Abstract
The dipole absorption spectrum of an electron in fluid helium is calculated by the maximum entropy method (MEM) numerical inversion of quantum Monte Carlo data obtained from a path integral Monte Carlo (PIMC) simulation at 309 K at the reduced densities ρ*=0.1, 0.3, 0.5, 0.7, and 0.9. Our results agree with the RISM-polaron theory results of Nichols and Chandler [A. L. Nichols III and D. Chandler, J. Chem. Phys. 87, 6671 (1987)] and the grid wave function calculation of Coker and Berne [D. F. Coker and B. J. Berne, J. Chem. Phys. 89, 2128 (1988)]. The method generated the expected long high frequency tail and the low density zero-frequency intensity caused by high conductivity. The method has also been tested by comparing the MEM absorption spectrum to the analytical spectrum of an electron confined in a spherical cavity of fluctuating radius, a model for a solvated electron in a localized state.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:12 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 7:05 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 11, 2024, 4:41 a.m.) |
Issued | 30 years, 8 months ago (Dec. 1, 1994) |
Published | 30 years, 8 months ago (Dec. 1, 1994) |
Published Print | 30 years, 8 months ago (Dec. 1, 1994) |
@article{Gallicchio_1994, title={The absorption spectrum of the solvated electron in fluid helium by maximum entropy inversion of imaginary time correlation functions from path integral Monte Carlo simulations}, volume={101}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.467892}, DOI={10.1063/1.467892}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Gallicchio, E. and Berne, B. J.}, year={1994}, month=dec, pages={9909–9918} }