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热力学第二定律对广义f(R)引力模型的限制The Constraints on the Generalized f(R) Gravitational Model by the Generalized Second Law of Thermodynamics
赵月月, 覃艳艳, 冯立军, 李红
f(R)引力, 耦合, 热力学f(R) Gravity, Coupling, Thermodynamics
《Astronomy and Astrophysics》, Vol.4 No.2, 2016-05-30
The generalized f(R) gravity with curvature-matter coupling is studied in this paper. The genera-lized second law of thermodynamics (GSL) can be given by considering the FRW universe filled only with ordinary matter enclosed by the dynamical apparent horizon with the Hawking temperature. Furthermore, as a concrete example, by utilizing the GSL, the constraints on the gravitational model are also discussed.