Quantum Fluctuations in a Mesoscopic Inductance Coupling Circuit |
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| Authors: | Ji-Suo Wang Tang-Kun Liu Ming-Sheng Zhan |
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| Institution: | (1) State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China;(2) Laser Spectroscopy Laboratory, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, China;(3) Department of Physics, Liaocheng Teachers University, Liaocheng, 252059, China |
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| Abstract: | Starting from the equation of motion of a mesoscopic inductance coupling circuit,the quantum fluctuations of charge and current in the circuit are investigated inboth the eigenstates of the system and the squeezed vacuum state. The resultsshow that there exist quantum fluctuations of the charge and current in bothcases, and the fluctuations in each component circuit are connected. |
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