Pulsed NMR experiments in superfluid 3He confined in aerogel

被引：7
|
作者：
Dmitriev, VV
Kosarev, IV
Mulders, N
Zavjalov, VV
Zmeev, DY
机构：
[1] Kapitza Inst, Moscow 119334, Russia
[2] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
来源：
PHYSICA B-CONDENSED MATTER | 2003年 / 329卷
关键词：
superfluid He-3; aerogel; NMR;
D O I：
10.1016/S0921-4526(02)02058-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Pulsed NMR experiments have been performed in both B and supercooled A phases of superfluid He-3 in aerogel. Dependencies of spin precession frequency on tipping angle in B-phase of superfluid He-3 in aerogel are found to be different for pure He-3 and for the cell preplated with He-4. A sharp increase of the frequency for tipping angles greater than 104degrees was observed in low temperature superfluid phase of He-3 in He-4 preplated aerogel as it is expected for the B-phase structure of the order. parameter. Dependencies of the frequency on the tipping angle in supercooled A-phase are similar for both pure He-3 and He-4 preplated aerogel. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：296 / 298
页数：3
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