letters
Volume85
Issue number26
DOIs
StatePublished - 2000

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