THERMODYNAMICS OF THE SPIN-DENSITY WAVE TRANSITION IN (TMTSF)2PF6

被引：31
|
作者：
CORONEUS, J
ALAVI, B
BROWN, SE
机构：
[1] Department of Physics, University of California at Los Angeles, Los Angeles
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.70.2332
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report on calorimetric measurements of the organic spin-density wave (SDW) conductor (TMTSF)2PF6. The experiments were carried out from 8 to 20 K, with emphasis on the neighborhood of the 1 2.1 K SDW transition. The transition anomaly was less than 1% of the total specific heat at that temperature, and deviates substantially from the shape expected for mean-field theory for temperatures approximately 0.15 K on either side of the transition. A comparison to the thermodynamics of the 2D Heisenberg antiferromagnet is made.
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页码：2332 / 2335
页数：4
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