Related papers: Performance optimization of a finite-time quantum tricycle

Performance optimization of a finite-time quantum tricycle

URL: http://arxiv.org/abs/2407.02735v1
Date: Wed, 3 Jul 2024 01:19:03 GMT
Title: Performance optimization of a finite-time quantum tricycle
Authors: Jingyi Chen, Shihao Xia, Jincan Chen, Shanhe Su,
Abstract summary: We establish a finite-time external field-driven quantum tricycle model. We optimize the cooling performance of the tricycle by considering the cooling rate and the figure of merit.
Score: 2.882787981967745
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: We establish a finite-time external field-driven quantum tricycle model. Within the framework of slow driving perturbation, the perturbation expansion of heat in powers of time can be derived during the heat exchange processes. Employing the method of Lagrange multiplier, we optimize the cooling performance of the tricycle by considering the cooling rate and the figure of merit, which is the product of the coefficient of performance and cooling rate, as objective functions. Our findings reveal the optimal operating region of the tricycle, shedding light on its efficient performance.

Related papers

Exploring the Optimal Cycle for Quantum Heat Engine using Reinforcement Learning [5.128039456682052]
This study employs reinforcement learning to output the optimal cycle of quantum heat engine. The soft actor-critic algorithm is adopted to optimize the cycle of three-level coherent quantum heat engine.
arXiv Detail & Related papers (2023-08-13T15:43:33Z)
Performance improvement of a fractional quantum Stirling heat engine [0.0]
We incorporate fractional quantum mechanics into the cycle of a quantum Stirling heat engine. We examine the influence of fractional parameter on the regeneration and efficiency.
arXiv Detail & Related papers (2023-05-18T03:28:41Z)
Efficiency at maximum power of a Carnot quantum information engine [68.8204255655161]
We introduce a finite-time Carnot cycle for a quantum information engine and optimize its power output in the regime of low dissipation. We investigate the optimal performance of a qubit information engine subjected to weak energy measurements.
arXiv Detail & Related papers (2023-01-31T11:18:12Z)
Powerful ordered collective heat engines [58.720142291102135]
We introduce a class of engines in which the regime of units operating synchronously can boost the performance. We show that the interplay between Ising-like interactions and a collective ordered regime is crucial to operate as a heat engine.
arXiv Detail & Related papers (2023-01-16T20:14:19Z)
Universal optimization efficiency and bounds of Carnot-like heat engines and refrigerators under shortcuts to isothermality [14.447246922181003]
We derive the universal optimization efficiency of heat engines and the optimization of performance of refrigerators under two unified optimization criterions. We also derived the universal lower and upper bounds for heat engines and refrigerators, and found that these bounds can be reached under extremely asymmetric cases.
arXiv Detail & Related papers (2022-11-02T02:23:24Z)
Performance analysis of quantum harmonic Otto engine and refrigerator under a trade-off figure of merit [1.8581130088826077]
We investigate the optimal performance of quantum Otto engine and refrigeration cycles under a trade-off figure of merit. For heat engine, the chosen trade-off figure of merit is an objective function defined by the product of efficiency (coefficient of performance) and work output (cooling load) We show that the trade-off objective functions have desirable operation only for the adiabatic driving whereas for the sudden switch operation, the choice of a trade-off objective function does not make much difference.
arXiv Detail & Related papers (2022-07-07T15:28:18Z)
The quantum Otto cycle in a superconducting cavity in the non-adiabatic regime [62.997667081978825]
We analyze the efficiency of the quantum Otto cycle applied to a superconducting cavity. It is shown that, in a non-adiabatic regime, the efficiency of the quantum cycle is affected by the dynamical Casimir effect.
arXiv Detail & Related papers (2021-11-30T11:47:33Z)
Thermodynamics of a minimal algorithmic cooling refrigerator [0.0]
We analytically compute the coefficient of performance, the cooling power and the polarization of the target qubit for an arbitrary number of cycles. We show that these values may be experimentally approached using a system of three qubits in a nitrogen-vacancy center in diamond.
arXiv Detail & Related papers (2021-09-28T21:32:23Z)
Collective effects on the performance and stability of quantum heat engines [62.997667081978825]
Recent predictions for quantum-mechanical enhancements in the operation of small heat engines have raised renewed interest. One essential question is whether collective effects may help to carry enhancements over larger scales. We study how power, efficiency and constancy scale with the number of spins composing the engine.
arXiv Detail & Related papers (2021-06-25T18:00:07Z)
Maximal power for heat engines: role of asymmetric interaction times [110.83289076967895]
We introduce the idea of adjusting the interaction time asymmetry in order to optimize the engine performance. Distinct optimization protocols are analyzed in the framework of thermodynamics.
arXiv Detail & Related papers (2020-12-16T22:26:14Z)
Adiabatic Sensing Technique for Optimal Temperature Estimation using Trapped Ions [64.31011847952006]
We propose an adiabatic method for optimal phonon temperature estimation using trapped ions. The relevant information of the phonon thermal distributions can be transferred to the collective spin-degree of freedom. We show that each of the thermal state probabilities is adiabatically mapped onto the respective collective spin-excitation configuration.
arXiv Detail & Related papers (2020-12-16T12:58:08Z)

This list is automatically generated from the titles and abstracts of the papers in this site.