Exciton mediated one phonon resonant Raman scattering from one-dimensional systems

Details Exciton mediated one phonon resonant Raman scattering from one-dimensional systems Exciton mediated one phonon resonant Raman scattering from one-dimensional systems

2006-04-21

arxiv.org/abs/cond-mat/0604515v1

Physics

Condensed Matter

Other Condensed Matter

10 pages, 6 figures

Scientific paper

10.1103/PhysRevB.74.205405

We use the Kramers-Heisenberg approach to derive a general expression for the resonant Raman scattering cross section from a one-dimensional (1D) system explicitly accounting for excitonic effects. The result should prove useful for analyzing the Raman resonance excitation profile lineshapes for a variety of 1D systems including carbon nanotubes and semiconductor quantum wires. We apply this formalism to a simple 1D model system to illustrate the similarities and differences between the free electron and correlated electron-hole theories.

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