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Chinese Journal of Quantum Electronics

Squeezing effect of a mesoscopic dissipation transmission line in the amplitude Schrodinger-Cat state

Wang Qi

Published Jan 1, 2004• 0 citations
OpenAlex

Abstract

Besed upon the quantization of a mesoscopic dissipation transmission line, the squeezing effect of the line in the amplitude Schrodinger-Cat state was studied. It is shown that the compression feature of the line depend on not only the the amplitude Schrodinger-Cat state, but also the distribution parameters and positon of the line, the quantum noise can be farthest compressed when the average photon number is one.

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Besed upon the quantization of a mesoscopic dissipation transmission line, the squeezing effect of the line in the amplitude Schrodinger-Cat state was studied. It is shown that the compression feature of the line depend on not only the the amplitude Schrodinger-Cat state, but also the distribution parameters and positon of the line, the quantum noise can be farthest compressed when the average photon number is one.
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We study the quantum fluctuations of the charge and current of two L-C dissipative mesoscopic circuit with the mutual inductance in the vacuum state. Our results show that the system state will evolve to a squeezed coherent state under the effect of external source. We find that the squeezing amplitude parameter is relative to the parameters of circuit and the mutual-inductance coefficient in the existence of dissipation. When the circuit has no dissipation or there is complete coupling between two meshes, the squeezing amplitude parameter only depends on the capacitance's ratio.
We study the quantum fluctuations of the charge and current of two L-C dissipative mesoscopic circuit with the mutual inductance in the vacuum state.Our results show that the system state will evolve to a squeezed coherent state under the effect of external source.We find that the squeezing amplitude parameter is relative to the parameters of circuit and the mutual-inductance coefficient in the existence of dissipation.When the circuit has no dissipation or there is complete coupling between two meshes,the squeezing amplitude parameter only depends on the capacitance's ratio.