Quantum critical effects in mean-field glassy systems

Details Quantum critical effects in mean-field glassy systems Quantum critical effects in mean-field glassy systems

1996-07-06

arxiv.org/abs/cond-mat/9607044v1

Physics

Condensed Matter

11 Pages + 2 Figures, Revtex

Scientific paper

10.1103/PhysRevB.55.14096

We consider the effects of quantum fluctuations in mean-field quantum spin-glass models with pairwise interactions. We examine the nature of the quantum glass transition at zero temperature in a transverse field. In models (such as the random orthogonal model) where the classical phase transition is discontinuous an analysis using the static approximation reveals that the transition becomes continuous at zero temperature.

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