26 September 2016 Magneto-strain driven quantum engine on a graphene flake
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Abstract
A novel proof of principle prototype for a quantum heat engine is proposed, based on the quasi-static tuning of an external magnetic field, in combination with controlled mechanical strain applied to a single graphene flake. The "working fluid" of this engine is composed by a statistical ensemble of Dirac quasiparticles in Landau levels. The cyclic operation of the engine, whose intermediate states are described through a density matrix, is discussed in detail, and its thermodynamic efficiency is calculated in the quasi-static limit.
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E. Muñoz, E. Muñoz, F. J. Peña, F. J. Peña, } "Magneto-strain driven quantum engine on a graphene flake", Proc. SPIE 9931, Spintronics IX, 99313M (26 September 2016); doi: 10.1117/12.2239159; https://doi.org/10.1117/12.2239159
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