Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session F44: Dynamics of Quenched and Driven Quantum Systems II
11:30 AM–2:30 PM,
Tuesday, March 16, 2021
Sponsoring
Unit:
DCMP
Chair: Bowen Shi, University of California, San Diego
Abstract: F44.00012 : Non-Gaussian work statistics in fermionic nanostructures*
1:42 PM–1:54 PM
Live
Presenter:
András Grabarits
(Budapest Univ of Tech)
Authors:
András Grabarits
(Budapest Univ of Tech)
Marton Kormos
(Budapest Univ of Tech)
Izabella Lovas
(TU Munich)
Gergely Zarand
(Budapest Univ of Tech)
For quenches at finite temperature we derive an exact determinant formula for the characteristic function of the work statistics. In contrast to the zero temperature case, in the limit of large temperatures, it converges to a Gaussian distribution with the average work increasing linearly in time. We also verified that for symmetrical cyclic driving our results satisfy the Crooks fluctuation relation.
*HunQuTech 2017-1.2.1-NKP-2017-00001
NKFIH TKP2020 IES (BME-IE-NAT),
HAS “Bolyai János” grant
ÚNKP-19-4 “Bolyai+” grant
ERC No. 771537
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