Nonlinear Landau-Zener tunneling

Nonlinear Landau-Zener tunneling
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DOI:
10.1103/physreva.61.023402
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发表时间:
2000-02-01
期刊:
影响因子:
2.9
通讯作者:
Niu, Q
Niu, Q
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Wu, B;Niu, Q

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研究了依赖于外部参数的自相互作用两能级系统。该系统表现出的最显着的特征是在绝热极限下存在非零隧道概率,以获得足够大的相互作用强度。建议使用光学势中的玻色-爱因斯坦凝聚体对绝热性的破坏进行可能的实验观察。
A self-interacting two-level system depending on an external parameter is investigated. The most striking feature exhibited in this system is the presence of a nonzero tunneling probability in the adiabatic limit for large enough interaction strength. Possible experimental observation of this breakdown of adiabaticity using a Bose-Einstein condensate in an optical potential is suggested.