A quantum correlated heat engine based on the parity-deformed Jaynes–Cummings model: Achieving the classical Carnot efficiency by a local classical field

B Mojaveri, A Dehghani, Z Ahmadi - Physica Scripta, 2021 - iopscience.iop.org
We study a quantum heat engine (QHE) with a working medium described by a parity-
deformed Jaynes–Cummings (JC) model consisting of two identical two-level atoms …

Benchmarking quantum Stirling and Otto cycles for an interacting spin system

S Çakmak - Journal of the Optical Society of America B, 2022 - opg.optica.org
A properly selected quantum heat engine consumes resources efficiently. Also, there are
many parameters to determine the right option. In this study, we construct and compare the …

Inherent quantum resources in stationary spin chains

M Płodzień, J Chwedeńczuk, M Lewenstein - Physical Review A, 2025 - APS
The standard way to generate many-body quantum correlations is via a dynamical protocol:
an initial product state is transformed by interactions that generate nonclassical correlations …

Quantum entanglement in the anisotropic Heisenberg model with multicomponent DM and KSEA interactions

AV Fedorova, MA Yurischev - Quantum Information Processing, 2021 - Springer
Using group-theoretical approach, we found a family of four nine-parameter quantum states
for the two-spin-1/2 Heisenberg system in an external magnetic field and with multiple …

Optimized finite-time performance of endoreversible quantum Carnot machine working with a squeezed bath

H Liu, J He, J Wang - Journal of Applied Physics, 2022 - pubs.aip.org
We consider a quantum endoreversible Carnot engine cycle and its inverse operation–
Carnot refrigeration cycle, working between a hot bath of inverse temperature β h and a cold …

Constructing an entangled Unruh Otto engine and its efficiency

D Barman, BR Majhi - Journal of High Energy Physics, 2022 - Springer
A bstract Uniformly accelerated frame mimics a thermal bath whose temperature is
proportional to the proper acceleration. Using this phenomenon we give a detailed …

Construction of a quantum Stirling engine cycle tuned by dynamic-angle spinning

S Çakmak, HRR Sedehi - Physica Scripta, 2023 - iopscience.iop.org
In this contribution, we investigate two coupled spins as a working substance of the quantum
Stirling heat engine cycle. We propose an experimentally implementable scheme in which …

[HTML][HTML] Irreversible quantum Carnot cycle and its comparison with quantum Otto cycle

F Altintas - Physics Letters A, 2025 - Elsevier
A generic working substance that does not satisfy the scale-invariance property is
investigated for the irreversible quantum Carnot heat engine cycle. Two construction …

Finite-time two-spin quantum Otto engines: shortcuts to adiabaticity vs. irreversibility

B ÇAKMAK - Turkish Journal of Physics, 2021 - journals.tubitak.gov.tr
We propose a quantum Otto cycle in a two spin-1/2 anisotropic XY model in a transverse
external magnetic field. We first characterize the parameter regime that the working medium …

Different constructions and optimization of the irreversible quantum Carnot cycle

S Çakmak, F Altintas - The European Physical Journal Plus, 2021 - Springer
The irreversible Carnot cycle is designed, constructed and optimized for quantum systems
with non-scalable energy levels. In the cycle, the thermalization strokes are interpreted as …