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Magneto-strain driven quantum engine on a graphene flake
Author(s): E. Muñoz; F. J. Peña
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Paper 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.

Paper Details

Date Published: 26 September 2016
PDF: 14 pages
Proc. SPIE 9931, Spintronics IX, 99313M (26 September 2016); doi: 10.1117/12.2239159
Show Author Affiliations
E. Muñoz, Pontificia Univ. Católica de Chile (Chile)
F. J. Peña, Pontificia Univ. Católica de Valparaíso (Chile)

Published in SPIE Proceedings Vol. 9931:
Spintronics IX
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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