DOI: 10.1063/1.439675. Non-Markovian effects on vibrational energy relaxation in liquids

Non-Markovian effects on vibrational energy relaxation in liquids

10.1063/1.439675

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

We consider the non-Markovian effects on vibrational relaxation which can occur when the bath relaxation rate is comparable to or slower than the relaxation of the vibrational degrees of freedom. We carry out quantum mechanical simulations of a two level system strongly coupled to a bath of known statistical properties (either a Poisson or a Gaussian process) and show that the relaxation is surprisingly insensitive to the nature of the bath. Small oscillations in the relaxation are found for the Poisson simulation which maybe observable in high resolution picosecond experiments. We investigate both cumulant expansion and memory function descriptions of relaxation in the non-Markovian limit and show that neither approach provides quantitatively accurate results.

Bibliography

Abbott, R. J., & Oxtoby, D. W. (1980). Non-Markovian effects on vibrational energy relaxation in liquids. The Journal of Chemical Physics, 72(7), 3972â3978.

Authors 2

Richard J. Abbott (first)
David W. Oxtoby (additional)

References 11 Referenced 27

10.1063/1.436754 / J. Chem. Phys. (1978)
10.1063/1.435652 / J. Chem. Phys. (1978)
10.1016/0009-2614(76)80331-4 / Chem. Phys. Lett. (1976)
10.1103/RevModPhys.50.607 / Rev. Mod. Phys. (1978)
10.1063/1.1682570 / J. Chem. Phys. (1974)
10.1016/0009-2614(77)80525-3 / Chem. Phys. Lett. (1977)
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10.1063/1.437257 / J. Chem. Phys. (1979)
10.1103/PhysRevA.17.1988 / Phys. Rev. A (1978)
10.1103/PhysRevA.11.1371 / Phys. Rev. A (1975)

Dates

Type	When
Created	22 years, 6 months ago (Feb. 28, 2003, 3 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 4:05 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 2:43 a.m.)
Issued	45 years, 5 months ago (April 1, 1980)
Published	45 years, 5 months ago (April 1, 1980)
Published Print	45 years, 5 months ago (April 1, 1980)

Funders 0

None

BibTeX

@article{Abbott_1980, title={Non-Markovian effects on vibrational energy relaxation in liquids}, volume={72}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.439675}, DOI={10.1063/1.439675}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Abbott, Richard J. and Oxtoby, David W.}, year={1980}, month=apr, pages={3972–3978} }

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