Thermodynamic approach to holographic dark energy and the Rényi entropy
Abstract Using the first law of thermodynamics, we propose a relation between the system entropy (S) and its IR (L) and UV ($$\Lambda $$ Λ ) cutoffs. In addition, applying this relation to the apparent horizon of flat FRW universe, whose entropy meets the Rényi entropy, a new holographic dark energy...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-10-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-018-6309-8 |
| _version_ | 1818109007779332096 |
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| author | H. Moradpour S. A. Moosavi I. P. Lobo J. P. Morais Graça A. Jawad I. G. Salako |
| author_facet | H. Moradpour S. A. Moosavi I. P. Lobo J. P. Morais Graça A. Jawad I. G. Salako |
| author_sort | H. Moradpour |
| collection | DOAJ |
| description | Abstract Using the first law of thermodynamics, we propose a relation between the system entropy (S) and its IR (L) and UV ($$\Lambda $$ Λ ) cutoffs. In addition, applying this relation to the apparent horizon of flat FRW universe, whose entropy meets the Rényi entropy, a new holographic dark energy model is addressed. Thereinafter, the evolution of the flat FRW universe, filled by a pressureless source and the obtained dark energy candidate, is studied. In our model, there is no mutual interaction between the cosmos sectors. We find out that the obtained model is theoretically powerful to explain the current accelerated phase of the universe. This result emphasizes that the generalized entropy formalism is suitable for describing systems including the long-range interactions such as gravity. |
| first_indexed | 2024-12-11T02:24:25Z |
| format | Article |
| id | doaj.art-80acb94c9f944540b1bbe15df66aac20 |
| institution | Directory Open Access Journal |
| issn | 1434-6044 1434-6052 |
| language | English |
| last_indexed | 2024-12-11T02:24:25Z |
| publishDate | 2018-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-80acb94c9f944540b1bbe15df66aac202022-12-22T01:23:58ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522018-10-0178101610.1140/epjc/s10052-018-6309-8Thermodynamic approach to holographic dark energy and the Rényi entropyH. Moradpour0S. A. Moosavi1I. P. Lobo2J. P. Morais Graça3A. Jawad4I. G. Salako5Research Institute for Astronomy and Astrophysics of Maragha (RIAAM)Research Institute for Astronomy and Astrophysics of Maragha (RIAAM)Departamento de Física, Universidade Federal da ParaíbaDepartamento de Física, Universidade Federal da ParaíbaDepartment of Mathematics, COMSATS University IslamabadInstitut de Mathématiques et de Sciences Physiques (IMSP)Abstract Using the first law of thermodynamics, we propose a relation between the system entropy (S) and its IR (L) and UV ($$\Lambda $$ Λ ) cutoffs. In addition, applying this relation to the apparent horizon of flat FRW universe, whose entropy meets the Rényi entropy, a new holographic dark energy model is addressed. Thereinafter, the evolution of the flat FRW universe, filled by a pressureless source and the obtained dark energy candidate, is studied. In our model, there is no mutual interaction between the cosmos sectors. We find out that the obtained model is theoretically powerful to explain the current accelerated phase of the universe. This result emphasizes that the generalized entropy formalism is suitable for describing systems including the long-range interactions such as gravity.http://link.springer.com/article/10.1140/epjc/s10052-018-6309-8 |
| spellingShingle | H. Moradpour S. A. Moosavi I. P. Lobo J. P. Morais Graça A. Jawad I. G. Salako Thermodynamic approach to holographic dark energy and the Rényi entropy European Physical Journal C: Particles and Fields |
| title | Thermodynamic approach to holographic dark energy and the Rényi entropy |
| title_full | Thermodynamic approach to holographic dark energy and the Rényi entropy |
| title_fullStr | Thermodynamic approach to holographic dark energy and the Rényi entropy |
| title_full_unstemmed | Thermodynamic approach to holographic dark energy and the Rényi entropy |
| title_short | Thermodynamic approach to holographic dark energy and the Rényi entropy |
| title_sort | thermodynamic approach to holographic dark energy and the renyi entropy |
| url | http://link.springer.com/article/10.1140/epjc/s10052-018-6309-8 |
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