Staggered Long-Range Order for Diluted Quantum Spin Models

被引：0
|
作者：
Kotecky, Roman [1 ,2 ]
Lees, Benjamin [3 ]
机构：
[1] Univ Warwick, Math Inst, Coventry CV4 7AL, W Midlands, England
[2] Charles Univ Prague, CTS, Prague, Czech Republic
[3] Tech Univ Darmstadt, Fachbereich Math, Darmstadt, Germany
来源：
JOURNAL OF STATISTICAL PHYSICS | 2019年 / 175卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
Diluted quantum XY-model; Staggered long-range order; Chessboard estimates; FALICOV-KIMBALL MODEL; PHASE-TRANSITIONS; REFLECTION POSITIVITY; SYSTEMS;
D O I：
10.1007/s10955-019-02263-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study an annealed site diluted quantum XY model with spin Smml:mstyle displaystyleN. We find regions of the parameter space where, in spite of being a priori favourable for a densely occupied state, phases with staggered occupancy occur at low temperatures.
引用
收藏
页码：972 / 986
页数：15
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