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Instability in the quantum Sherrington-Kirkpatrick Ising spin glass with a transverse and a trimodal random longitudinal field

✍ Scribed by Yu-qiang Ma; Zhen-ya Li

Book ID
113316079
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
362 KB
Volume
96
Category
Article
ISSN
0304-8853

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We investigate the stability of the replica-symmetric solution of the Sherrington-Kirkpatrick(Ising spin glass in a transverse field. It is shown that the replica-symmetric solution is unstable in the whole lowtemperature phase. The low temperature behaviour is investigated by applying the first sta