SUPERFLUID EFFECTS IN ROTATING HELIUM CLUSTERS

被引：12
|
作者：
PITAEVSKII, L [1 ]
STRINGARI, S [1 ]
机构：
[1] UNIV TRENTO,DEPARTIMENTO FIS,I-38050 TRENT,ITALY
来源：
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS | 1990年 / 16卷 / 04期
关键词：
36.40.+d; 67.40.-w;
D O I：
10.1007/BF01437534
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
We study the response of Bose4He clusters to an external field corresponding to a rotation with frequency ω. An explicit form for the normal (nonsuperfluid) fraction of the system as a function of the temperature T and of the mass number N of the cluster is obtained under the assumption that only surface modes are thermally excited. The critical behaviour of4He clusters at high rotational frequencies is also investigated. © 1990 Springer-Verlag.
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页码：299 / 301
页数：3
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