Renormalization-group approach to the dynamical Casimir effect

被引：51

作者：

Dalvit, DAR ^{[1
]}

Mazzitelli, FD ^{[1
]}

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, RA-1428 Buenos Aires, DF, Argentina

来源：

PHYSICAL REVIEW A | 1998年 / 57卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.57.2113

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we study the one-dimensional dynamical Casimir effect. We consider a one-dimensional cavity formed by two mirrors, one of which performs an oscillatory motion with a frequency resonant with the cavity. The naive solution, perturbative in powers of the amplitude, contains secular terms. Therefore it is valid only in the short time limit. Using a renormalization-group technique to resum these terms, we obtain an improved analytical solution which is valid for longer times. We discuss the generation of peaks in the density energy profile and show that the total energy inside the cavity increases exponentially.

引用

页码：2113 / 2119

页数：7

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