由于单个玻色原子不是可区分的子系统，我们把系统看成一个两模系统，用冯诺依曼熵来度系统的量子纠缠。

In our case, the two modes differ in the internal quantum number, and are a clearly distinguishable subsystem. We can thus regard the two coupled BECs as a bipartite system of the modes.

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由于单个玻色原子不是可区分的子系统，我们把系统看成一个两模系统，用冯诺依曼熵来度系统的量子纠缠。

In our case, the two modes differ in the internal quantum number, and are a clearly distinguishable subsystem. We can thus regard the two coupled BECs as a bipartite system of the modes.

youdao