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17 papers · 1 filter
Decoherence Implies Information Gain
Dorje C. Brody, Lane P. Hughston
It is shown that if the wave function of a quantum system undergoes an arbitrary random transformation such that the diagonal elements of the density matrix in the decoherence basi…
Lévy Models for Collapse of the Wave Function
Dorje C. Brody, Lane P. Hughston
Recently there has been much progress in the development of stochastic models for state reduction in quantum mechanics. In such models, the collapse of the wave function is a physi…
The power of qutrits for non-adaptive measurement-based quantum computing
Jelena Mackeprang, Daniel Bhatti, Matty J. Hoban +1
Non-locality is not only one of the most prominent quantum features but can also serve as a resource for various information-theoretical tasks. Analysing it from an information-the…
On characterising assemblages in Einstein-Podolsky-Rosen scenarios
Vinicius P. Rossi, Matty J. Hoban, Ana Belén Sainz
Characterising non-classical quantum phenomena is crucial not only from a fundamental perspective, but also to better understand its capabilities for information processing and com…
Quantifying EPR: the resource theory of nonclassicality of common-cause assemblages
Beata Zjawin, David Schmid, Matty J. Hoban +1
Einstein-Podolsky-Rosen (EPR) steering is often (implicitly or explicitly) taken to be evidence for spooky action-at-a-distance. An alternative perspective on steering is that Alic…
Quantum Measurement of Space-Time Events
Dorje C. Brody, Lane P. Hughston
The phase space of a relativistic system can be identified with the future tube of complexified Minkowski space. As well as a complex structure and a symplectic structure, the futu…