Thermodynamics' third law and quantum phase transitions

被引：1
|
作者：
Kruse, M. K. G. [1 ]
Miller, H. G. [1 ]
Plastino, A. [2 ]
Plastino, A. R. [1 ,3 ,4 ]
机构：
[1] Univ Pretoria, Dept Phys, ZA-0002 Pretoria, South Africa
[2] Natl Univ La Plata, IFLP CCT Conicet, RA-1900 La Plata, Argentina
[3] Univ Granada, Inst Carlos Fis Teor & Computac, Granada, Spain
[4] CREG UNLP Conicet, La Plata, Buenos Aires, Argentina
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2010年 / 389卷 / 13期
关键词：
Quantum phase transition; STATISTICAL MECHANICS; APPROXIMATION METHODS; FINITE-TEMPERATURE; INFORMATION THEORY; SOLVABLE MODEL; NUCLEAR-MATTER; VALIDITY; SYSTEMS;
D O I：
10.1016/j.physa.2010.03.013
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report on the fact that microscopically enforcing fulfillment of thermodynamics' third law on a system of fermions automatically yields the values of the external parameter (here coupling strengths in the pertinent Hamiltonian) at which quantum phase transitions take place. Our considerations are illustrated via an exactly solvable model of Plastino and Moszkowski [II Nuovo Cimento 47,470 (1978)]. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2533 / 2540
页数：8
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