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 …

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 …

Optomechanics-based quantum estimation theory for collapse models

MM Marchese, A Belenchia, M Paternostro - Entropy, 2023‏ - mdpi.com
We make use of the powerful formalism of quantum parameter estimation to assess the
characteristic rates of a continuous spontaneous localization (CSL) model affecting the …

Collisional thermometry for Gaussian systems

GO Alves, MAF Santos, GT Landi - Physical Review A, 2024‏ - APS
We investigate a quantum thermometry scheme-based collision model with Gaussian
systems. A key open question of these schemes concerns the scaling of the quantum Fisher …

Mixing thermal coherent states for precision and range enhancement in quantum thermometry

A Ullah, MT Naseem… - Quantum Science and …, 2024‏ - iopscience.iop.org
The unavoidable interaction between thermal environments and quantum systems typically
leads to the degradation of quantum coherence, which can be fought against by reservoir …

On the role of symmetry and geometry in global quantum sensing

J Boeyens, J Glatthard, E Gandar… - arxiv preprint arxiv …, 2025‏ - arxiv.org
Global sensing enables parameter estimation across arbitrary parameter ranges with a finite
number of shots. While various formulations exist, the Bayesian paradigm offers a flexible …

Harnessing energy transitions for low-temperature thermometry

A Ullah, V Upadhyay, ÖE Müstecaplıoğlu - arxiv preprint arxiv …, 2024‏ - arxiv.org
We present a scheme to extend the range and precision of temperature measurements
employing a qubit chain governed by Heisenberg $ XX $ and Dzyaloshinskii-Moriya (DM) …

[PDF][PDF] Different levels of approximations in open quantum systems and their applications

RR Rodríguez - 2023‏ - bip.ug.edu.pl
Calculating the dynamics of a non-isolated system is generally computationally hard and
sometimes even not feasible. Due to that reason, one needs to use different approximations …

Quantum Thermometry for Ultra-Low Temperatures Using Probe and Ancilla Qubit Chains

A Ullah, V Upadhyay, ÖE Müstecaplıoğlu - Entropy, 2025‏ - mdpi.com
We propose a scheme to enhance the range and precision of ultra-low temperature
measurements by employing a probe qubit coupled to a chain of ancilla qubits. Specifically …

Preparation of thermal coherent state and its role in quantum thermometry

A Ullah, M Tahir Naseem, ÖE Müstecaplıoğlu - arxiv e-prints, 2023‏ - ui.adsabs.harvard.edu
The unavoidable interaction between thermal environments and quantum systems typically
leads to the degradation of the quantum coherence, which can be fought against by …