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Title: Simulation of partial entanglement with nonsignaling resources
Authors: Brunner, N.
Gisin, N.
Popescu, S.
Scarani, V. 
Issue Date: 13-Nov-2008
Citation: Brunner, N., Gisin, N., Popescu, S., Scarani, V. (2008-11-13). Simulation of partial entanglement with nonsignaling resources. Physical Review A - Atomic, Molecular, and Optical Physics 78 (5) : -. ScholarBank@NUS Repository.
Abstract: With the goal of gaining a deeper understanding of quantum nonlocality, we decompose quantum correlations into more elementary nonlocal correlations. We show that the correlations of all pure entangled states of two qubits can be simulated without communication, hence using only no-signaling resources. Our simulation model works in two steps. First, we decompose the quantum correlations into a local and a nonlocal part. Second, we present a model for simulating the nonlocal part using only no-signaling resources. In our model partially entangled states require more nonlocal resources than maximally entangled states, but the less the state is entangled, the less frequently must the nonlocal resources be used. © 2008 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.78.052111
Appears in Collections:Staff Publications

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