30 papers
Ideal heat engine cycles at maximal efficiency -- the ideal gas and beyond
Gregory Behrendt, Sebastian Deffner
Given a particular heat engine cycle, what is the optimal working medium that results in the highest efficiency? While one might jump to the conclusion that it must surely be the i…
Quantum annealers as programmable thermal machines
Jakub Pawłowski, Tomasz Śmierzchalski, Fengping Jin +3
Programmable quantum annealers are used for optimization, probabilistic sampling, and simulation, but their performance is commonly reported without the energy exchanged during com…
Procrustes Tomography -- reconstructing noisy quantum channels made easy
Josey Stevens, Reece Robertson, Sebastian Deffner
What is the most expensive part of quantum device characterization? Clearly, the answer is quantum process tomography. However, especially for noisy intermediate-scale quantum (NIS…
Fluctuation theorems for autonomous work
Christopher Jarzynski, Sebastian Deffner, Saar Rahav
Classical fluctuation theorems for work have been obtained theoretically, and verified experimentally, within a non-autonomous framework in which work is performed on a system of i…
Energy-error tradeoff in encoding quantum error correction
Josey Stevens, Sebastian Deffner
While it has been widely recognized that genuine quantum advantage for practical problems might only be achieved with fault-tolerant quantum computers, it is still not entirely cle…
Over forty years of research towards the understanding of Quantum Brownian Motion -- the contributions of A. O. Caldeira
Marcus V. S. Bonança, Marcus V. S. Bonança, Sebastian Deffner +1
This article presents a brief account of Amir O. Caldeira's contributions to the theory of quantum Brownian motion. Motivated by its importance, we outline the description of Brown…