- Letter
Quantum heat engine based on a spin-orbit- and Zeeman-coupled Bose-Einstein condensate
Phys. Rev. A 106, L030201 – Published 27 September, 2022
DOI: https://doi.org/10.1103/PhysRevA.106.L030201
Abstract
We explore the potential of a spin-orbit-coupled Bose-Einstein condensate for thermodynamic cycles. For this purpose we propose a quantum heat engine based on a condensate with spin-orbit and Zeeman coupling as a working medium. The cooling and heating are simulated by contacts of the condensate with an external magnetized media and demagnetized media. We examine the condensate ground-state energy and its dependence on the strength of the synthetic spin-orbit and Zeeman couplings and interatomic interaction. Then we study the efficiency of the proposed engine. The cycle has a critical value of spin-orbit coupling related to the engine's maximum efficiency.