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Chinese journal of atomic and molecular physics

Sum squeezing in the interaction between two coupled two-level atoms and two-mode vacuum field

Hou Bang-pin

Published Jan 1, 2002• 0 citations
OpenAlex

Abstract

We study sum squeezing in the interaction between two coupled atoms and two-mode vacuum field. The influences of the initial atomic coherence and atomic coupling constant on the squeezing are discussed.

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We discuss the effects of the initial atomic coherent factors (including the phase and the distribution parameter) and the dipole-dipole interaction on the sum and two-atom dipole squeezing in the system. The results show that the maximum squeezing in both cases is determined by the phase and the distribution parameter and the duration of squeezing becomes longer by strengthening the dipole-dipole interaction. In addition, the comparison of the two types of squeezing shows that one type of squeezing is obtained at the expense of increased fluctuations in the other squeezing function.
We discuss the effects of the initial atomic coherent factors (including the phase and the distribution parameter) and the dipole-dipole interaction on the sum and two-atom dipole squeezing in the system.The results show that the maximum squeezing in both cases is determined by the phase and the distribution parameter,and the duration of squeezing becomes longer by strengthening the dipole-dipole interaction.In addition,the comparison of the two types of squeezing shows that one type of squeezing is obtained at the expense of increased fluctuations in the other squeezing function.