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Quantum critical effects in mean-field glassy systems

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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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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.55.14096

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Articles publicats en revistes (Física de la Matèria Condensada)

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Transformacions de fase (Física estadística)

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Quantum critical effects in mean-field glassy systems