作为广义超流激发的暗能量
Dark energy as generalised superfluid excitations
摘要：
在本文中，我们提出了一个通用形式的宇宙状态方程推导出的统计力学的形式，假设宇宙加速的情况下，可以解释为一个系统的准粒子。通过考虑一个广义的超流性的方法，其中的能谱可以通过一个参数$s$调制，一个负的状态方程出现作为与\textit{exotic}超流系统相关的激发。我们发现，对于$s\sim 0.293$，$w\simeq-1$，这可以与$Λ$ CDM模型的标准状态方程。
英文摘要：
In this paper we present a generic form of the cosmological Equation of State derived from the formalism of Statistical Mechanics, assuming that a cosmic acceleration scenario can be interpreted as a system of quasi-particles. By considering a generalised superfluidity approach, in which the energy spectrum can be modulated via a parameter $s$, a negative equation of state arises as excitations associated with an \textit{exotic} superfluid system. We show that for $s\sim 0.293$, $w\simeq-1$, which can be related to the standard equation of state for the $Λ$CDM model.
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