Reply to 'comment on 'Towards gravitationally assisted negative refraction of light by vacuum"

Akhlesh Lakhtakia; Tom G. Mackay

doi:10.1088/0305-4470/38/11/N02

Reply to 'comment on 'Towards gravitationally assisted negative refraction of light by vacuum"

Akhlesh Lakhtakia, Tom G. Mackay

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5 Scopus citations

Abstract

Negative T₀₀ is indeed a characteristic of any plane wave whose phase velocity vector casts a negative projection on its time-averaged Poynting vector, but that quantity does not appear to be necessarily meaningful in the context of energy densities of electromagnetic signals which are necessarily of finite spatiotemporal extent. The astrophysical literature contains several negative-energy scenarios.

Original language	English (US)
Pages (from-to)	2545-2546
Number of pages	2
Journal	Journal of Physics A: Mathematical and General
Volume	38
Issue number	11
DOIs	https://doi.org/10.1088/0305-4470/38/11/N02
State	Published - Mar 18 2005

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Mathematical Physics
Physics and Astronomy(all)

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10.1088/0305-4470/38/11/N02

Cite this

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AB - Negative T00 is indeed a characteristic of any plane wave whose phase velocity vector casts a negative projection on its time-averaged Poynting vector, but that quantity does not appear to be necessarily meaningful in the context of energy densities of electromagnetic signals which are necessarily of finite spatiotemporal extent. The astrophysical literature contains several negative-energy scenarios.

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Reply to 'comment on 'Towards gravitationally assisted negative refraction of light by vacuum"

Abstract

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