عنوان مجله
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Advances in High Energy Physics
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چکیده
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By applying the unified first law of thermodynamics on the apparent horizon of FRWuniverse, we get the entropy relation for the
apparent horizon in quasi-topological gravity theory. Throughout the paper, the results of considering the Hayward-Kodama and
Cai-Kimtemperatures are also addressed. Our study shows that whenever there is no energy exchange between the various parts of
cosmos, we can get an expression for the apparent horizon entropy in quasi-topological gravity, which is in agreement with other
attempts that followed different approaches.Theeffects of amutual interaction between the various parts of cosmos on the apparent
horizon entropy as well as the validity of second law of thermodynamics in quasi-topological gravity are perused.
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