Azimi, M.; Chotorlishvili, L.; Mishra, S.K.; Vekua, Teimuraz; Huebner, W.; Berakdar, J.
(Bristol : IOP Publishing Ltd., 2014-06-12)
We study a quantum Otto engine operating on the basis of a helical spin-1/2 multiferroic chain with strongly coupled magnetic and ferroelectric order parameters. The presence of a finite spin chirality in the working ...