Response to 'On negative refraction in classical vacuum'

Tom G. Mackay; Akhlesh Lakhtakia

doi:10.1080/09500340701388072

Response to 'On negative refraction in classical vacuum'

Tom G. Mackay, Akhlesh Lakhtakia

School of Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

An analysis [McCall, M.W.J. Mod. Opt. 2007, 54, 119-128] based on the electromagnetic energy-momentum tensor, to explore the prospects for negative-phase-velocity (NPV) propagation in gravitationally affected vacuum, did not consider (i) the total energy-momentum tensor and (ii) the global perspective of curved spacetime. Also, the appearance of NPV was wrongly attributed to a change in signature of the spacetime metric.

Original language	English
Pages (from-to)	323-328
Number of pages	6
Journal	Journal of modern optics
Volume	55
Issue number	2
DOIs	https://doi.org/10.1080/09500340701388072
Publication status	Published - 2008

Keywords / Materials (for Non-textual outputs)

ROTATING BLACK-HOLE
PHASE-VELOCITY PROPAGATION
TRAVERSABLE WORMHOLES
ELECTROMAGNETIC-WAVES
GENERAL RELATIVITY
ENERGY
ERGOSPHERE
FIELDS
LIGHT

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10.1080/09500340701388072

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title = "Response to 'On negative refraction in classical vacuum'",

abstract = "An analysis [McCall, M.W.J. Mod. Opt. 2007, 54, 119-128] based on the electromagnetic energy-momentum tensor, to explore the prospects for negative-phase-velocity (NPV) propagation in gravitationally affected vacuum, did not consider (i) the total energy-momentum tensor and (ii) the global perspective of curved spacetime. Also, the appearance of NPV was wrongly attributed to a change in signature of the spacetime metric.",

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author = "Mackay, {Tom G.} and Akhlesh Lakhtakia",

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AU - Mackay, Tom G.

AU - Lakhtakia, Akhlesh

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AB - An analysis [McCall, M.W.J. Mod. Opt. 2007, 54, 119-128] based on the electromagnetic energy-momentum tensor, to explore the prospects for negative-phase-velocity (NPV) propagation in gravitationally affected vacuum, did not consider (i) the total energy-momentum tensor and (ii) the global perspective of curved spacetime. Also, the appearance of NPV was wrongly attributed to a change in signature of the spacetime metric.

KW - ROTATING BLACK-HOLE

KW - PHASE-VELOCITY PROPAGATION

KW - TRAVERSABLE WORMHOLES

KW - ELECTROMAGNETIC-WAVES

KW - GENERAL RELATIVITY

KW - ENERGY

KW - ERGOSPHERE

KW - FIELDS

KW - LIGHT

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SN - 0950-0340

VL - 55

SP - 323

EP - 328

JO - Journal of modern optics

JF - Journal of modern optics

IS - 2

ER -

Response to 'On negative refraction in classical vacuum'

Abstract

Keywords / Materials (for Non-textual outputs)

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