Thermodynamics of precision in Markovian open quantum dynamics
The thermodynamic and kinetic uncertainty relations indicate trade-offs between the relative
fluctuation of observables and thermodynamic quantities such as dissipation and dynamical …
fluctuation of observables and thermodynamic quantities such as dissipation and dynamical …
Experimental investigation of a quantum heat engine powered by generalized measurements
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 …
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
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 …
temperature, explicitly accounting for the effect of continuous measurement. The clock is …
Bounds on fluctuations for finite-time quantum Otto cycle
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 …
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 …
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
In quantum thermodynamics, the two-projective-measurement (TPM) scheme provides a
successful description of stochastic work only in the absence of initial quantum coherence …
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
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 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 …
interaction between the system and the reservoirs is negligible. Although this setup is easier …
Efficiency statistics of a quantum Otto cycle
The stochastic efficiency [G. Verley, Nat. Commun. 5, 4721 (2014) 2041-1723
10.1038/ncomms5721] was introduced to evaluate the performance of energy-conversion …
10.1038/ncomms5721] was introduced to evaluate the performance of energy-conversion …
Quantum field heat engine powered by phonon-photon interactions
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 …
confine a quantum field. The engine performs an Otto cycle during which the walls and a …