Unconventional spin density wave in Bechgaard salt (TMTSF)2PF6

被引：13
|
作者：
Dóra, B
Maki, K
Ványolos, A
Virosztek, A
机构：
[1] Abdus Salam Int Ctr Theoret Phys, I-34014 Trieste, Italy
[2] Univ So Calif, Dept Phys & Astron, Los Angeles, CA 90089 USA
[3] Budapest Univ Technol & Econ, Dept Phys, H-1521 Budapest, Hungary
[4] Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
来源：
EUROPHYSICS LETTERS | 2004年 / 67卷 / 06期
关键词：
D O I：
10.1209/epl/i2004-10152-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The quasi-one-dimensional organic conductor Bechgaard salts (TMTSF)(2)X with X = PF6, ClO4, AsF6, etc. are well known for the variety of their ground states: spin density wave (SDW), field-induced spin density wave (FISDW) and triplet superconductivity. We propose here that the unconventional spin density wave (USDW) occupies a large area of the P-B phase diagram, where SDW is suppressed by pressure (P) and superconductivity by magnetic field (B) and FISDW is still absent. USDW describes the striking angular dependent magnetoresistance (ADMR) seen in this area of the phase diagram, when the magnetic field is rotated in the c*-b' plane. Also the Lebed resonances are naturally interpreted in terms of the imperfect nesting term.
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页码：1024 / 1030
页数：7
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