Doorway–window description of sequential three-pulse photon echo signals

Gelin, M.F., and Kosov, D.S. (2008) Doorway–window description of sequential three-pulse photon echo signals. Chemical Physics, 347 (1-3). pp. 177-184.

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Abstract

The doorway–window (DW) approach is extended to the description of the three-pulse photon echo (3PPE) signals, provided we can neglect the transient terms decaying as ~Ei(T) (Ei(T) are the envelopes of the pulses involved and T is the interpulse delay time during which the material system is in its electronic population state). A simplified version of the DW approach is also developed, which is valid if we can additionally drop the transient terms decaying as ~Ei(τ), τ being the interpulse delay time during which the material system is in its electronic coherent state. The proof-of-the-principle calculations of the 3PPE signal for the displaced harmonic oscillator model demonstrate that the simplified DW approach performs well, sometimes even beyond its expected domain of validity.

Item ID: 26209
Item Type: Article (Research - C1)
ISSN: 1873-4421
Keywords: ultrafast spectroscopy; three-pulse photon echo; doorway–window approach
Date Deposited: 10 Apr 2013 02:23
FoR Codes: 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 50%
03 CHEMICAL SCIENCES > 0307 Theoretical and Computational Chemistry > 030799 Theoretical and Computational Chemistry not elsewhere classified @ 50%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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