4.4 Article

Ultra-spinning Chow's black holes in six-dimensional gauged supergravity and their properties

期刊

JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -

出版社

SPRINGER
DOI: 10.1007/JHEP11(2021)031

关键词

Black Holes; Black Holes in String Theory

资金

  1. National Natural Science Foundation of China (NSFC) [11675130, 12075084]

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A novel class of ultra-spinning charged black hole solutions were constructed by using the ultra-spinning limit as a solution-generating trick from Chow's rotating charged black hole in six-dimensional N = 4 gauged supergravity theory. The thermodynamical properties were investigated and it was shown that the behavior can vary between sub-entropic and super-entropic depending on the parameters, which is different from other black holes.
By taking the ultra-spinning limit as a simple solution-generating trick, a novel class of ultra-spinning charged black hole solutions has been constructed from Chow's rotating charged black hole with two equal-charge parameters in six-dimensional N = 4 gauged supergravity theory. We investigate their thermodynamical properties and then demonstrate that all thermodynamical quantities completely obey both the differential first law and the Bekenstein-Smarr mass formula. For the six-dimensional ultra-spinning Chow's black hole with only one rotation parameter, we show that it does not always obey the reverse isoperimetric inequality, thus it can be either sub-entropic or super-entropic, depending upon the ranges of the mass parameter and especially the charge parameter. This property is obviously different from that of the six-dimensional singly-rotating Kerr-AdS super-entropic black hole, which always strictly violates the RII. For the six-dimensional doubly-rotating Chow's black hole but ultra-spinning only along one spatial axis, we point out that it may also obey or violate the RII, and can be either super-entropic or sub-entropic in general.

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