Energy distribution in quantized mesoscopic RLC electric circuit

Energy distribution in quantized mesoscopic RLC electric circuit
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量化介观RLC电路中的能量分布

DOI:
10.1142/s0217984916503218
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发表时间:
2016-09
影响因子:
1.9
通讯作者:
Fan Hong Yi
Fan Hong Yi
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Wu Wei Feng;Fan Hong Yi

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量子信息处理在实验上依赖于光电器件。本文将稳态情况下的量子化介观RLC(电阻、电感和电容)电路看作量子统计系综,计算了电路的能量分布(即存储在电感和电容中的能量以及消耗在电阻上的能量)。为此,我们采用算符有序积内积分(IWOP)方法导出了该介观系统的热真空态,并用纯态期望值代替系综平均能量的计算.这种方法简洁明了,推导出的结果在物理上是合理的。
Quantum information processing experimentally depends on optical-electronic devices. In this paper, we consider quantized mesoscopic RLC (resistance, inductance and capacitance) electric circuit in stable case as a quantum statistical ensemble, and calculate energy distribution (i.e. the energy stored in inductance and capacitance as well as the energy consumed on the resistance). For this aim, we employ the technique of integration within ordered product (IWOP) of operator to derive the thermo-vacuum state for this mesoscopic system, with which ensemble average energy calculation is replaced by evaluating expected value in pure state. This approach is concise and the result we deduced is physically appealling.
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发表时间: 1987-03-15
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