Departmental Papers (MSE)

Document Type

Journal Article

Date of this Version

July 2006

Comments

Postprint version. Published in Physical Review B, Volume 74, Issue 4, Article 041405, July 2006, 4 pages.
Publisher URL: http://dx.doi.org/10.1103/PhysRevB.74.041405

Abstract

We report pump-probe transient absorption spectroscopy on carbon nanotubes with a high initial excitation density. We find that the recovery of the ground state optical absorption is well described by a 1/√t relaxation, indicating that the long time population relaxation is controlled by one-dimensional diffusion limited two body recombination.

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Date Posted: 01 December 2006

This document has been peer reviewed.