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SUMMARY:Dynamics of Charge and energy transport: what's the reaction coord
 inate? - Prof. Eric Bittner\, Univ. of Houston
DTSTART:20071016T133000Z
DTEND:20071016T143000Z
UID:TALK8743@talks.cam.ac.uk
CONTACT:Jan Anton Koster
DESCRIPTION:Today's seminar will focus entirely upon quantum condensed pha
 se dynamics\, specifically we ask "How do\nnuclear motions tune and contro
 l the electronic states before\, during\, and following a quantum transiti
 on?"   I will discuss our recent work in developing both approximate non-M
 arkovian and time-local theories for computing transition rates and decohe
 rence envelopes as well as the use of numerically exact approaches for sol
 ving the time-dependent Schrodinger eq in systems with up to 30 vibrationa
 l degrees of freedom and 3 electronic states. We have applied these techni
 ques to a number of systems\, most recently to the TFB:F8BT polymer hetero
 junction. I will comment briefly upon the effect of stacking on the electr
 on transfer rates\nbetween polymers\, the role of intermediate (dark) exci
 plex states\, and the role of slow vs. fast nuclear motions in determining
  the transfer dynamics.
LOCATION:IRC Superconductivity Seminar Room\, Cavendish Laboratory\, Depar
 tment of Physics
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