Charge, spin, and heat shot noises in the absence of average currents: Conditions on bounds at zero and finite frequencies

L Tesser, M Acciai, C Spånslätt, J Monsel… - Physical Review B, 2023 - APS
Nonequilibrium situations where selected currents are suppressed are of interest in fields
like thermoelectrics and spintronics, raising the question of how the related noises behave …

Delta- noise for weak tunneling in one-dimensional systems: Interactions versus quantum statistics

G Zhang, IV Gornyi, C Spånslätt - Physical Review B, 2022 - APS
We study delta-T noise—excess charge noise at zero voltage but finite temperature bias—
for weak tunneling in one-dimensional interacting systems. We show that the sign of the …

General bounds on electronic shot noise in the absence of currents

J Eriksson, M Acciai, L Tesser, J Splettstoesser - Physical Review Letters, 2021 - APS
We investigate the charge and heat electronic noise in a generic two-terminal mesoscopic
conductor in the absence of the corresponding charge and heat currents. Despite these …

Delta- noise for fractional quantum Hall states at different filling factor

G Rebora, J Rech, D Ferraro, T Jonckheere… - Physical Review …, 2022 - APS
The current fluctuations due to a temperature bias, ie, the delta-T noise, allow one to access
properties of strongly interacting systems which cannot be addressed by the usual voltage …

Scattering theory of non-equilibrium noise and delta T current fluctuations through a quantum dot

A Popoff, J Rech, T Jonckheere… - Journal of Physics …, 2022 - iopscience.iop.org
We consider the non-equilibrium zero frequency noise generated by a temperature gradient
applied on a device composed of two normal leads separated by a quantum dot. We recall …

Colored delta- noise in fractional quantum Hall liquids

K Iyer, J Rech, T Jonckheere, L Raymond, B Grémaud… - Physical Review B, 2023 - APS
Photons are emitted or absorbed by a nanocircuit under both equilibrium and
nonequilibrium situations. Here, we focus on the nonequilibrium situation arising due to a …

Finite-frequency noise, Fano factor, ΔT-noise and cross-correlations in double quantum dots

A Crépieux, TQ Duong, M Lavagna - Journal of Physics …, 2024 - iopscience.iop.org
A theoretical study on electrical current fluctuations in a double quantum dot connected to
electronic reservoirs is presented, with the aim of deriving the finite-frequency noise, the …

[PDF][PDF] Role of scaling dimensions in generalized noises in fractional quantum Hall tunneling due to a temperature bias

M Acciai, G Zhang, C Spånslätt - arXiv preprint arXiv:2408.04525, 2024 - scipost.org
Continued improvement of heat control in mesoscopic conductors brings novel tools for
probing strongly correlated electron phenomena. Motivated by these advances, we …

-noise in Multiterminal Hybrid Systems

L Pierattelli, F Taddei, A Braggio - arXiv preprint arXiv:2411.12572, 2024 - arxiv.org
The study of charge current fluctuations (noise) can give useful insights into the properties of
nanoscale systems. In this work, the peculiar properties of noise in multiterminal hybrid …

Consequences of interactions in quantum Hall edge channels

G Rebora - 2023 - tesidottorato.depositolegale.it
The topic of electron quantum optics has recently assumed a prominent role in the
condensed matter agenda. It aims at generating, manipulating and detecting individual …