玻色热场真空的参量下转换
Parametric down conversion of a bosonic thermofield vacuum
摘要：
我们考虑一个输入态为玻色热场真空的参量下转换过程。这种状态导致参数下转换，产生两个激发光子的输出。热场动力学计划，输入状态，最初在玻色子热场真空，和输出状态，最初在真空状态下，刘维尔-冯诺依曼方程下发展。
英文摘要：
We consider a process of parametric down conversion where the input state is a bosonic thermofield vacuum. This state leads to a parametric down conversion, generating an output of two excited photons. Following a thermofield dynamics scheme, the input state, initially in a bosonic thermofield vacuum, and the output states, initially in vacuum states, evolve under a Liouville-von Neumann equation.
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