Hopping between Random Locations: Spectrum and Instanton

Details Hopping between Random Locations: Spectrum and Instanton Hopping between Random Locations: Spectrum and Instanton

2000-06-22

arxiv.org/abs/cond-mat/0006342v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

9 pages, Revtex, 2 postscript figures

Scientific paper

10.1088/0953-8984/12/41/312

Euclidean random matrices appear in a broad class of physical problems
involving disorder. The problem of determining their spectra can be mapped,
using the replica method, into the study of a scalar field theory with an
interaction of the type e^(psi^2). We apply the instanton method to study their
spectral tails.

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