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Scientific article
English

Simulation of partial entanglement with nonsignaling resources

Publication date2008
Abstract

With the goal of gaining a deeper understanding of quantum non-locality, we decompose quantum correlations into more elementary non-local correlations. We show that the correlations of all pure entangled states of two qubits can be simulated without communication, hence using only non-signaling resources. Our simulation model works in two steps. First, we decompose the quantum correlations into a local and a non-local part. Second, we present a model for simulating the nonlocal part using only non-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.

Keywords
  • Quantum computing
  • Quantum entanglement
Citation (ISO format)
BRUNNER, Nicolas et al. Simulation of partial entanglement with nonsignaling resources. In: Physical review, A, Atomic, molecular, and optical physics, 2008, vol. 78, p. 052111. doi: 10.1103/PhysRevA.78.052111
Identifiers
ISSN of the journal1050-2947
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Creation2009/02/12 09:25:00
First validation2009/02/12 09:25:00
Update time2023/03/14 15:00:29
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