旋转的零点涨落：没有能量转移的第四类永动天体
Zero-point fluctuations in rotation: Perpetuum mobile of the fourth kind without energy transfer
摘要：
我们讨论了一个简单的卡西米尔型设备的旋转能量达到其全球最小值时，该设备围绕某个轴旋转，而不是保持静止。这种不寻常的性质是零点真空涨落的转动惯量是一个负量（转动真空效应）的直接结果。此外，该装置不产生任何功，尽管其平衡基态对应于永久旋转。与直觉相反，该装置没有内部移动的机械部件，而其存在本身符合热力学热力学定律。我们指出，这样的设备可能会使用碳纳米管构建。我们把这种“零点驱动”的装置称为第四类的永久移动装置。
英文摘要：
We discuss a simple Casimir-type device for which the rotational energy reaches its global minimum when the device rotates about a certain axis rather than remains static. This unusual property is a direct consequence of the fact that the moment of inertia of zero-point vacuum fluctuations is a negative quantity (the rotational vacuum effect). Moreover, the device does not produce any work despite the fact that its equilibrium ground state corresponds to a permanent rotation. Counterintuitively, the device has no internally moving mechanical parts while its very existence is consistent with the laws of thermodynamics. We point out that such devices may possibly be constructed using carbon nanotubes. We call this "zero-point-driven" device as the perpetuum mobile of the fourth kind.
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