利用局域调制防止多体解纠缠
Preventing Multipartite Disentanglement by Local Modulations
摘要:
一个纠缠的多体系统耦合到一个零温浴经历了快速解纠缠在许多现实的情况下,由于本地的,破坏性的,在粒子浴耦合的差异。我们表明,局部控制的扰动,解决每个粒子单独,可以施加一个对称性,从而允许在零温度环境中存在的消相干的多体纠缠系统。
英文摘要:
An entangled multipartite system coupled to a zero-temperature bath undergoes rapid disentanglement in many realistic scenarios, due to local, symmetry-breaking, differences in the particle-bath couplings. We show that locally controlled perturbations, addressing each particle individually, can impose a symmetry, and thus allow the existence of decoherence-free multipartite entangled systems in zero-temperature environments.
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