Department of Applied Mathematics, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
Phys Rev Lett. 2015 Mar 20;114(11):110505. doi: 10.1103/PhysRevLett.114.110505.
We show that it is possible to use a massless field in the vacuum to communicate in such a way that the signal travels arbitrarily slower than the speed of light and such that no energy is transmitted from the sender to the receiver. Instead, the receiver has to supply a signal-dependent amount of work to switch his detector on and off. This type of communication is related to Casimir-like interactions, and it is made possible by dimension-and curvature-dependent subtleties of Huygens' principle.
我们证明了利用真空中的无质量场进行通信是可能的，这种方式下信号的传播速度可以任意慢于光速，而且信号在从发送者到接收者的传输过程中没有能量传递。相反，接收者必须提供与信号相关的能量来打开和关闭他的探测器。这种类型的通信与卡西米尔类似的相互作用有关，并且是通过惠更斯原理的维度和曲率相关的微妙之处来实现的。
