Thermodynamics of precision in Markovian open quantum dynamics

T Van Vu, K Saito - Physical review letters, 2022 - APS
The thermodynamic and kinetic uncertainty relations indicate trade-offs between the relative
fluctuation of observables and thermodynamic quantities such as dissipation and dynamical …

Experimental investigation of a quantum heat engine powered by generalized measurements

VF Lisboa, PR Dieguez, JR Guimarães, JFG Santos… - Physical Review A, 2022 - APS
Generalized measurements may allow the control of its back-action on the quantum system
by interpolating from a very weak to strong projective action. Such a measurement can fuel a …

Effect of measurement backaction on quantum clock precision studied with a superconducting circuit

X He, P Pakkiam, AA Gangat, MJ Kewming… - Physical Review …, 2023 - APS
We theoretically and experimentally study the precision of a quantum clock near zero
temperature, explicitly accounting for the effect of continuous measurement. The clock is …

Bounds on fluctuations for finite-time quantum Otto cycle

S Saryal, BK Agarwalla - Physical Review E, 2021 - APS
For quantum Otto engine driven quasistatically, we provide exact full statistics of heat and
work for a class of working fluids that follow a scale-invariant energy eigenspectra under …

Suppressing coherence effects in quantum-measurement-based engines

Z Lin, S Su, J Chen, J Chen, JFG Santos - Physical Review A, 2021 - APS
Recent advances in the study of thermodynamics of microscopic processes have driven the
search for new developments in energy converters utilizing quantum effects. Here we …

Exploring quasiprobability approaches to quantum work in the presence of initial coherence: Advantages of the Margenau-Hill distribution

JH Pei, JF Chen, HT Quan - Physical Review E, 2023 - APS
In quantum thermodynamics, the two-projective-measurement (TPM) scheme provides a
successful description of stochastic work only in the absence of initial quantum coherence …

Precision bound and optimal control in periodically modulated continuous quantum thermal machines

A Das, S Mahunta, BK Agarwalla, V Mukherjee - Physical Review E, 2023 - APS
We use Floquet formalism to study fluctuations in periodically modulated continuous
quantum thermal machines. We present a generic theory for such machines, followed by …

Quantum Otto cycle under strong coupling

M Kaneyasu, Y Hasegawa - Physical Review E, 2023 - APS
Quantum heat engines are often discussed under the weak-coupling assumption that the
interaction between the system and the reservoirs is negligible. Although this setup is easier …

Efficiency statistics of a quantum Otto cycle

Z Fei, JF Chen, YH Ma - Physical Review A, 2022 - APS
The stochastic efficiency [G. Verley, Nat. Commun. 5, 4721 (2014) 2041-1723
10.1038/ncomms5721] was introduced to evaluate the performance of energy-conversion …

Quantum field heat engine powered by phonon-photon interactions

A Ferreri, V Macrì, FK Wilhelm, F Nori, DE Bruschi - Physical Review Research, 2023 - APS
We present a quantum heat engine based on a cavity with two oscillating mirrors that
confine a quantum field. The engine performs an Otto cycle during which the walls and a …