Photon mass from inflation -: art. no. 101301

被引：123
|
作者：
Prokopec, T
Törnkvist, O
Woodard, R
机构：
[1] Univ Heidelberg, Inst Theoret Phys, D-69120 Heidelberg, Germany
[2] Univ London Imperial Coll Sci Technol & Med, Theoret Phys Grp, London SW7 2BZ, England
[3] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 10期
关键词：
D O I：
10.1103/PhysRevLett.89.101301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider vacuum polarization from massless scalar electrodynamics in de Sitter inflation. The theory exhibits a 3+1 dimensional analog of the Schwinger mechanism in which a photon mass is dynamically generated. The mechanism is generic for light scalar fields that couple minimally to gravity. The nonvanishing of the photon mass during inflation may result in magnetic fields on cosmological scales.
引用
收藏
页码：101301 / 101301
页数：4
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