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Zhang, D.-Y., Guo, P. and Gao, F. (2007) Fidelity of two-level atoms’ quantum states in a strong thermal radiation field. Acta Physica Sinica, 56, 1906-1910.

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• 标题: 介观LC电路在辐射场作用下约化密度方程的推导The Derivation of Reduced Density Equation of Mesoscopic LC Circuit in a Thermal Radiation Field

  作者: 夏小建

  关键字: 介观LC电路, 辐射场, 约化密度方程Mesoscopic LC Circuit; The Radiation Field; Equation of Reduced Density

  期刊名称: 《Applied Physics》, Vol.3 No.9, 2013-11-21

  摘要: 介观LC电路不可避免会处于辐射场中，把辐射场看成是由无穷多谐振子组成的，选择介观LC电路为研究对象。本文从介观LC电路与辐射场相互作用的哈密顿量出发，把辐射场看成库，通过对库求迹，推导了介观LC电路在辐射场作用下的密度方程。 Quantum LC circuit locates inevitably in radiation field; the thermal radiation field is a reservoir which is described by infinite harmonic oscillators, and quantum LC circuit is a system to be investigated. From the interaction between mesoscopic LC circuit and radiation field, the radiation is reservoir. We trace out the reservoir and deduce the equation of density.