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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Transmission of Information in Non-Local Field Theories

arXiv
Authors: Alessio Belenchia, Dionigi M. T. Benincasa, Stefano Liberati, Eduardo Martin-Martinez

Year

2017

Paper ID

44793

Status

Preprint

Abstract Read

~2 min

Abstract Words

107

Citations

N/A

Abstract

The signaling between two observers in 3+1 dimensional flat spacetime coupled locally to a non-local field is considered. We show that in the case where two observers are purely timelike related - so that an exchange of on-shell massless quanta cannot occur - signaling is still possible because of a violation of Huygens' principle. In particular, we show that the signaling is exponentially suppressed by the non-locality scale. Furthermore, we consider the case in which the two observers are light-like related and show that the non-local modification to the local result is polynomially suppressed in the non-locality scale. This may have implications for phenomenological tests of non-local theories.

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  • The signaling between two observers in 3+1 dimensional flat spacetime coupled locally to a non-local field is considered.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.01654 [2] arXiv https://arxiv.org/abs/1707.01654 [3] Publisher https://arxiv.org/abs/1707.01654

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