FINITE-TEMPERATURE RESULTS FROM CONSTRAINED FERMIONIZATION IN THE 2-D SPIN 1/2 HEISENBERG-ANTIFERROMAGNET .2. FLUCTUATIONS IN THE DIMER PHASES

被引：2
|
作者：
DISTASIO, M
TAGLIACOZZO, A
ERCOLESSI, E
MORANDI, G
机构：
[1] UNIV NAPLES,DIPARTIMENTO SCI FIS,INFM,I-80125 NAPLES,ITALY
[2] UNIV BOLOGNA,DIPARTIMENTO FIS,INFM,I-40126 BOLOGNA,ITALY
[3] SYRACUSE UNIV,DEPT PHYS,SYRACUSE,NY 13244
[4] UNIV BOLOGNA,DIPARTIMENTO FIS,INFN,I-40126 BOLOGNA,ITALY
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1994年 / 8卷 / 06期
关键词：
D O I：
10.1142/S0217979294000300
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The constraint of single-site occupancy is implemented in the femionization of the model, within the saddle point approximation. The columnar and the staggered dimer phases are studied and the contribution of the fluctuations to the zero point energy and the specific heat is analyzed.
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页码：757 / 776
页数：20
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