Holographic Heat engine within the framework of massive gravity
Jie-Xiong Mo, Gu-Qiang Li

TL;DR
This paper constructs heat engine models within massive gravity, showing that graviton mass can significantly enhance efficiency, especially in four-dimensional charged black holes, and explores the effects of various parameters on efficiency in different dimensions.
Contribution
It introduces a novel analysis of heat engine efficiency in massive gravity, highlighting the impact of graviton mass and potential parameters on thermodynamic performance.
Findings
Massive gravity increases heat engine efficiency in four-dimensional charged black holes.
Efficiency can reach up to 0.9219 with massive gravity, compared to 0.5014 without.
In five dimensions, parameters like c_1, c_2, c_3, and m^2 influence efficiency.
Abstract
Heat engine models are constructed within the framework of massive gravity in this paper. For the four-dimensional charged black holes in massive gravity, it is shown that the heat engines have a higher efficiency for the cases than for the case when . Considering a specific example, we show that the maximum efficiency can reach while the efficiency for reads . The existence of graviton mass improves the heat engine efficiency significantly. The situation is more complicated for the five-dimensional neutral black holes. Not only the exert influence on the efficiency, but also the constant corresponding to the third massive potential contributes to the efficiency. When , the heat engine efficiency of the cases is higher than that of the case . By studying the ratio , we…
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