A nanoscale photonic thermal transistor for sub-second heat flow switching

JW Lim, A Majumder, R Mittapally, AR Gutierrez… - Nature …, 2024 - nature.com
Control of heat flow is critical for thermal logic devices and thermal management and has
been explored theoretically. However, experimental progress on active control of heat flow …

Quantum coherence enables hybrid multitask and multisource regimes in autonomous thermal machines

K Hammam, G Manzano, G De Chiara - Physical Review Research, 2024 - APS
Nonequilibrium effects may have a profound impact on the performance of thermal devices
performing thermodynamic tasks such as refrigeration or heat pumping. The possibility of …

Controlling heat ratchet and flow reversal with simple networks

S Wang, C Zeng, G Zhu, H Wang, B Li - Physical Review Research, 2023 - APS
We investigate ratcheting heat flow in simple networks consisting of a one-dimensional
nonlinear chain with a self-coupled loop when the average thermal bias is zero. The effects …

Hybrid quantum thermal machines with dynamical couplings

F Cavaliere, L Razzoli, M Carrega, G Benenti… - Iscience, 2023 - cell.com
Quantum thermal machines can perform useful tasks, such as delivering power, cooling, or
heating. In this work, we consider hybrid thermal machines, that can execute more than one …

Stochastic model of noise for a quantum thermal transistor

UN Ekanayake, SD Gunapala, M Premaratne - Physical Review B, 2023 - APS
Our focus in this investigation lies in developing a noise model for a quantum thermal
transistor model inspired by its electronic counterpart, with the primary aim of establishing a …

Universal behavior of the coulomb-coupled fermionic thermal diode

S Ghosh, N Gupt, A Ghosh - Entropy, 2022 - mdpi.com
We propose a minimal model of a Coulomb-coupled fermionic quantum dot thermal diode
that can act as an efficient thermal switch and exhibit complete rectification behavior, even in …

Graph theoretic analysis of three-terminal quantum dot thermocouples: Onsager relations and spin-thermoelectric effects

N Gupt, S Ghosh, A Ghosh - Physical Review B, 2024 - APS
We introduce a simplified model for a three-terminal quantum thermocouple consisting of
two strongly coupled quantum dots. To elucidate spin-dependent Seebeck and Peltier …

Quantum thermal diode dominated by pure classical correlation via three triangular-coupled qubits

Y Yang, Y Liu, C Yu - Physical Review E, 2023 - APS
A quantum thermal diode is designed based on three pairwise coupled qubits, two
connected to a common reservoir and the other to an independent reservoir. It is found that …

Driving induced coherent quantum energy transport

X Cao, C Wang, D He - Physical Review B, 2023 - APS
Nonequilibrium energy flows in a driven quantum system coupled to two heat baths are
investigated to describe microscopic driven-dissipative processes, based on both a …

Improving performance of quantum heat engines using modified Otto cycle

BS Revathy, H Sharma… - Journal of Physics A …, 2024 - iopscience.iop.org
The efficiency of a quantum heat engine is maximum when the unitary strokes of the
quantum Otto cycle are adiabatic. On the other hand, this may not be always possible due to …