Dicke superradiance, Bose-Einstein condensation of photons and spontaneous symmetry breaking

被引：0
|
作者：
Vyas, Vivek M. [1 ]
Panigrahi, Prasanta K. [2 ]
Srinivasan, V [3 ]
机构：
[1] Indian Inst Informat Technol Vadodara, Govt Engn Coll, Sect 28, Gandhinagar 382028, India
[2] Indian Inst Sci Educ & Res IISER Kolkata, Mohanpur 741246, Nadia, India
[3] Univ Madras, Dept Theoret Phys, Guindy Campus, Chennai 600025, Tamil Nadu, India
来源：
EUROPEAN PHYSICAL JOURNAL PLUS | 2022年 / 137卷 / 07期
关键词：
PHASE-TRANSITION;
D O I：
10.1140/epjp/s13360-022-03047-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is shown that the phenomenon of Dicke superradiance essentially occurs due to spontaneous symmetry breaking. Two generalised versions of the Dicke model are studied, and compared with a model that describes photonic Bose-Einstein condensate, which was experimentally realised sometime back. In all the models, it is seen that the occurrence of spontaneous symmetry breaking is responsible for coherent radiation emission.
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页数：7
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