Formation of soliton trains in Bose–Einstein condensates by temporal Talbot effect
Formation of soliton trains in Bose–Einstein condensates by temporal Talbot effect
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通过时间塔尔博特效应在玻色-爱因斯坦凝聚中形成孤子列
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发表时间：
2004
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通讯作者：
J. Mostowski
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作者：
K. Gawryluk;M. Brewczyk;M. Gajda;J. Mostowski
我们研究了限制在盒状势中的玻色-爱因斯坦凝聚体中物质波孤子列的形成。我们发现，如果冷凝物仅在明确定义的时间间隔内从盒子释放到谐波陷阱中，则可以生成“真实”孤子（被理解为经历弹性碰撞的多峰结构）。当盒状电势在现有时间窗口之外关闭时，序列中的峰值数量会发生变化，类似于最近实验中观察到的缺失孤子（Strecker 等人 2002 Nature 417 150）。我们的研究结果表明，通过时间物质波塔尔博特效应在凝聚体中产生孤子列的新方法是可能的。
We study the formation of matter-wave soliton trains in Bose–Einstein condensates confined in a box-like potential. We find that the generation of ‘real’ solitons understood as multipeak structures undergoing elastic collisions is possible if the condensate is released from the box into the harmonic trap only within well-defined time intervals. When the box-like potential is switched off outside the existing time windows, the number of peaks in a train changes resembling missing solitons observed in recent experiment (Strecker et al 2002 Nature 417 150). Our findings indicate that a new way of generating soliton trains in condensates through the temporal, matter-wave Talbot effect is possible.