Trapped-atom Otto engine with light-induced dipole-dipole interactions
arXiv:2401.15928 · doi:10.1088/1367-2630/ad7c74
Abstract
Finite-time quantum heat engines are of practical relevance as they can generate finite-power, distinguishing them from ideal quasistatic engines typically used for theoretical purposes. However, these engines encounter energy losses due to quantum friction, which is particularly pronounced in many-body systems with non-trivial coherences in their density operator. Strategies such as shortcuts to adiabaticity and fast routes to thermalization have been developed although the associated cost requirements remain uncertain. In this study, we theoretically investigate the finite-time operation of a trapped-atom Otto engine with light-induced dipole-dipole interactions and projection measurements in one of the isochoric processes. The investigation reveals that appropriate control of dipole-dipole interactions of the working medium prompts engine operation upon interacting with the hot reservoir, while projection measurements and adjustment of the unitary driving protocols effectively reduce quantum friction to enhance finite-time engine performance compared to non-interacting and quasi-static counterparts. This setup presents a compelling avenue for further investigation of finite-time many-body quantum heat engines and provides an opportunity to explore the full potential of photon-mediated dipole-dipole interactions in their operations.
References in corpus (17)
- Many-Body Physics with Individually-Controlled Rydberg Atoms
- Cold atoms in cavity-generated dynamical optical potentials
- Quantum Thermodynamic Cycles and quantum heat engines
- Second Law of Thermodynamics with Discrete Quantum Feedback Control
- Experimental Test of Quantum Jarzynski Equality with a Trapped Ion System
- Cooling a single atom in an optical tweezer to its quantum ground state
- Quantum thermodynamic devices: from theoretical proposals to experimental reality
- Irreversible work and inner friction in quantum thermodynamic processes
- Dynamical Control of Quantum Heat Engines Using Exceptional Points
- Quantum Otto cycle with inner friction: finite-time and disorder effects
- A photonic quantum engine driven by superradiance
- Measurement-induced operation of two-ion quantum heat machines
- Finite-time performance of a single-ion quantum Otto engine
- A finite-time quantum Otto engine with tunnel coupled one-dimensional Bose gases
- Measurement-based quantum Otto engine with a two-spin system coupled by anisotropic interaction: enhanced efficiency at finite times
- Nonadiabatic coupled-qubit Otto cycle with bidirectional operation and efficiency gains
- Superior dark-state cooling via nonreciprocal couplings in trapped atoms