Nonstationary Casimir effect in cavities with two resonantly coupled modes

被引：37

作者：

Dodonov, AV ^{[1
]}

Dodonov, VV ^{[1
]}

机构：

[1] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil

来源：

PHYSICS LETTERS A | 2001年 / 289卷 / 06期

关键词：

dynamical Casimir effect; vibrating boundary; parametric resonance; coupled modes; squeezing; photon distribution;

D O I：

10.1016/S0375-9601(01)00626-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the peculiarities of the nonstationary Casimir effect (creation of photons in cavities with moving boundaries) in the special case of two resonantly coupled modes with frequencies omega (0) and (3 + Delta)omega (0) parametrically excited due to small amplitude oscillations of the ideal cavity wall at the frequency 2 omega (0)(1 + delta) (with \ delta \, \ Delta \ much less than 1). The effects of thermally induced oscillations in time dependences of the mean numbers of created photons and the exchange of quantum purities between the modes are discovered, Squeezing and photon distributions in each modes are calculated for initial vacuum and thermal states. A possibility of compensation of detunings is shown. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：291 / 300

页数：10

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