Kochen-specker contextuality
A central result in the foundations of quantum mechanics is the Kochen-Specker theorem. In
short, it states that quantum mechanics is in conflict with classical models in which the result …
short, it states that quantum mechanics is in conflict with classical models in which the result …
[HTML][HTML] Recent advances in Wigner function approaches
J Weinbub, DK Ferry - Applied Physics Reviews, 2018 - pubs.aip.org
The Wigner function was formulated in 1932 by Eugene Paul Wigner, at a time when
quantum mechanics was in its infancy. In doing so, he brought phase space representations …
quantum mechanics was in its infancy. In doing so, he brought phase space representations …
Quantifying quantum speedups: Improved classical simulation from tighter magic monotones
Consumption of magic states promotes the stabilizer model of computation to universal
quantum computation. Here, we propose three different classical algorithms for simulating …
quantum computation. Here, we propose three different classical algorithms for simulating …
Contextuality as a resource for models of quantum computation with qubits
A central question in quantum computation is to identify the resources that are responsible
for quantum speed-up. Quantum contextuality has been recently shown to be a resource for …
for quantum speed-up. Quantum contextuality has been recently shown to be a resource for …
Classical simulation of non-Gaussian fermionic circuits
We propose efficient algorithms for classically simulating fermionic linear optics operations
applied to non-Gaussian initial states. By gadget constructions, this provides algorithms for …
applied to non-Gaussian initial states. By gadget constructions, this provides algorithms for …
Quantifying magic for multi-qubit operations
JR Seddon, ET Campbell - Proceedings of the Royal …, 2019 - royalsocietypublishing.org
The development of a framework for quantifying 'non-stabilizerness' of quantum operations
is motivated by the magic state model of fault-tolerant quantum computation and by the need …
is motivated by the magic state model of fault-tolerant quantum computation and by the need …
Contextuality and Wigner negativity are equivalent for continuous-variable quantum measurements
Quantum computers promise considerable speedups with respect to their classical
counterparts. However, the identification of the innately quantum features that enable these …
counterparts. However, the identification of the innately quantum features that enable these …
Convex geometry of quantum resource quantification
B Regula - Journal of Physics A: Mathematical and Theoretical, 2017 - iopscience.iop.org
We introduce a framework unifying the mathematical characterisation of different measures
of general quantum resources and allowing for a systematic way to define a variety of faithful …
of general quantum resources and allowing for a systematic way to define a variety of faithful …
Phase-space-simulation method for quantum computation with magic states on qubits
We propose a method for classical simulation of finite-dimensional quantum systems, based
on sampling from a quasiprobability distribution, ie, a generalized Wigner function. Our …
on sampling from a quasiprobability distribution, ie, a generalized Wigner function. Our …
Overview of the phase space formulation of quantum mechanics with application to quantum technologies
The phase‐space formulation of quantum mechanics has recently seen increased use in
testing quantum technologies, including methods of tomography for state verification and …
testing quantum technologies, including methods of tomography for state verification and …