Solitary waves and yrast states in Bose-Einstein condensed gases of atoms

被引：14

作者：

Jackson, A. D. ^{[1
]}

Smyrnakis, J. ^{[2
]}

Magiropoulos, M. ^{[2
]}

Kavoulakis, G. M. ^{[2
]}

机构：

[1] Niels Bohr Int Acad, Niels Bohr Inst, DK-2100 Copenhagen O, Denmark

[2] Technol Educ Inst Crete, GR-71004 Iraklion, Greece

来源：

EPL | 2011年 / 95卷 / 03期

关键词：

DARK SOLITONS; SUPERFLUIDITY;

D O I：

10.1209/0295-5075/95/30002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Considering a Bose-Einstein condensed gas confined in one dimension with periodic boundary conditions, we demonstrate that, very generally, solitary-wave and rotational excitations coincide. This exact equivalence allows us to establish connections within a number of effects that are present in these two problems, many of which have been studied in the mean-field approximation and in the Tonks-Girardeau limit of hard-core bosons. Copyright (C) EPLA, 2011

引用

页数：5

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