Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/2156
Title: Entanglement and Complete Positivity: Relevance and Manifestations in Classical Scalar Wave Optics
Authors: Arvind
Keywords: Classical entanglement
Gaussian beams
Issue Date: 2018
Publisher: Wiley-VCH Verlag
Citation: Fortschritte der Physik, 66(2)
Abstract: Entanglement of states and Complete Positivity of maps are concepts that have achieved physical importance with the recent growth of quantum information science. They are however mathematically relevant whenever tensor products of complex linear (Hilbert) spaces are involved. We present such situations in classical scalar paraxial wave optics where these concepts play a role: propagation characteristics of coherent and partially coherent Gaussian beams; and the definition and separability of the family of Twisted Gaussian Schell Model (TGSM) beams. In the former, the evolution of the width of a projected one‐dimensional beam is shown to be a signature of entanglement in a two‐dimensional amplitude. In the latter, the partial transpose operation is seen to explain key properties of TGSM beams.
Description: Only IISERM authors are available in the record.
URI: https://onlinelibrary.wiley.com/doi/full/10.1002/prop.201700077
http://hdl.handle.net/123456789/2156
Appears in Collections:Research Articles

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