Catalysis in quantum information theory

P Lipka-Bartosik, H Wilming, NHY Ng - Reviews of Modern Physics, 2024 - APS
Catalysts open up new reaction pathways that can speed up chemical reactions while not
consuming the catalyst. A similar phenomenon has been discovered in quantum information …

Quantum-bayesian coherence

CA Fuchs, R Schack - Reviews of modern physics, 2013 - APS
In the quantum-Bayesian interpretation of quantum theory (or QBism), the Born rule cannot
be interpreted as a rule for setting measurement-outcome probabilities from an objective …

Non-Gaussian quantum states and where to find them

M Walschaers - PRX quantum, 2021 - APS
Gaussian states have played an important role in the physics of continuous-variable
quantum systems. They are appealing for the experimental ease with which they can be …

How to quantify coherence: Distinguishing speakable and unspeakable notions

I Marvian, RW Spekkens - Physical Review A, 2016 - APS
Quantum coherence is a critical resource for many operational tasks. Understanding how to
quantify and manipulate it also promises to have applications for a diverse set of problems in …

Resource theory of quantum non-Gaussianity and Wigner negativity

F Albarelli, MG Genoni, MGA Paris, A Ferraro - Physical Review A, 2018 - APS
We develop a resource theory for continuous-variable systems grounded on operations
routinely available within current quantum technologies. In particular, the set of free …

Quasiprobabilities in quantum thermodynamics and many-body systems

S Gherardini, G De Chiara - PRX Quantum, 2024 - APS
In this tutorial, we present the definition, interpretation, and properties of some of the main
quasiprobabilities that can describe the statistics of measurement outcomes evaluated at …

Negative quasi-probability as a resource for quantum computation

V Veitch, C Ferrie, D Gross, J Emerson - New Journal of Physics, 2012 - iopscience.iop.org
A central problem in quantum information is to determine the minimal physical resources
that are required for quantum computational speed-up and, in particular, for fault-tolerant …

Non-Gaussian quantum states of a multimode light field

YS Ra, A Dufour, M Walschaers, C Jacquard, T Michel… - Nature Physics, 2020 - nature.com
Advanced quantum technologies require scalable and controllable quantum resources,.
Gaussian states of multimode light, such as squeezed states and cluster states, are scalable …

Interferometry of quantum correlation functions to access quasiprobability distribution of work

S Hernández-Gómez, T Isogawa, A Belenchia… - npj Quantum …, 2024 - nature.com
Abstract The Kirkwood-Dirac quasiprobability distribution, intimately connected with the
quantum correlation function of two observables measured at distinct times, is becoming …

Quantum advantage in postselected metrology

DRM Arvidsson-Shukur, N Yunger Halpern… - Nature …, 2020 - nature.com
In every parameter-estimation experiment, the final measurement or the postprocessing
incurs a cost. Postselection can improve the rate of Fisher information (the average …