Thermodynamical Study of FRW Universe in Quasi-Topological Theory
By applying the unified first law of thermodynamics on the apparent horizon of FRW universe, 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-Kim temperatures are also addressed. Our...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2016/7248520 |
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| author | H. Moradpour R. Dehghani |
| author_facet | H. Moradpour R. Dehghani |
| author_sort | H. Moradpour |
| collection | DOAJ |
| description | By applying the unified first law of thermodynamics on the apparent horizon of FRW universe, 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-Kim temperatures 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. The effects of a mutual 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. |
| format | Article |
| id | doaj-art-8d97e0576717403e9e77dfda5890f864 |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-8d97e0576717403e9e77dfda5890f8642025-02-03T05:51:59ZengWileyAdvances in High Energy Physics1687-73571687-73652016-01-01201610.1155/2016/72485207248520Thermodynamical Study of FRW Universe in Quasi-Topological TheoryH. Moradpour0R. Dehghani1Research Institute for Astronomy and Astrophysics of Maragha (RIAAM), P.O. Box 55134-441, Maragha, IranResearch Institute for Astronomy and Astrophysics of Maragha (RIAAM), P.O. Box 55134-441, Maragha, IranBy applying the unified first law of thermodynamics on the apparent horizon of FRW universe, 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-Kim temperatures 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. The effects of a mutual 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.http://dx.doi.org/10.1155/2016/7248520 |
| spellingShingle | H. Moradpour R. Dehghani Thermodynamical Study of FRW Universe in Quasi-Topological Theory Advances in High Energy Physics |
| title | Thermodynamical Study of FRW Universe in Quasi-Topological Theory |
| title_full | Thermodynamical Study of FRW Universe in Quasi-Topological Theory |
| title_fullStr | Thermodynamical Study of FRW Universe in Quasi-Topological Theory |
| title_full_unstemmed | Thermodynamical Study of FRW Universe in Quasi-Topological Theory |
| title_short | Thermodynamical Study of FRW Universe in Quasi-Topological Theory |
| title_sort | thermodynamical study of frw universe in quasi topological theory |
| url | http://dx.doi.org/10.1155/2016/7248520 |
| work_keys_str_mv | AT hmoradpour thermodynamicalstudyoffrwuniverseinquasitopologicaltheory AT rdehghani thermodynamicalstudyoffrwuniverseinquasitopologicaltheory |