Multispin probes for thermometry in the strong-coupling regime
We study the sensitivity of thermometric probes that are composed of N spins coupled to a
sample prepared at temperature T. Our analysis extends beyond the weak-coupling limit into …
sample prepared at temperature T. Our analysis extends beyond the weak-coupling limit into …
Sensors in Civil Engineering: From Existing Gaps to Quantum Opportunities
B Kantsepolsky, I Aviv - Smart Cities, 2024 - mdpi.com
The vital role of civil engineering is to enable the development of modern cities and
establish foundations for smart and sustainable urban environments of the future. Advanced …
establish foundations for smart and sustainable urban environments of the future. Advanced …
Multiparameter critical quantum metrology with impurity probes
Multiparameter critical quantum metrology with impurity probes - IOPscience Skip to content
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …
Strongly coupled fermionic probe for nonequilibrium thermometry
RR Rodríguez, M Mehboudi, M Horodecki… - New Journal of …, 2024 - iopscience.iop.org
We characterise the measurement sensitivity, quantified by the quantum Fisher information
(QFI), of a single-fermionic thermometric probe strongly coupled to the sample of interest, a …
(QFI), of a single-fermionic thermometric probe strongly coupled to the sample of interest, a …
Kondo effect in twisted bilayer graphene
The emergence of flat bands in twisted bilayer graphene at the magic angle can be
understood in terms of a vanishing Fermi velocity of the Dirac cone. This is associated with …
understood in terms of a vanishing Fermi velocity of the Dirac cone. This is associated with …
Probe thermometry with continuous measurements
J Boeyens, B Annby-Andersson… - New Journal of …, 2023 - iopscience.iop.org
Temperature estimation plays a vital role across natural sciences. A standard approach is
provided by probe thermometry, where a probe is brought into contact with the sample and …
provided by probe thermometry, where a probe is brought into contact with the sample and …
Observing the universal screening of a Kondo impurity
The Kondo effect, deriving from a local magnetic impurity mediating electron-electron
interactions, constitutes a flourishing basis for understanding a large variety of intricate many …
interactions, constitutes a flourishing basis for understanding a large variety of intricate many …
Temperature-enhanced critical quantum metrology
L Ostermann, K Gietka - Physical Review A, 2024 - APS
We show that the performance of critical quantum metrology protocols, counterintuitively,
can be enhanced by finite temperature. We consider a toy-model squeezing Hamiltonian …
can be enhanced by finite temperature. We consider a toy-model squeezing Hamiltonian …
Criticality-enhanced precision in phase thermometry
M Yu, HC Nguyen, S Nimmrichter - arXiv preprint arXiv:2311.14578, 2023 - arxiv.org
Temperature estimation of interacting quantum many-body systems is both a challenging
task and topic of interest in quantum metrology, given that critical behavior at phase …
task and topic of interest in quantum metrology, given that critical behavior at phase …
Quantum sensing with nanoelectronics: Fisher information for an adiabatic perturbation
Quantum systems used for metrology can offer enhanced precision over their classical
counterparts. The design of quantum sensors can be optimized by maximizing the quantum …
counterparts. The design of quantum sensors can be optimized by maximizing the quantum …