Colloidal heat engines: a review

IA Martínez, É Roldán, L Dinis, RA Rica - Soft matter, 2017 - pubs.rsc.org
Stochastic heat engines can be built using colloidal particles trapped using optical tweezers.
Here we review recent experimental realizations of microscopic heat engines. We first revisit …

Fluctuations in heat engines

V Holubec, A Ryabov - Journal of Physics A: Mathematical and …, 2021 - iopscience.iop.org
At the dawn of thermodynamics, Carnot's constraint on efficiency of heat engines stimulated
the formulation of one of the most universal physical principles, the second law of …

[HTML][HTML] Brownian carnot engine

IA Martínez, É Roldán, L Dinis, D Petrov… - Nature physics, 2016 - nature.com
The Carnot cycle imposes a fundamental upper limit to the efficiency of a macroscopic motor
operating between two thermal baths. However, this bound needs to be reinterpreted at …

Thermodynamic universality of quantum Carnot engines

B Gardas, S Deffner - Physical Review E, 2015 - APS
The Carnot statement of the second law of thermodynamics poses an upper limit on the
efficiency of all heat engines. Recently, it has been studied whether generic quantum …

Efficiency fluctuations of a quantum heat engine

T Denzler, E Lutz - Physical Review Research, 2020 - APS
The efficiency of quantum heat engines is a stochastic quantity owing to the presence of
thermal and quantum fluctuations. We here extend the standard two-projective …

Brownian duet: a novel tale of thermodynamic efficiency

K Proesmans, Y Dreher, M Gavrilov, J Bechhoefer… - Physical Review X, 2016 - APS
We calculate analytically the stochastic thermodynamic properties of an isothermal
Brownian engine driven by a duo of time-periodic forces, including its Onsager coefficients …

Efficiency fluctuations in microscopic machines

SK Manikandan, L Dabelow, R Eichhorn… - Physical review …, 2019 - APS
Nanoscale machines are strongly influenced by thermal fluctuations, contrary to their
macroscopic counterparts. As a consequence, even the efficiency of such microscopic …

Efficiency at and near maximum power of low-dissipation heat engines

V Holubec, A Ryabov - Physical Review E, 2015 - APS
A universality in optimization of trade-off between power and efficiency for low-dissipation
Carnot cycles is presented. It is shown that any trade-off measure expressible in terms of …

Carnot efficiency at divergent power output

M Polettini, M Esposito - Europhysics Letters, 2017 - iopscience.iop.org
The widely debated feasibility of thermodynamic machines achieving Carnot efficiency at
finite power has been convincingly dismissed. Yet, the common wisdom that efficiency can …

Efficiency fluctuations in quantum thermoelectric devices

M Esposito, MA Ochoa, M Galperin - Physical Review B, 2015 - APS
We present a method, based on characterizing efficiency fluctuations, to assess the
performance of nanoscale thermoelectric junctions. This method accounts for effects …