319 citations · 1.3k across the 28 of their papers we have counts for
24 papers · 1 filter
Roadmap on Quantum Thermodynamics
Steve Campbell, Irene D'Amico, Mario A. Ciampini +66
The last two decades has seen quantum thermodynamics become a well established field of research in its own right. In that time, it has demonstrated a remarkably broad applicabilit…
Measurement incompatibility under loss
Mohammad Mehboudi, Fatemeh Rezaeinia, Saleh Rahimi-Keshari
We investigate the measurement incompatibility of continuous-variable systems with infinite-dimensional Hilbert spaces under the influence of pure losses, a fundamental noise sourc…
Optimal limits of continuously monitored thermometers and their Hamiltonian structure
Mohammad Mehboudi, Florian Meier, Marcus Huber +1
We investigate the fundamental and practical precision limits of thermometry in bosonic and fermionic environments by coupling an -level probe to them and continuously monitorin…
Strongly coupled fermionic probe for nonequilibrium thermometry
Ricard Ravell Rodríguez, Mohammad Mehboudi, Michał Horodecki +1
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…
Probe thermometry with continuous measurements
Julia Boeyens, Björn Annby-Andersson, Pharnam Bakhshinezhad +5
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 e…
Critical quantum metrology assisted by real-time feedback control
Raffaele Salvia, Mohammad Mehboudi, Martí Perarnau-Llobet
We investigate critical quantum metrology,that is the estimation of parameters in many-body systems close to a quantum critical point, through the lens of Bayesian inference theory…
Ancillary Gaussian modes activate the potential to witness non-Markovianity
Dario De Santis, Donato Farina, Mohammad Mehboudi +1
We study how the number of employed modes impacts the ability to witness non-Markovian evolutions via correlation backflows in continuous-variable quantum dynamics. We first prove…
Operational significance of nonclassicality in nonequilibrium Gaussian quantum thermometry
Safoura S. Mirkhalaf, Mohammad Mehboudi, Zohre Nafari Qaleh +1
We provide new operational significance of nonclassicality in nonequilibrium temperature estimation of bosonic baths with Gaussian probe states and Gaussian dynamics. We find a bou…
Thermodynamic length and work optimisation for Gaussian quantum states
Mohammad Mehboudi, Harry J. D. Miller
Constructing optimal thermodynamic processes in quantum systems relies on managing the balance between the average excess work and its stochastic fluctuations. Recently it has been…
Thermometry of Gaussian quantum systems using Gaussian measurements
Marina F. B. Cenni, Ludovico Lami, Antonio Acin +1
We study the problem of estimating the temperature of Gaussian systems with feasible measurements, namely Gaussian and photo-detection-like measurements. For Gaussian measurements,…
Fundamental limits in Bayesian thermometry and attainability via adaptive strategies
Mohammad Mehboudi, Mathias R. Jørgensen, Stella Seah +3
We investigate the limits of thermometry using quantum probes at thermal equilibrium within the Bayesian approach. We consider the possibility of engineering interactions between t…
Bayesian quantum thermometry based on thermodynamic length
Mathias R. Jørgensen, Jan Kołodyński, Mohammad Mehboudi +2
In this work, we propose a theory of temperature estimation of quantum systems, which is applicable in the regime of non-negligible prior temperature uncertainty and limited measur…
Verification of joint measurability using phase-space quasiprobability distributions
Saleh Rahimi-Keshari, Mohammad Mehboudi, Dario De Santis +2
Measurement incompatibility is a distinguishing property of quantum physics and an essential resource for many quantum information processing tasks. We introduce an approach to ver…
Geometry of work fluctuations versus efficiency in microscopic thermal machines
Harry J. D. Miller, Mohammad Mehboudi
When engineering microscopic machines, increasing efficiency can often come at a price of reduced reliability due to the impact of stochastic fluctuations. Here we develop a genera…
Bath-Induced Correlations Enhance Thermometry Precision at Low Temperatures
Guim Planella, Marina F. B. Cenni, Antonio Acin +1
We study the role of bath-induced correlations in temperature estimation of cold bosonic baths. Our protocol includes multiple probes, that are not interacting, nor are they initia…
Thermometry in the quantum regime: Recent theoretical progress
Mohammad Mehboudi, Anna Sanpera, Luis A. Correa
Controlling and measuring the temperature in different devices and platforms that operate in the quantum regime is, without any doubt, essential for any potential application. In t…
Dynamically induced heat rectification in quantum systems
Andreu Riera-Campeny, Mohammad Mehboudi, Marisa Pons +1
Heat rectifiers are systems that conduct heat asymmetrically for forward and reversed temperature gradients. Here, we present an analytical study of heat rectification in linear qu…
Fluctuation-dissipation theorem for non-equilibrium quantum systems
Mohammad Mehboudi, Anna Sanpera, Juan M. R. Parrondo
The fluctuation-dissipation theorem (FDT) is a central result in statistical physics, both for classical and quantum systems. It establishes a relationship between the linear respo…
Global and local thermometry schemes in coupled quantum systems
Steve Campbell, Mohammad Mehboudi, Gabriele De Chiara +1
We study the ultimate bounds on the estimation of temperature for an interacting quantum system. We consider two coupled bosonic modes that are assumed to be thermal and using quan…
Low-temperature thermometry can be enhanced by strong coupling
Luis A. Correa, Martí Perarnau-Llobet, Karen V. Hovhannisyan +3
We consider the problem of estimating the temperature of a very cold equilibrium sample. The temperature estimates are drawn from measurements performed on a quantum probe st…
Achieving sub-shot-noise sensing at finite temperatures
Mohammad Mehboudi, Luis A. Correa, Anna Sanpera
We investigate sensing of magnetic fields using quantum spin chains at finite temperature and exploit quantum phase crossovers to improve metrological bounds on the estimation of t…
Testing a Quantum Heat Pump with a Two-Level Spin
Luis A. Correa, Mohammad Mehboudi
Once in its non-equilibrium steady state, a nanoscale system coupled to several heat baths may be thought-of as a quantum heat pump. Depending on the direction of its stationary he…
Thermometry Precision in Strongly Correlated Ultracold Lattice Gases
Mohammad Mehboudi, Maria Moreno-Cardoner, Gabriele De Chiara +1
The precise knowledge of the temperature of an ultracold lattice gas simulating a strongly correlated system is a question of both, fundamental and technological importance. Here,…
Individual quantum probes for optimal thermometry
Luis A. Correa, Mohammad Mehboudi, Gerardo Adesso +1
The unknown temperature of a sample may be estimated with minimal disturbance by putting it in thermal contact with an individual quantum probe. If the interaction time is sufficie…