DOI: 10.1063/1.446941. Classical dynamics of a coupled double well oscillator in condensed media. II

Classical dynamics of a coupled double well oscillator in condensed media. II

10.1063/1.446941

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The influence exerted on reaction processes by the coupling between the reaction coordinate x and transverse nonreactive modes is discussed. Attention is mainly focused on the synergism of inertia and multiplicative fluctuation, which enhances the reaction rate throughout a wide domain, ranging from the high to the low-friction region. The high-friction region is explored by applying the adiabatic elimination procedure (AEP) described in the first paper of this series: When the relaxation time of x is larger than that of the nonreactive mode, a new term occurs. This term is shown to be responsible for making the ‘‘noise-induced phase transition effects’’ discussed in the first paper more pronounced. The low-friction region is explored with a first-passage time procedure by using energy as the slow variable. The synergism of inertia and multiplicative noise is then shown to produce finite reaction rates even in conditions where Kramers theory predicts them to be vanishingly small.

Bibliography

Fonseca, T., Gomes, J. A. N. F., Grigolini, P., & Marchesoni, F. (1984). Classical dynamics of a coupled double well oscillator in condensed media. II. The Journal of Chemical Physics, 80(5), 1826â1830.

Authors 4

Teresa Fonseca (first)
J. A. N. F. Gomes (additional)
Paolo Grigolini (additional)
Fabio Marchesoni (additional)

References 16 Referenced 13

10.1063/1.446233 / J. Chem. Phys. (1983)
10.1063/1.441713 / J. Chem. Phys. (1981)
10.1103/PhysRevA.26.1676 / Phys. Rev. A (1982)
10.1103/PhysRevA.20.1628 / Phys. Rev. A (1979)
10.1016/S0031-8914(40)90098-2 / Physica (1940)
10.1007/BF01313802 / Z. Phys. B (1982)
10.1016/0009-2614(81)85521-2 / Chem. Phys. Lett. (1981)
10.1016/0375-9601(82)90277-8 / Phys. Lett. A (1982)
10.1016/0009-2614(82)83009-1 / Chem. Phys. Lett. (1982)
10.1063/1.444277 / J. Chem. Phys. (1982)
10.1103/PhysRevLett.49.423 / Phys. Rev. Lett. (1982)
10.1016/0378-4371(81)90007-8 / Physica A (1981)
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10.1016/0009-2614(83)80807-0 / Chem. Phys. Lett. (1983)
10.1063/1.439204 / J. Chem. Phys. (1980)

Dates

Type	When
Created	22 years, 5 months ago (Feb. 28, 2003, 12:18 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 8:51 p.m.)
Indexed	1 year, 2 months ago (June 7, 2024, 7:34 p.m.)
Issued	41 years, 5 months ago (March 1, 1984)
Published	41 years, 5 months ago (March 1, 1984)
Published Print	41 years, 5 months ago (March 1, 1984)

Funders 0

None

BibTeX

@article{Fonseca_1984, title={Classical dynamics of a coupled double well oscillator in condensed media. II}, volume={80}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.446941}, DOI={10.1063/1.446941}, number={5}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Fonseca, Teresa and Gomes, J. A. N. F. and Grigolini, Paolo and Marchesoni, Fabio}, year={1984}, month=mar, pages={1826–1830} }

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