For an opened Ising chain with an alternating magnetic field, the bipartite entanglement entropy decreases when the strength of the alternating field increases.

对于交替磁场中的伊辛链，所有的纠缠熵都随着交替磁场的增大而减小。

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For an opened Ising chain with an alternating magnetic field, the bipartite entanglement entropy decreases when the strength of the alternating field increases.

对于交替磁场中的伊辛链，所有的纠缠熵都随着交替磁场的增大而减小。

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