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arXiv 1306.5805quant-ph
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量子系统合成的No-Go定理

No-go theorem for the composition of quantum systems

Maximilian Schlosshauer, Arthur Fine

摘要:

建立在Pusey-Barrett-Rudolph定理,我们推导出一个不去定理的确定性隐藏变量理论,包括那些一致的目标域。这一结果的强度对看似自然的假设(如Pusey-Barrett-Rudolph定理的“准备独立性”)提出了质疑,这些假设是关于子系统的“实态”如何在非纠缠态中组成联合系统。这指出了在模拟张量积状态时的约束,类似于贝尔定理和贝尔-科亨-斯佩克定理对更复杂状态的约束。

英文摘要:

Building on the Pusey-Barrett-Rudolph theorem, we derive a no-go theorem for a vast class of deterministic hidden-variables theories, including those consistent on their targeted domain. The strength of this result throws doubt on seemingly natural assumptions (like the "preparation independence" of the Pusey-Barrett-Rudolph theorem) about how "real states" of subsystems compose for joint systems in nonentangled states. This points to constraints in modeling tensor-product states, similar to constraints demonstrated for more complex states by the Bell and Bell-Kochen-Specker theorems.

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