Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

We present an improved method for numerical evaluation of the least nonvanishing eigenvalue in dissipative systems. It is based on a modified version of the reactive flux formula for the rate which eliminates the principal shortcomings of the original formulation. A new fourth-order algorithm is used to efficiently integrate the underlying generalized Langevin equation. The proposed methodology provides accurate eigenvalues with a small computational effort for systems which could not be accurately treated with the standard techniques. Its efficiency is tested for Brownian motion in a symmetric double well subject to an exponential friction kernel. The presented results demonstrate the applicability of the method in all regimes of interest, reaching from underdamped to overdamped Brownian motion.

Bibliography

Drozdov, A. N., & Tucker, S. C. (2001). An improved reactive flux method for evaluation of rate constants in dissipative systems. The Journal of Chemical Physics, 115(21), 9675–9684.

Authors 2
  1. Alexander N. Drozdov (first)
  2. Susan C. Tucker (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 8:01 a.m.)
Deposited 1 year, 6 months ago (Feb. 10, 2024, 11:41 a.m.)
Indexed 1 year, 1 month ago (July 10, 2024, 9:56 a.m.)
Issued 23 years, 8 months ago (Dec. 1, 2001)
Published 23 years, 8 months ago (Dec. 1, 2001)
Published Print 23 years, 8 months ago (Dec. 1, 2001)
Funders 0

None

@article{Drozdov_2001, title={An improved reactive flux method for evaluation of rate constants in dissipative systems}, volume={115}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1415342}, DOI={10.1063/1.1415342}, number={21}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Drozdov, Alexander N. and Tucker, Susan C.}, year={2001}, month=dec, pages={9675–9684} }