Correlations in the Trotter dimension in the transverse Ising spin-glass model

Ferenc Pa´zma´ndi, Zbigniew Doman´ski, and Paul Erdös
Phys. Rev. B 47, 8285 – Published 1 April 1993
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Abstract

The nature of the paramagnetic phase of the transverse Sherrington-Kirkpatrick (SK) spin-glass model is not completely understood because of the quantum fluctuations. We use different approximations to describe these fluctuations. The resulting paramagnetic–spin-glass phase diagrams are compared to those obtained by numerical methods and by previous theories.

  • Received 7 December 1992

DOI:https://doi.org/10.1103/PhysRevB.47.8285

©1993 American Physical Society

Authors & Affiliations

Ferenc Pa´zma´ndi, Zbigniew Doman´ski, and Paul Erdös

  • Institute of Theoretical Physics, University of Lausanne, CH-1015 Lausanne, Switzerland

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Issue

Vol. 47, Iss. 13 — 1 April 1993

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