8th Liquid Matter Conference September 6-10, 2011 Wien, Austria ...

P2.88Tue 611:23-14:00Effects of interaction potential and hydrodynamicinteraction on the diffusion-influenced bimolecularreaction ratesChang Yun Son 1 and Sangyoub Lee 11 Seoul National University, Kwanakgu Daehakdong Seoul National University,Dept. of Chemistry 502-228 151-747, Seoul, South KoreaWe investigate the effects of various interaction potentials on the diffusion-influenced bimolecularreaction rates. Using recently suggested propagator expression for diffusive dynamics of a pair ofparticles under spherical symmetric condition, we obtain an accurate expression of the propagatorfor diffusive dynamics of a pair of particles interacting via an arbitrary central potential and hydrodynamicinteraction. Both totally-diffusion influenced reactions and partially-diffusion influencedreactions are considered. The reaction rate of diffusion-influenced bimolecular reaction and therecombination probability of geminate species separated initially by an arbitrary distance r 0 canbe calculated with the propagator expression. It is shown that our propagator expression providesnear exact results for the whole time region.88