DGP膜世界中引力诱导粒子产生的热力学
Thermodynamics of Gravitationally Induced Particle Creation Scenario in DGP Braneworld
摘要：
本文在DGP膜世界模型的框架下讨论了引力诱导粒子产生的理论分析。为此目的，我们认为视视界是宇宙的边界。我们选取了三种熵：Bakenstein熵、对数修正熵和幂律修正熵，它们都具有通常的产生率$Γ$。我们分析了第一定律和广义热力学第二定律的分析，这些熵在一定的约束条件下举行。讨论了各种情况下总熵的变化规律，说明了广义热力学第二定律的正确性。此外，我们还检验了创造率两个阶段的热力学平衡条件，即常数和变量$Γ$，并发现它在所有熵的情况下都是有效的。
英文摘要：
In this paper, we discuss the thermodynamical analysis for gravitationally induced particle creation scenario in the framework of DGP braneworld model. For this purpose, we consider apparent horizon as the boundary of the universe. We take three types of entropy such as Bakenstein entropy, logarithmic corrected entropy and power law corrected entropy with ordinary creation rate $Γ$. We analyze the first law and generalized second law of thermodynamics analytically for these entropies which hold under some constraints. The behavior of total entropy in each case is also discussed which implies the validity of generalized second law of thermodynamics. Also, we check the thermodynamical equilibrium condition for two phases of creation rate, that is constant and variable $Γ$ and found its validity in all cases of entropy.
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