Elastic Purcell Effect

Schmidt, MK; Helt, LG; Poulton, CG; Steel, MJ

Elastic Purcell Effect

Schmidt, MK Helt, LG Poulton, CG

Steel, MJ

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Publication Type:: Journal Article
Citation:: Physical Review Letters, 2018, 121 (6)
Issue Date:: 2018-08-08

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Field	Value	Language
dc.contributor.author	Schmidt, MK	en_US
dc.contributor.author	Helt, LG	en_US
dc.contributor.author	Poulton, CG https://orcid.org/0000-0002-2707-3424	en_US
dc.contributor.author	Steel, MJ	en_US
dc.date.issued	2018-08-08	en_US
dc.identifier.citation	Physical Review Letters, 2018, 121 (6)	en_US
dc.identifier.issn	0031-9007	en_US
dc.identifier.uri	http://hdl.handle.net/10453/130282
dc.description.abstract	© 2018 American Physical Society. In this work, we introduce an elastic analog of the Purcell effect and show theoretically that spherical nanoparticles can serve as tunable and robust antennas for modifying the emission from localized elastic sources. This effect can be qualitatively described by introducing elastic counterparts of the familiar electromagnetic parameters: local density of elastic states, elastic Purcell factor, and effective volume of elastic modes. To illustrate our framework, we consider the example of a submicron gold sphere as a generic elastic GHz antenna and find that shear and mixed modes of low orders in such systems offer considerable elastic Purcell factors. This formalism opens pathways towards extended control over dissipation of vibrations in various optomechanical systems and contributes to closing the gap between classical and quantum-mechanical treatments of phonons localized in elastic nanoresonators.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP160101691
dc.relation.ispartof	Physical Review Letters	en_US
dc.relation.isbasedon	10.1103/PhysRevLett.121.064301	en_US
dc.subject.classification	General Physics	en_US
dc.title	Elastic Purcell Effect	en_US
dc.type	Journal Article
utslib.citation.volume	6	en_US
utslib.citation.volume	121	en_US
utslib.for	0203 Classical 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	open_access
pubs.issue	6	en_US
pubs.publication-status	Published	en_US
pubs.volume	121	en_US

Abstract:

© 2018 American Physical Society. In this work, we introduce an elastic analog of the Purcell effect and show theoretically that spherical nanoparticles can serve as tunable and robust antennas for modifying the emission from localized elastic sources. This effect can be qualitatively described by introducing elastic counterparts of the familiar electromagnetic parameters: local density of elastic states, elastic Purcell factor, and effective volume of elastic modes. To illustrate our framework, we consider the example of a submicron gold sphere as a generic elastic GHz antenna and find that shear and mixed modes of low orders in such systems offer considerable elastic Purcell factors. This formalism opens pathways towards extended control over dissipation of vibrations in various optomechanical systems and contributes to closing the gap between classical and quantum-mechanical treatments of phonons localized in elastic nanoresonators.

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http://hdl.handle.net/10453/130282