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@article{Pendry:2022:10.1364/OPTICA.462488,
author = {Pendry, JB and Galiffi, E and Huidobro, PA},
doi = {10.1364/OPTICA.462488},
journal = {Optica},
pages = {724--730},
title = {Photon conservation in trans-luminal metamaterials},
url = {http://dx.doi.org/10.1364/OPTICA.462488},
volume = {9},
year = {2022}
}

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TY  - JOUR
AB  - Structures that appear to move at or near the velocity of light contain singular points. Energy generated by motion accumulates at these points into ever-narrowing peaks. In this paper, we show that energy is generated by a curious process that conserves the number of photons, adding energy by forcing photons already present to climb a ladder of increasing frequency. We present both a classical proof based on conservation of lines of force, and a more formal quantum electrodynamics proof demonstrating the absence of unpaired creation and annihilation operators. Exceptions to this rule are found when negative frequencies make an appearance. Finally, we make a connection to laboratory-based models of black holes and Hawking radiation.
AU  - Pendry,JB
AU  - Galiffi,E
AU  - Huidobro,PA
DO  - 10.1364/OPTICA.462488
EP  - 730
PY  - 2022///
SN  - 2334-2536
SP  - 724
TI  - Photon conservation in trans-luminal metamaterials
T2  - Optica
UR  - http://dx.doi.org/10.1364/OPTICA.462488
UR  - https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000822022700009&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://opg.optica.org/optica/fulltext.cfm?uri=optica-9-7-724&id=477398
UR  - http://hdl.handle.net/10044/1/99281
VL  - 9
ER  -

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