{ "id": "cond-mat/9909239", "version": "v1", "published": "1999-09-16T02:20:57.000Z", "updated": "1999-09-16T02:20:57.000Z", "title": "Mean-Field Theory of a Quantum Heisenberg Spin Glass", "authors": [ "Antoine Georges", "Olivier Parcollet", "Subir Sachdev" ], "comment": "4 pages, LaTeX, 3 EPS figures", "doi": "10.1103/PhysRevLett.85.840", "categories": [ "cond-mat.dis-nn", "cond-mat.stat-mech", "cond-mat.str-el" ], "abstract": "A full mean field solution of a quantum Heisenberg spin glass model is presented in a large-N limit. A spin glass transition is found for all values of the spin S. The quantum critical regime associated with the quantum transition at S=0, and the various regimes in the spin glass phase at high spin are analyzed. The specific heat is shown to vanish linearly with temperature. In the spin-glass phase, intriguing connections between the equilibrium properties of the quantum problem and the out-of-equilibrium dynamics of classical models are pointed out.", "revisions": [ { "version": "v1", "updated": "1999-09-16T02:20:57.000Z" } ], "analyses": { "keywords": [ "mean-field theory", "quantum heisenberg spin glass model", "full mean field solution", "spin glass transition", "spin glass phase" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "LaTeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable" } } }