Counting Multiple Solutions in Glassy Random Matrix Models

Details Counting Multiple Solutions in Glassy Random Matrix Models Counting Multiple Solutions in Glassy Random Matrix Models

2003-03-25

arxiv.org/abs/cond-mat/0303521v1

Physics

Condensed Matter

Statistical Mechanics

15 pages, 5 figures, accepted in PRE

Scientific paper

10.1103/PhysRevE.68.026130

This is a first step in counting the number of multiple solutions in certain glassy random matrix models introduced in refs. \cite{d02}. We are able to do this by reducing the problem of counting the multiple solutions to that of a moment problem. More precisely we count the number of different moments when we introduce an asymmetry (tapping) in the random matrix model and then take it to vanish. It is shown here that the number of moments grows exponentially with respect to N the size of the matrix. As these models map onto models of structural glasses in the high temperature phase (liquid) this may have interesting implications for the supercooled liquid phase in these spin glass models. Further it is shown that the nature of the asymmetry (tapping) is crutial in finding the multiple solutions. This also clarifies some of the puzzles we raised in ref. \cite{bd99}.

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