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Non-hermitian Hamil...
Non-hermitian Hamiltonian description for quantum plasmonics: from dissipative dressed atom picture to Fano states
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- Varguet, H. (author)
- Université Bourgogne Franche-Comté,University of Burgundy - Franche-Comté
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- Rousseaux, Benjamin, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dzsotjan, D. (author)
- Magyar Tudomanyos Akademia,Hungarian Academy of Sciences
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- Jauslin, H. R. (author)
- Université Bourgogne Franche-Comté,University of Burgundy - Franche-Comté
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- Guerin, S. (author)
- Université Bourgogne Franche-Comté,University of Burgundy - Franche-Comté
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- des Francs, G. Colas (author)
- Université Bourgogne Franche-Comté,University of Burgundy - Franche-Comté
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(creator_code:org_t)
- 2019-02-13
- 2019
- English.
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In: Journal of Physics B: Atomic, Molecular and Optical Physics. - : IOP Publishing. - 1361-6455 .- 0953-4075. ; 52:5
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Abstract
Subject headings
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- We derive effective Hamiltonians for a single dipolar emitter coupled to a metal nanoparticle (MNP) with particular attention devoted to the role of losses. For small particles sizes, absorption dominates and a non-hermitian effective Hamiltonian describes the dynamics of the hybrid emitter-MNP nanosource. We discuss the coupled system dynamics in the weak and strong coupling regimes offering a simple understanding of the energy exchange, including radiative and non-radiative processes. We define the plasmon Purcell factors for each mode. For large particle sizes, radiative leakages can significantly perturbate the coupling process. We propose an effective Fano Hamiltonian including plasmon leakages and discuss the link with the quasi-normal mode description. We also propose Lindblad equations for each situation and introduce a collective dissipator for describing the Fano behavior.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Fano states
- quantum plasmonics
- non-hermitian
Publication and Content Type
- art (subject category)
- ref (subject category)
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