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- Centre National de la Recherche ScientifiqueFR423 papers
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18 papers · 2 filters
Limits on non-local correlations from the structure of the local state space
Peter Janotta, Christian Gogolin, Jonathan Barrett +1
The outcomes of measurements on entangled quantum systems can be nonlocally correlated. However, while it is easy to write down toy theories allowing arbitrary nonlocal correlation…
Fluctuation-induced forces between atoms and surfaces: the Casimir-Polder interaction
F. Intravaia, C. Henkel, M. Antezza
Electromagnetic fluctuation-induced forces between atoms and surfaces are generally known as Casimir-Polder interactions. The exact knowledge of these forces is rapidly becoming im…
Entangled inputs cannot make imperfect quantum channels perfect
Fernando G. S. L. Brandao, Jens Eisert, Michal Horodecki +1
Entangled inputs can enhance the capacity of quantum channels, this being one of the consequences of the celebrated result showing the non-additivity of several quantities relevant…
Information propagation for interacting particle systems
Norbert Schuch, Sarah K. Harrison, Tobias J. Osborne +1
We show that excitations of interacting quantum particles in lattice models always propagate with a finite speed of sound. Our argument is simple yet general and shows that by focu…
Catalysis and activation of magic states in fault tolerant architectures
Earl T. Campbell
In many architectures for fault tolerant quantum computing universality is achieved by a combination of Clifford group unitary operators and preparation of suitable nonstabilizer s…
Non-adaptive Measurement-based Quantum Computation and Multi-party Bell Inequalities
Matty J. Hoban, Earl T. Campbell, Klearchos Loukopoulos +1
Quantum correlations exhibit behaviour that cannot be resolved with a local hidden variable picture of the world. In quantum information, they are also used as resources for inform…