Size-Dependent Surface Plasmon Dynamics in Metal Nanoparticles
arXiv:cond-mat/9805163 · doi:10.1103/PhysRevLett.81.3120
Abstract
We study the effect of Coulomb correlations on the ultrafast optical dynamics of small metal particles. We demonstrate that a surface-induced dynamical screening of the electron-electron interactions leads to quasiparticle scattering with collective surface excitations. In noble-metal nanoparticles, it results in an interband resonant scattering of d-holes with surface plasmons. We show that this size-dependent many-body effect manifests itself in the differential absorption dynamics for frequencies close to the surface plasmon resonance. In particular, our self-consistent calculations reveal a strong frequency dependence of the relaxation, in agreement with recent femtosecond pump-probe experiments.
8 pages + 4 figures, final version accepted to PRL
Cited by in corpus (14)
- Theory of plasmon-enhanced metal photoluminescence
- Many-body Correlation Effects in the Ultrafast Nonlinear Optical Response of Confined Fermi Seas
- Microscopic theory of surface-enhanced Raman scattering in noble-metal nanoparticles
- Ab initio calculations of the dynamical response of copper
- Coherent Ultrafast Optical Dynamics of the Fermi Edge Singularity
- Surface collective excitations in ultrafast pump-probe spectroscopy of metal nanoparticles
- Size-dependent Correlation Effects in Ultrafast Optical Dynamics of Metal Nanoparticles
- Theory of Optical Rectification Effect in Metallic Thin Film with Periodic Modulation
- Anomaly in the relaxation dynamics close to the surface plasmon resonance
- Hot carrier dynamics in a dispersionless plasmonic system
- Plasmonic nano-resonator enhanced one-photon luminescence from single gold nanorods
- Purcell factor for plasmon-enhanced metal photoluminescence
- Compound Hertzian Chain Model for Copper-Carbon Nanocomposites' Absorption Spectrum
- Luminescence engineering in plasmonic meta-surfaces