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Published September 22, 1996 | Published
Journal Article Open

Femtosecond reaction dynamics in the gas-to-liquid transition region: Observation of a three-phase density dependence


We report the observation of a striking density dependence in the coherencedynamics of an elementary reaction, solute iodine in solvent rare gases (density from 0 to 50 mol/l). With the help of MD simulations, the time scales of slow and fast solvent‐force fluctuations are resolved and the underlying mechanism is revealed.

Additional Information

© 1996 American Institute of Physics. Received 26 June 1996; accepted 16 July 1996. Most of the simulation works were performed on the Delta parallel supercomputer located at Caltech. The authors are grateful to Professor Vincent McKoy for providing the access to the supercomputer. We thank Mr. Chris Hyland, Dr. Cristoph Lienau, and Mr. Manish Gupta for their help in the initial phase of the work and Professor David Chandler for helpful discussions.

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