Journal
CHEMICAL PHYSICS LETTERS
Volume 511, Issue 1-3, Pages 16-21Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2011.05.064
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Funding
- Swedish Research Council (VR)
- Carl Tryggers Stiftelse (CTS) foundation
- Swedish Infrastructure Committee (SNIC) [SNIC 022/09-25]
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We highlight Resonant Raman scattering as a dynamical process with a finite duration time that results from not only the irreversible homogeneous broadening but also the reversible dephasing caused by the detuning from the resonance, which acts as a camera shutter with a regulated scattering duration. This provides a practical tool of controlling the scattering time. We show that the typical dephasing rates in gas and condensed matter phases are not sufficiently high to make the scattering fast. The detuning from the resonance leads to a strong purification of Raman spectrum from the contamination by higher overtones and soft modes. (C) 2011 Elsevier B.V. All rights reserved.
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