Spin-density-wave transition in quasi-one-dimensional system under uniaxial pressure

被引:12
作者
Miyazaki, M [1 ]
Kishigi, K [1 ]
Hasegawa, Y [1 ]
机构
[1] Himeji Inst Technol, Fac Sci, Kamigouri, Hyogo 6781297, Japan
关键词
spin-density-wave; quasi-one-dimension; (TMTSF)(2)X; uniaxial pressure;
D O I
10.1143/JPSJ.69.997
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have investigated the effect of uniaxial pressure on the transition temperature of spin-density-wave (SDW) in quasi-one-dimensional organic conductors. Although the imperfectness of the Fermi surface nesting is reduced when the hopping matrix element t(a) increases by uniaxial pressure along the most conducting a axis, which is favorable for the SDW state, the decrease of density of the state due to the increase of t(a) suppresses the SDW transition. As a result, T-SDW decreases as t(a) increases. This is consistent with the recent experimental result for (TMTSF)(2)PF6 under uniaxial strain along the a axis.
引用
收藏
页码:997 / 999
页数:3
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