Dynamical density-density correlations in the one-dimensional Bose gas

被引：147
|
作者：
Caux, Jean-Sebastien [1 ]
Calabrese, Pasquale [1 ]
机构：
[1] Univ Amsterdam, Inst Theoret Phys, NL-1018 XE Amsterdam, Netherlands
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.74.031605
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The zero-temperature dynamical structure factor of the one-dimensional Bose gas with delta-function interaction (Lieb-Liniger model) is computed as a function of momentum and frequency using a hybrid theoretical/numerical method based on the exact Bethe-ansatz solution. This allows one to interpolate continuously between the weakly coupled Thomas-Fermi and strongly coupled Tonks-Girardeau regimes. The results should be experimentally accessible with Bragg spectroscopy.
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页数：4
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