Splitting bright matter-wave solitons on narrow potential barriers: Quantum to classical transition and applications to interferometry
Splitting bright matter-wave solitons on narrow potential barriers: Quantum to classical transition and applications to interferometry
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在窄势垒上分裂明亮的物质波孤子：量子到经典的转变及其在干涉测量中的应用
DOI：
10.1103/physreva.89.033610
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发表时间：
2014
影响因子：
2.9
通讯作者：
Helm J
中科院分区：
文献类型：
--
作者：
Helm J
研究了Gross-Pitaevskii方程中的亮孤子在低能系统中分裂和重组的过程。我们目前的分析结果确定的一般区域中，孤子可能不会分裂的势垒，并确认这些结果的数值。此外，我们分析了初始质量中心位置和动量的量子涨落对孤立子分裂和复合事件结果产生影响的能量区域。然后，我们使用这种分析的结果，以确定一个参数制度，孤子干涉术是可行的。
We study bright solitons in the Gross-Pitaevskii equation as they are split and recombined in a low-energy system. We present analytic results determining the general region in which a soliton may not be split on a potential barrier and confirm these results numerically. Furthermore, we analyze the energetic regimes where quantum fluctuations in the initial center-of-mass position and momentum become influential on the outcome of soliton splitting and recombination events. We then use the results of this analysis to determine a parameter regime where soliton interferometry is practicable.