10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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5 papers · 2 filters
On Random Unitary Channels
Koenraad M. R. Audenaert, Stefan Scheel
In this article we provide necessary and sufficient conditions for a completely positive trace-preserving (CPT) map to be decomposable into a convex combination of unitary maps. Ad…
Asymptotic Error Rates in Quantum Hypothesis Testing
K. M. R. Audenaert, M. Nussbaum, A. Szkola +1
We consider the problem of discriminating between two different states of a finite quantum system in the setting of large numbers of copies, and find a closed form expression for t…
Unifying variational methods for simulating quantum many-body systems
Christopher M. Dawson, Jens Eisert, Tobias J. Osborne
We introduce a unified formulation of variational methods for simulating ground state properties of quantum many-body systems. The key feature is a novel variational method over qu…
Entanglement in the quantum Ising model
Geoffrey Grimmett, Tobias Osborne, Petra Scudo
We study the asymptotic scaling of the entanglement of a block of spins for the ground state of the one-dimensional quantum Ising model with transverse field. When the field is suf…
Bounds on Information Propagation in Disordered Quantum Spin Chains
Christian K. Burrell, Tobias J. Osborne
We investigate the propagation of information through the disordered XY model. We find, with a probability that increases with the size of the system, that all correlations, both c…