Joule-Thomson expansion of neutral AdS black holes in massive gravity

Effects of graviton mass on the Joule-Thomson expansion process of neutral AdS black holes in four dimensional spacetime is studied within the extended phase space. For m=0, there are no inversion curves and the whole P−T plane with M>0 is the cooling region. While for m≠0, the properties of the...

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Main Author: Shan-Quan Lan
Format: Article
Language:English
Published: Elsevier 2019-11-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321319302731
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author Shan-Quan Lan
author_facet Shan-Quan Lan
author_sort Shan-Quan Lan
collection DOAJ
description Effects of graviton mass on the Joule-Thomson expansion process of neutral AdS black holes in four dimensional spacetime is studied within the extended phase space. For m=0, there are no inversion curves and the whole P−T plane with M>0 is the cooling region. While for m≠0, the properties of the Joule-Thomson expansion are found to be controlled by a combined parameter k+c2m2. When k+c2m2>0, we analytically obtain the inversion curves T˜(P˜) where the Joule-Thomson coefficients are zero. They separate the P−T plane into the heating region (left side) and cooling region (right side). The position of the heating region and cooling region in P−T plane are in contrast to those of the van der Waals system. The inversion curve contains two branches, one with positive slope and the other with negative slope. This feature is found for the first time in the black hole system and is similar with that of the van der Waals system. When k+c2m2=0, the inversion curve is a straight line, above which is the cooling region and below which is a region with M<0. When k+c2m2<0, there are no inversion curves and the whole P−T plane with M>0 is the cooling region.
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spelling doaj.art-4b66405f5d3f422f894b0fb3e1b7ae012022-12-21T18:18:32ZengElsevierNuclear Physics B0550-32132019-11-01948Joule-Thomson expansion of neutral AdS black holes in massive gravityShan-Quan Lan0Department of Physics, Lingnan Normal University, Zhanjiang, 524048, Guangdong, ChinaEffects of graviton mass on the Joule-Thomson expansion process of neutral AdS black holes in four dimensional spacetime is studied within the extended phase space. For m=0, there are no inversion curves and the whole P−T plane with M>0 is the cooling region. While for m≠0, the properties of the Joule-Thomson expansion are found to be controlled by a combined parameter k+c2m2. When k+c2m2>0, we analytically obtain the inversion curves T˜(P˜) where the Joule-Thomson coefficients are zero. They separate the P−T plane into the heating region (left side) and cooling region (right side). The position of the heating region and cooling region in P−T plane are in contrast to those of the van der Waals system. The inversion curve contains two branches, one with positive slope and the other with negative slope. This feature is found for the first time in the black hole system and is similar with that of the van der Waals system. When k+c2m2=0, the inversion curve is a straight line, above which is the cooling region and below which is a region with M<0. When k+c2m2<0, there are no inversion curves and the whole P−T plane with M>0 is the cooling region.http://www.sciencedirect.com/science/article/pii/S0550321319302731
spellingShingle Shan-Quan Lan
Joule-Thomson expansion of neutral AdS black holes in massive gravity
Nuclear Physics B
title Joule-Thomson expansion of neutral AdS black holes in massive gravity
title_full Joule-Thomson expansion of neutral AdS black holes in massive gravity
title_fullStr Joule-Thomson expansion of neutral AdS black holes in massive gravity
title_full_unstemmed Joule-Thomson expansion of neutral AdS black holes in massive gravity
title_short Joule-Thomson expansion of neutral AdS black holes in massive gravity
title_sort joule thomson expansion of neutral ads black holes in massive gravity
url http://www.sciencedirect.com/science/article/pii/S0550321319302731
work_keys_str_mv AT shanquanlan joulethomsonexpansionofneutraladsblackholesinmassivegravity