Nano Archive

Radiation damping in metal nanoparticle pairs

Dahmen, Christian and Schmidt, Benjamin and von Plessen, Gero (2007) Radiation damping in metal nanoparticle pairs. NANO LETTERS, 7 (2). pp. 318-322.

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The radiation damping rate of plasmon resonances in pairs of spherical gold nanoparticles is calculated. The radiative line width of the plasmon resonance indicates significant far-field coupling between the nanoparticles over distances many times the particle diameter. The radiation damping of the coupled particle-plasmon mode alternates between superradiant and subradiant behavior when the particle spacing is varied. At small particle spacings where near-field coupling occurs, the radiation damping rate lies far below that of an isolated particle.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
ID Code:2620
Deposited By:Anuj Seth
Deposited On:09 Jan 2009 15:18
Last Modified:20 Jan 2009 11:29

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