场论中边界效应的流体模拟模型
A Fluid Analog Model for Boundary Effects in Field Theory
摘要：
研究了线性声子色散关系流体密度的量子涨落。特别是，我们对待这些波动的变化，由于非经典状态的声子和边界的存在。这些效应类似于相对论量子场论中的类似效应，我们认为流体的情况是场论中效应的一个有用的模拟模型。我们进一步认为，在均方密度的变化是在原则上可观察到的光散射实验。
英文摘要：
Quantum fluctuations in the density of a fluid with a linear phonon dispersion relation are studied. In particular, we treat the changes in these fluctuations due to non-classical states of phonons and to the presence of boundaries. These effects are analogous to similar effects in relativistic quantum field theory, and we argue that the case of the fluid is a useful analog model for effects in field theory. We further argue that the changes in the mean squared density are in principle observable by light scattering experiments.
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