相对论性暗物质标量场的玻色-爱因斯坦凝聚
Bose-Einstein condensation of relativistic Scalar Field Dark Matter
摘要:
利用理想玻色气体的标准理论结果,研究了在标量场暗物质模型中玻色-爱因斯坦凝聚体的可能形成,主要假设是玻色粒子在早期宇宙中处于热平衡状态。然后,它表明,唯一相关的情况下需要的粒子和反粒子的存在下,它对应于模型中的玻色子粒子是非常轻的。与常识相反,凝聚态应该是一种相对论现象。一些宇宙学的影响依次讨论。
英文摘要:
Standard thermodynamical results of ideal Bose gases are used to study the possible formation of a cosmological Bose-Einstein condensate in Scalar Field Dark Matter models; the main hypothesis is that the boson particles were in thermal equilibrium in the early Universe. It is then shown that the only relevant case needs the presence of both particles and anti-particles, and that it corresponds to models in which the bosonic particle is very light. Contrary to common wisdom, the condensate should be a relativistic phenomenon. Some cosmological implications are discussed in turn.
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