Electromagnetic forces on a discrete spherical invisibility cloak under time-harmonic illumination

Chaumet, PC; Rahmani, A; Zolla, F; Nicolet, A

Electromagnetic forces on a discrete spherical invisibility cloak under time-harmonic illumination

Chaumet, PC Rahmani, A

Zolla, F Nicolet, A

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Publication Type:: Journal Article
Citation:: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 2012, 85 (5)
Issue Date:: 2012-05-08

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Field	Value	Language
dc.contributor.author	Chaumet, PC	en_US
dc.contributor.author	Rahmani, A https://orcid.org/0000-0001-7272-9106	en_US
dc.contributor.author	Zolla, F	en_US
dc.contributor.author	Nicolet, A	en_US
dc.date.issued	2012-05-08	en_US
dc.identifier.citation	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 2012, 85 (5)	en_US
dc.identifier.issn	1539-3755	en_US
dc.identifier.uri	http://hdl.handle.net/10453/22033
dc.description.abstract	We study electromagnetic forces and torques on a discrete spherical invisibility cloak under time-harmonic illumination. We consider the influence of material absorption and losses, and we show that while the impact of absorption on the optical force remains confined to frequencies near the absorption peak, its impact on the electromagnetic torque experienced by the cloak is spectrally broader and follows the spectrum of the absorption cross section of the cloak. We also investigate the mechanical shielding of a test particle within the cloak. We find that even an imperfect cloak can reduce the radiation pressure on the particle significantly; however, under certain conditions the force on the particle can be stronger than it would be in the absence of the cloak. © 2012 American Physical Society.	en_US
dc.relation.ispartof	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics	en_US
dc.relation.isbasedon	10.1103/PhysRevE.85.056602	en_US
dc.subject.classification	Fluids & Plasmas	en_US
dc.title	Electromagnetic forces on a discrete spherical invisibility cloak under time-harmonic illumination	en_US
dc.type	Journal Article
utslib.citation.volume	5	en_US
utslib.citation.volume	85	en_US
utslib.for	0105 Mathematical Physics	en_US
utslib.for	01 Mathematical Sciences	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	09 Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access
pubs.issue	5	en_US
pubs.publication-status	Published	en_US
pubs.volume	85	en_US

Abstract:

We study electromagnetic forces and torques on a discrete spherical invisibility cloak under time-harmonic illumination. We consider the influence of material absorption and losses, and we show that while the impact of absorption on the optical force remains confined to frequencies near the absorption peak, its impact on the electromagnetic torque experienced by the cloak is spectrally broader and follows the spectrum of the absorption cross section of the cloak. We also investigate the mechanical shielding of a test particle within the cloak. We find that even an imperfect cloak can reduce the radiation pressure on the particle significantly; however, under certain conditions the force on the particle can be stronger than it would be in the absence of the cloak. © 2012 American Physical Society.

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http://hdl.handle.net/10453/22033