RESTORING FORCE AND DISPLACEMENT OF THE PINNED SPIN-DENSITY-WAVE CONDENSATE IN (TMTSF)2PF6

被引：15

作者：

WONG, WH ^{[1
]}

HANSON, ME ^{[1
]}

CLARK, WG ^{[1
]}

ALAVI, B ^{[1
]}

GRUNER, G ^{[1
]}

机构：

[1] UNIV CALIF LOS ANGELES,CTR SOLID STATE SCI,LOS ANGELES,CA 90024

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.72.2640

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report NMR spin echo measurements of the average spin density,wave condensate displacement at 4.2 K in (TMTSF)2PF6 When it is driven by an electric field below the depinning threshold over time scales of 10-25 mus. The displacement, which corresponds to internal deformations, varies linearly as a function of the electric field and has a restoring force constant per electronic charge k = ( 1.3 +/- 0.3) x 10(-9) N/m. At the depinning threshold the average condensate displacement is 0.46 +/- 0.06 angstrom. The corresponding low frequency dielectric constant is (3.4 +/- 0.7) x 10(9), which is close to that obtained from electrical transport measurements.

引用

页码：2640 / 2643

页数：4

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