Spontaneous electric multipole emission in a condensed medium and toroidal moments

被引:5
|
作者
Tkalya, EV [1 ]
机构
[1] Moscow MV Lomonosov State Univ, Inst Nucl Phys, RU-119899 Moscow, Russia
来源
PHYSICAL REVIEW A | 2002年 / 65卷 / 02期
关键词
D O I
10.1103/PhysRevA.65.022504
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The contribution of toroidal moments to the spontaneous electric emission in a continuous homogeneous nonabsorbing condensed medium is calculated. The probability of toroidal emission of multipolarity L depends on dielectric and magnetic constants as f(L)(2)(epsilon)epsilon(L+3/2)mu(L+5/2), where f(L)(epsilon) is the local-field factor. The linear refractive-index dependence of the spontaneous emission probability for electric-dipole transitions in dielectrics in the real cavity model transforms to an n(5) dependence in the range ngreater than or similar to1/omegaa(B).
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页数:5
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