量子-经典混合系统的动力学：物质波压力的影响
Dynamics of quantum-classical hybrid system: effect of matter-wave pressure
摘要：
辐射压力影响暴露于辐射的系统的动力学，并且它构成激光冷却的基础。本文通过研究量子-经典混合系统的动力学，研究了{ \it物质波压力}。量子子系统和经典子系统之间没有显式耦合，但通过改变边界条件相互影响。两个系统，即，原子和玻色-爱因斯坦凝聚体（BEC）作为量子子系统，而振荡壁作为经典子系统.我们证明了经典子系统会受到量子原子施加的与$Q^{-3}$成正比的力，而由于BEC中的原子-原子相互作用，经典子系统会从BEC中获得与$Q^{-2}$成正比的力.这些力可以理解为{ \it物质波压力}。
英文摘要：
Radiation pressure affects the kinetics of a system exposed to the radiation and it constitutes the basis of laser cooling. In this paper, we study {\it matter-wave pressure} through examining the dynamics of a quantum-classical hybrid system. The quantum and classical subsystem have no explicit coupling to each other, but affect mutually via a changing boundary condition. Two systems, i.e., an atom and a Bose-Einstein condensate(BEC), are considered as the quantum subsystems, while an oscillating wall is taken as the classical subsystem. We show that the classical subsystem would experience a force proportional to $Q^{-3}$ from the quantum atom, whereas it acquires an additional force proportional to $Q^{-2}$ from the BEC due to the atom-atom interaction in the BEC. These forces can be understood as the {\it matter-wave pressure}.
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