Hydrodynamics of spatially ordered superfluids

被引：6
作者：
Stoof, HTC
Mullen, K
Wallin, M
Girvin, SM
机构：
[1] UNIV OKLAHOMA,DEPT PHYS,NORMAN,OK 73019
[2] ROYAL INST TECHNOL,DEPT THEORET PHYS,S-10044 STOCKHOLM,SWEDEN
[3] INDIANA UNIV,DEPT PHYS,BLOOMINGTON,IN 47405
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 09期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevB.53.5670
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We derive the hydrodynamic equations for the supersolid and superhexatic phases of a neutral two-dimensional Bose fluid. We find, assuming that the normal part of the fluid is clamped to an underlying substrate, that both phases can sustain third-sound modes and that in the supersolid phase there are additional modes due to the superfluid motion of point defects (vacancies and interstitials).
引用
收藏
页码：5670 / 5682
页数：13
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