Quantum-enhanced measurements without entanglement

D Braun, G Adesso, F Benatti, R Floreanini… - Reviews of Modern …, 2018 - APS
Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …

Individual quantum probes for optimal thermometry

LA Correa, M Mehboudi, G Adesso, A Sanpera - Physical review letters, 2015 - APS
The unknown temperature of a sample can be estimated with minimal disturbance by putting
it in thermal contact with an individual quantum probe. If the interaction time is sufficiently …

[HTML][HTML] Exploring quantum thermodynamics with NMR

CHS Vieira, JLD de Oliveira, JFG Santos… - Journal of Magnetic …, 2023 - Elsevier
Quantum thermodynamics seeks to extend non-equilibrium stochastic thermodynamics to
small quantum systems where non-classical features are essential to its description. Such a …

Experimental demonstration of information to energy conversion in a quantum system at the Landauer limit

JPS Peterson, RS Sarthour… - … of the Royal …, 2016 - royalsocietypublishing.org
Landauer's principle sets fundamental thermodynamical constraints for classical and
quantum information processing, thus affecting not only various branches of physics, but …

Precision thermometry and the quantum speed limit

S Campbell, MG Genoni, S Deffner - Quantum Science and …, 2018 - iopscience.iop.org
We assess precision thermometry for an arbitrary single quantum system. For a d-
dimensional harmonic system we show that the gap sets a single temperature that can be …

Achieving the Landau bound to precision of quantum thermometry in systems with vanishing gap

MGA Paris - Journal of Physics A: Mathematical and Theoretical, 2015 - iopscience.iop.org
We address estimation of temperature for finite quantum systems at thermal equilibrium and
show that the Landau bound to precision $\delta {T}^{2}\propto {T}^{2} $, originally derived …

High resolution non-Markovianity in NMR

NK Bernardes, JPS Peterson, RS Sarthour… - Scientific reports, 2016 - nature.com
Memoryless time evolutions are ubiquitous in nature but often correspond to a resolution-
induced approximation, ie there are correlations in time whose effects are undetectable …

Irreversible work and internal friction in a quantum Otto cycle of a single arbitrary spin

S Çakmak, F Altintas, A Gençten… - The European Physical …, 2017 - Springer
We propose an arbitrary driven spin as the working fluid of a quantum Otto cycle in the
presence of internal friction. The role of total allocated time to the adiabatic branches of the …

Thermometry Based on a Superconducting Qubit

DS Lvov, SA Lemziakov, E Ankerhold… - arXiv preprint arXiv …, 2024 - arxiv.org
We report temperature measurements using a transmon qubit by detecting the population of
the first three levels of it, after employing a sequence of $\pi $-pulses and performing …

Identifying Abelian and non-Abelian topological orders in the string-net model using a quantum scattering circuit

Z Zhang, X Long, X Zhao, Z Lin, K Tang, H Liu, X Yang… - Physical Review A, 2022 - APS
Realizing universal topological quantum computers requires the manipulation of non-
Abelian topological orders in a physical system, which presents great challenges …