Reservoir engineering for maximally efficient quantum engines
Taysa Mendes de Mendonça, Alexandre M. Souza, Rogério J. de Assis, N. G. de Almeida, Roberto S. Sarthour, Ivan S. Oliveira, Celso J. Villas-Bôas · Physical Review Research · 2020
The authors build artificial thermal baths at arbitrary temperatures for a single spin system and apply them to devise a cyclic quantum engine that operates under a single reservoir at negative effective temperature.