量子测量中的引力自定域
Gravitational self-localization in quantum measurement
摘要：
在牛顿-薛定谔量子力学，它允许引力自相互作用，它表明，无分裂无塌陷测量方案是可能的。一个宏观指针以低加速度运动，由作用在其上的埃弗雷特平均力控制，这使得经典性自我维持，解决了埃弗雷特悖论，并概述了量子随机性自发出现的方法。数值估计表明，增强的短程引力需要该方案的工作。该方案未能解释量子非定域性，包括两个探测器的相互关系，这表明需要对牛顿-薛定谔耦合方案进行非定域修改。
英文摘要：
Within Newton-Schrödinger quantum mechanics which allows gravitational self-interaction, it is shown that a no-split no-collapse measurement scenario is possible. A macroscopic pointer moves at low acceleration, controlled by the Ehrenfest-averaged force acting on it. That makes classicality self-sustaining, resolves Everett's paradox, and outlines a way to spontaneous emergence of quantum randomness. Numerical estimates indicate that enhanced short-range gravitational forces are needed for the scenario to work. The scheme fails to explain quantum nonlocality, including two-detector anticorrelations, which points towards the need of a nonlocal modification of the Newton-Schrödinger coupling scheme.
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