Pure and random-field quantum criticality in the dipolar Ising model: Theory of Mn12 acetates

被引：14

作者：

Millis, A. J. ^{[1
]}

Kent, A. D. ^{[2
]}

Sarachik, M. P. ^{[3
]}

Yeshurun, Y. ^{[4
]}

机构：

[1] Columbia Univ, Dept Phys, New York, NY 10027 USA

[2] NYU, Dept Phys, New York, NY 10003 USA

[3] CUNY City Coll, Dept Phys, New York, NY 10031 USA

[4] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 02期

关键词：

MAGNETIZATION; MAGNET;

D O I：

10.1103/PhysRevB.81.024423

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A theoretical model for the Mn-12 acetates is derived including a "random-field" effect arising from isomer effects in some families of host acetate materials. Estimates for the important energy scales are given. Phase boundaries are determined using a mean-field approximation. Predictions for experiment are presented

引用

页数：11

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