非局域量子叠加中介观气体的产生和探测
Creation and detection of a mesoscopic gas in a non-local quantum superposition
摘要：
我们研究了一维几何中量子物质波孤子在势垒上的散射，并证明了它可以导致介观薛定谔猫态，其中原子气体处于势垒左边半空间和势垒右边半空间的相干叠加中.我们提出了一种干涉的方法来揭示这种叠加的相干性，我们详细讨论了实验的可行性。
英文摘要：
We investigate the scattering of a quantum matter wave soliton on a barrier in a one dimensional geometry and we show that it can lead to mesoscopic Schrödinger cat states, where the atomic gas is in a coherent superposition of being in the half-space to the left of the barrier and being in the half-space to the right of the barrier. We propose an interferometric method to reveal the coherent nature of this superposition and we discuss in details the experimental feasibility.
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