论文标题
振荡孤子和AC Josephson效应在铁磁性玻色剂混合物中
Oscillating Solitons and AC Josephson Effect in Ferromagnetic Bose-Bose Mixtures
论文作者
论文摘要
接近解散的转变，通过非缺陷性Landau-Lifshitz方程来描述与两组分子玻色 - 因斯坦冷凝物的相对密度波动相关的自由度。在准一维弱化的情况下，该映射令人惊讶地预测，当持续的力有利于分离这两个组件时，黑色亮型孤子应振荡。我们提出了这种现象的现实实验实施，我们将其解释为在存在可移动屏障的情况下是一种自旋 - 约瑟夫森效应。
Close to the demixing transition, the degree of freedom associated to relative density fluctuations of a two-component Bose-Einstein condensate is described by a non-dissipative Landau-Lifshitz equation. In the quasi one-dimensional weakly immiscible case, this mapping surprisingly predicts that a dark-bright soliton should oscillate when subject to a constant force favoring separation of the two components. We propose a realistic experimental implementation of this phenomenon which we interpret as a spin-Josephson effect in the presence of a movable barrier.
