Nonlinear spectroscopic effects in quantum gases induced by atom-atom interactions

被引：0
|
作者：
Safonov, A. I. [1 ,2 ]
Safonova, I. I. [1 ]
Yasnikov, I. S. [3 ]
机构：
[1] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia
[2] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
[3] Togliatti State Univ, Tolyatti 445667, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2013年 / 116卷 / 05期
关键词：
Rabi Frequency; Double Resonance; Electromagnetically Induce Transparency; Resonance Field; Probe Frequency;
D O I：
10.1134/S1063776113050233
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider nonlinear spectroscopic effects-interaction-enhanced double resonance and spectrum instability-that appear in ultracold quantum gases owing to collisional frequency shift of atomic transitions and, consequently, due to the dependence of the frequencies on the population of various internal states of the particles. Special emphasis is put to two simplest cases, (a) the gas of two-level atoms and (b) double resonance in a gas of three-level bosons, in which the probe transition frequency remains constant.
引用
收藏
页码：742 / 748
页数：7
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