原子玻色-氢云中暗脉冲的参数驱动
其他凝聚态物理
2009-11-10 v2
摘要
在由单向谐势约束的原子玻色-氢云中，沿着声波场持续交换能量的暗脉冲。周期性光学“摇板”用于可控地增强声波密度，将能量传递给脉冲，类似于参数驱动。在无阻尼情况下，脉冲振荡的�幅可被显著降低；而在有阻尼情况下，受驱动的脉冲会达到一种能量更低的稳定暗脉冲，从而将脉冲寿命延长至等于玻色-氢云寿命。
引用
@article{arxiv.cond-mat/0403566,
title = {Parametric Driving of Dark Solitons in Atomic Bose-Einstein Condensates},
author = {N. P. Proukakis and N. G. Parker and C. F. Barenghi and C. S. Adams},
journal= {arXiv preprint arXiv:cond-mat/0403566},
year = {2009}
}
备注
PRL Accepted. Changes: Clarified distinction between 2 regimes of long-term soliton stabilization: (a) against decay, (b) at fixed soliton energy. Fig. 4 modified accordingly