Entanglement and squeezing in continuous-variable systems
Year: 2017
Type: article
Abstract: We introduce a multi-mode squeezing coefficient to characterize entanglement in N -partite continuous-variable systems. The coefficient relates to the squeezing of collective observables in the 2N -dimensional phase space and can be readily extracted from the covariance matrix. Simple extensions further permit to reveal entanglement within specific partitions of a multipartite system. Applications with nonlinear observables allow for the detection of non-Gaussian entanglement.
Source: Quantum
Authors: Manuel Gessner, Luca Pezzè, Augusto Smerzi
Institution: Quantum Science and Technology in Arcetri
Language: English
Subfield: Artificial Intelligence
Field: Computer Science
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $215
OpenAlex ID: W1490461871