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TITLE:
On the Theory and Application of Molecular Quantum Electrodynamics to
Inter-particle Interactions
SPEAKER:
Professor Akbar Salam,
TIME: Thursday Nov. 16, 2006 at 4:00 PM
PLACE: George P. Williams, Jr. Lecture Hall, (Olin 101)
Refreshments will be served at 3:30 PM in the lounge.
All interested persons are cordially invited to attend.
In the first part of this talk a brief outline will be given of the theory of
non-relativistic quantum electrodynamics in Coulomb gauge and the form of
the multipolar Hamiltonian. Standard application of the formalism to a number
of simple radiation-molecule processes will then be illustrated by means of
two alternate diagrammatic approaches, namely, the familiar time-ordered
graphs due to Feynman, and a recently developed state sequence representation
due to Andrews and co-workers.
In the second part of the seminar, results obtained from the
application of the theory to the calculation of the transfer rate
and energy shift associated with intermolecular interactions such as
resonant energy transfer, retarded dispersion forces, and
radiation-induced inter-particle interactions, will be presented.
Pair potentials that exhibit discriminatory effects will also be discussed.
100 Olin Physical Laboratory, 7507 Reynolda Station
Wake Forest University
Winston-Salem, NC 27109-7507
Phone: (336) 758-5337, FAX: (336) 758-6142
E-mail: wfuphys@wfu.edu
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