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Readout of Quantum Screening Effects Using a Time-Dependent Probe

Dashti, Nastaran ; Acciai, Matteo ; Kheradsoud, Sara LU ; Misiorny, Maciej ; Samuelsson, Peter LU and Splettstoesser, Janine (2021) In Physical Review Letters 127(24).
Abstract

In voltage- and temperature-biased coherent conductors quantum screening effects occur if the conductor's transmission is energy dependent. Here, we show that an additional ac-driven terminal can act as a probe for a direct readout of such effects, hitherto unexplored. We find that screening of charges induced by the static biases impacts already their standard linear thermoelectric response coefficients due to nonlinear effects when accounting for the frequency of the time-dependent driving. Those effects should be observable under realistic experimental conditions and can literally be switched on and off with the ac driving.

Please use this url to cite or link to this publication:
author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
127
issue
24
article number
246802
publisher
American Physical Society
external identifiers
  • pmid:34951773
  • scopus:85121636009
ISSN
0031-9007
DOI
10.1103/PhysRevLett.127.246802
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2021 authors. Published by the American Physical Society.
id
c9bb6549-e72a-4da8-99df-3e68d1845056
date added to LUP
2022-01-28 09:33:42
date last changed
2024-09-08 08:47:18
@article{c9bb6549-e72a-4da8-99df-3e68d1845056,
  abstract     = {{<p>In voltage- and temperature-biased coherent conductors quantum screening effects occur if the conductor's transmission is energy dependent. Here, we show that an additional ac-driven terminal can act as a probe for a direct readout of such effects, hitherto unexplored. We find that screening of charges induced by the static biases impacts already their standard linear thermoelectric response coefficients due to nonlinear effects when accounting for the frequency of the time-dependent driving. Those effects should be observable under realistic experimental conditions and can literally be switched on and off with the ac driving.</p>}},
  author       = {{Dashti, Nastaran and Acciai, Matteo and Kheradsoud, Sara and Misiorny, Maciej and Samuelsson, Peter and Splettstoesser, Janine}},
  issn         = {{0031-9007}},
  language     = {{eng}},
  month        = {{12}},
  number       = {{24}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Readout of Quantum Screening Effects Using a Time-Dependent Probe}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.127.246802}},
  doi          = {{10.1103/PhysRevLett.127.246802}},
  volume       = {{127}},
  year         = {{2021}},
}