Specific heat in the SU(N) Heisenberg spin-glass model

被引:1
|
作者
Rozenberg, MJ [1 ]
Camjayi, A [1 ]
机构
[1] Univ Buenos Aires, Dept Fis, FCEN, RA-1428 Buenos Aires, DF, Argentina
关键词
D O I
10.1088/0953-8984/16/11/021
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We solve the SU(N) Heisenberg spin-glass model in the limit of large N focusing on the small temperature behaviour of the specific heat C-nu within the spin-glass phase. We consider the influence of the quantum fluctuations and observe that when they are strong the low T behaviour is quadratic. As quantum fluctuations decrease for large values of S, a broad maximum appears in the C-nu(T)/T curve.
引用
收藏
页码:S723 / S727
页数:5
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