物质波隙孤子的双势垒
Double barrier potentials for matter-wave gap solitons
摘要：
我们研究了排斥性玻色-爱因斯坦凝聚体中由晶格势支持的带隙型孤子与类似法布里-珀罗腔的有效双势垒的碰撞。我们确定的条件下，在腔中的整个入射孤子的捕获是可能的。入射孤子与早期捕获的碰撞也被考虑。在后一种情况下，许多结果的碰撞被确定，包括合并，释放的捕获孤子与或不被取代的传入的一个，和捕获的两个孤子。
英文摘要：
We investigate collisions of solitons of the gap type, supported by a lattice potential in repulsive Bose-Einstein condensates, with an effective double-barrier potential that resembles a Fabry-Perot cavity. We identify conditions under which the trapping of the entire incident soliton in the cavity is possible. Collisions of the incident soliton with an earlier trapped one are considered too. In the latter case, many outcomes of the collisions are identified, including merging, release of the trapped soliton with or without being replaced by the incoming one, and trapping of both solitons.
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