Energy dynamics, heat production and heat–work conversion with qubits: toward the development of quantum machines

L Arrachea - Reports on Progress in Physics, 2023 - iopscience.iop.org
We present an overview of recent advances in the study of energy dynamics and
mechanisms for energy conversion in qubit systems with special focus on realizations in …

Semi-classical generalized Langevin equation for equilibrium and nonequilibrium molecular dynamics simulation

JT Lü, BZ Hu, P Hedegård, M Brandbyge - Progress in Surface Science, 2019 - Elsevier
Molecular dynamics (MD) simulation based on Langevin equation has been widely used in
the study of structural, thermal properties of matter in different phases. Normally, the atomic …

Geometric properties of adiabatic quantum thermal machines

B Bhandari, PT Alonso, F Taddei, F Von Oppen… - Physical Review B, 2020 - APS
We present a general unified approach for the study of quantum thermal machines,
including both heat engines and refrigerators, operating under periodic adiabatic driving …

Enhanced energy harvesting near exceptional points in systems with (pseudo-) PT-symmetry

LJ Fernández-Alcázar, R Kononchuk… - Communications …, 2021 - nature.com
Exceptional point degeneracies, occurring in non-Hermitian systems, have challenged many
well established concepts and led to the development of remarkable technologies. Here, we …

A dynamical model for Brownian molecular motors driven by inelastic electron tunneling

FD Ribetto, SE Deghi, HL Calvo… - The Journal of Chemical …, 2022 - pubs.aip.org
In recent years, several artificial molecular motors driven and controlled by electric currents
have been proposed. Similar to Brownian machines, these systems work by turning random …

Role of coherence in quantum-dot-based nanomachines within the Coulomb blockade regime

FD Ribetto, RA Bustos-Marún, HL Calvo - Physical Review B, 2021 - APS
During the last decades, quantum dots within the Coulomb blockade regime of transport
have been proposed as essential building blocks for a wide variety of nanomachines. This …

Mechanical transmission of rotational motion between molecular-scale gears

HH Lin, A Croy, R Gutierrez, C Joachim, G Cuniberti - Physical Review Applied, 2020 - APS
The manipulation and coupling of molecule gears is the first step toward realizing molecular-
scale mechanical machines. Here, we theoretically investigate the behavior of such gears …

Thermodynamics and steady state of quantum motors and pumps far from equilibrium

RA Bustos-Marún, HL Calvo - Entropy, 2019 - mdpi.com
In this article, we briefly review the dynamical and thermodynamical aspects of different
forms of quantum motors and quantum pumps. We then extend previous results to provide …

Real-time diagrammatic approach to current-induced forces: Application to quantum-dot based nanomotors

HL Calvo, FD Ribetto, RA Bustos-Marún - Physical Review B, 2017 - APS
In recent years there has been increasing excitement regarding nanomotors and particularly
current-driven nanomotors. Despite the broad variety of stimulating results found, the regime …

Interacting adiabatic quantum motor

A Bruch, SV Kusminskiy, G Refael, F von Oppen - Physical Review B, 2018 - APS
We present a field-theoretic treatment of an adiabatic quantum motor. We explicitly discuss a
motor called the Thouless motor which is based on a Thouless pump operating in reverse …