Catalysis in quantum information theory
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 …
consuming the catalyst. A similar phenomenon has been discovered in quantum information …
Quantum-bayesian coherence
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 …
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 …
quantum systems. They are appealing for the experimental ease with which they can be …
How to quantify coherence: Distinguishing speakable and unspeakable notions
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 …
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
We develop a resource theory for continuous-variable systems grounded on operations
routinely available within current quantum technologies. In particular, the set of free …
routinely available within current quantum technologies. In particular, the set of free …
Quasiprobabilities in quantum thermodynamics and many-body systems
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 …
quasiprobabilities that can describe the statistics of measurement outcomes evaluated at …
Negative quasi-probability as a resource for quantum computation
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 …
that are required for quantum computational speed-up and, in particular, for fault-tolerant …
Non-Gaussian quantum states of a multimode light field
Advanced quantum technologies require scalable and controllable quantum resources,.
Gaussian states of multimode light, such as squeezed states and cluster states, are scalable …
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
Abstract The Kirkwood-Dirac quasiprobability distribution, intimately connected with the
quantum correlation function of two observables measured at distinct times, is becoming …
quantum correlation function of two observables measured at distinct times, is becoming …
Quantum advantage in postselected metrology
In every parameter-estimation experiment, the final measurement or the postprocessing
incurs a cost. Postselection can improve the rate of Fisher information (the average …
incurs a cost. Postselection can improve the rate of Fisher information (the average …