Holographic Heat Engines as Quantum Heat Engines
arXiv:1905.09399 · doi:10.1088/1361-6382/ab5ba9
Abstract
Certain solutions of Einstein's equations in anti-de Sitter spacetime can be engineered, using extended gravitational thermodynamics, to yield `holographic heat engines', devices that turn heat into useful mechanical work. On the other hand, there are constructions (both experimental and theoretical) where a series of operations is performed on a small quantum system, defining what are known as `quantum heat engines'. We propose that certain holographic heat engines can be considered models of quantum heat engines, and the possible fruitfulness of this connection is discussed. Motivated by features of quantum heat engines that take a quantum system through analogues of certain classic thermodynamic cycles, some black hole Otto and Diesel cycles are presented and explored for the first time. In the expected regime of overlap, our Otto efficiency formulae are of the form exhibited by quantum and classical heat engines.
arXiv comment24 pages, multiple figures, 1 trumpet
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- Higher-dimensional origin of extended black hole thermodynamics
- A Microscopic Description of Thermodynamic Volume in Extended Black Hole Thermodynamics
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