Dark photon dark matter from charged inflaton

被引：14
作者：
Firouzjahi, Hassan [1 ]
Gorji, Mohammad Ali [2 ]
Mukohyama, Shinji [2 ,3 ]
Salehian, Borna [1 ]
机构：
[1] Inst Res Fundamental Sci IPM, Sch Astron, POB 19395-5531, Tehran, Iran
[2] Kyoto Univ, Ctr Gravitat Phys, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan
[3] Univ Tokyo, Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 2021卷 / 06期
基金：
日本学术振兴会;
关键词：
Classical Theories of Gravity; Cosmology of Theories beyond the SM; FLUCTUATIONS;
D O I：
10.1007/JHEP06(2021)050
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We present a scenario of vector dark matter production during inflation containing a complex inflaton field which is charged under a dark gauge field and which has a symmetry breaking potential. As the inflaton field rolls towards the global minimum of the potential the dark photons become massive with a mass which can be larger than the Hubble scale during inflation. The accumulated energy of the quantum fluctuations of the produced dark photons gives the observed relic density of the dark matter for a wide range of parameters. Depending on the parameters, either the transverse modes or the longitudinal mode or their combination can generate the observed dark matter relic energy density.
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页数：24
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