刚性转子的崩溃诱导定向局部化
Collapse-induced Orientational Localization of Rigid Rotors
摘要：
我们展示了各向异性粒子的反平移运动是如何受到连续自发局域化（CSL）模型的影响，CSL模型是宏观尺度上恢复现实主义的薛定谔方程的最突出的假设修改。我们推导出描述坍缩引起的空间取向退相干的主方程，并演示了它如何导致线性和角动量扩散。由于相关的加热速率与CSL参数的比例不同，后者可以通过测量单个悬浮纳米转子的随机运动来单独确定。
英文摘要：
We show how the ro-translational motion of anisotropic particles is affected by the model of Continuous Spontaneous Localization (CSL), the most prominent hypothetical modification of the Schrödinger equation restoring realism on the macroscale. We derive the master equation describing collapse-induced spatio-orientational decoherence, and demonstrate how it leads to linear- and angular-momentum diffusion. Since the associated heating rates scale differently with the CSL parameters, the latter can be determined individually by measuring the random motion of a single levitated nanorotor.
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