涌现引力和以太漂移实验
Emergent gravity and ether-drift experiments
摘要：
根据几位作者的说法，重力可能是一种长波长现象，出现在某种“流体动力学极限”中，来自同一物理平面空间真空，被视为一种超流体介质。在这个框架下，光可能在一个有效的声学几何中传播，并表现出微小的各向异性，这在目前的以太漂移实验中是可以测量的。通过接受这种真空的观点，人们还应该考虑信号的相当大的随机波动的可能性，这种波动反映了潜在的“量子以太”的随机性质，并可能被错误地解释为仪器噪声。为了测试目前的解释，我们已经提取了平均振幅的信号从各种实验与不同的系统，在室温和低温制度。它们都给出了相同的一致值< A >= O（10^{-15}），这正是在紧急重力方法中所期望的震级，对于放置在地球表面的设备。由于物理影响可能很大，因此必须从瞬时原始数据中获得更直接的检查，并可能在无重力环境中使用新的实验装置。
英文摘要：
According to several authors, gravity might be a long-wavelength phenomenon emerging in some 'hydrodynamic limit' from the same physical, flat-space vacuum viewed as a form of superfluid medium. In this framework, light might propagate in an effective acoustic geometry and exhibit a tiny anisotropy that could be measurable in the present ether-drift experiments. By accepting this view of the vacuum, one should also consider the possibility of sizeable random fluctuations of the signal that reflect the stochastic nature of the underlying `quantum ether' and could be erroneously interpreted as instrumental noise. To test the present interpretation, we have extracted the mean amplitude of the signal from various experiments with different systematics, operating both at room temperature and in the cryogenic regime. They all give the same consistent value < A > = O (10^{-15}) which is precisely the magnitude expected in an emergent-gravity approach, for an apparatus placed on the Earth's surface. Since physical implications could be substantial, it would be important to obtain more direct checks from the instantaneous raw data and, possibly, with new experimental set-ups operating in gravity-free environments.
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