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112 papers · 1 filter
Multi-copy and stochastic transformation of multipartite pure states
Lin Chen, Masahito Hayashi
Characterizing the transformation and classification of multipartite entangled states is a basic problem in quantum information. We study the problem under two most common environm…
More non-locality with less entanglement
Thomas Vidick, Stephanie Wehner
We provide an explicit example of a Bell inequality with 3 settings and 2 outcomes per site for which the largest violation is not obtained by the maximally entangled state, even i…
Lenses as an Atom-Photon Interface: A Semiclassical Model
Colin Teo, Valerio Scarani
Strong interaction between the light field and an atom is often achieved with cavities. Recent experiments have used a different configuration: a propagating light field is strongl…
Interactive proofs with efficient quantum prover for recursive Fourier sampling
Matthew McKague
We consider the recursive Fourier sampling problem (RFS), and show that there exists an interactive proof for RFS with an efficient classical verifier and efficient quantum prover.
The superfluid fountain effect in a Bose-Einstein condensate
Tomasz Karpiuk, Benoit Gremaud, Christian Miniatura +1
We consider a simple experimental setup, based on a harmonic confinement, where a Bose-Einstein condensate and a thermal cloud of weakly interacting alkali atoms are trapped in two…
Large violation of Bell inequalities using both particle and wave measurements
Daniel Cavalcanti, Nicolas Brunner, Paul Skrzypczyk +2
When separated measurements on entangled quantum systems are performed, the theory predicts correlations that cannot be explained by any classical mechanism: communication is exclu…