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|Title:||Retarded intermolecular interactions involving diamagnetic molecules||Authors:||SALAM, Akbar||Issue Date:||2000||Publisher:||JOHN WILEY & SONS INC||Source:||INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, 78(6). p. 437-442||Abstract:||Second- and third-order time-dependent perturbation theory within the multipolar framework of nonrelativistic quantum electrodynamics is used to calculate the retarded dispersion interaction between two diamagnetic molecules, a diamagnetic molecule and a magnetic-dipole susceptible molecule, and a diamagnetic molecule and an electric-quadrupole polarizable molecule. New expressions for the energy shift valid for all intermolecular separation distances, R, beyond the region of overlap of molecular electronic wave functions and applicable to a pair of randomly oriented molecules in the ground electronic state are given. The R-dependent behavior of the far-zone limit of the interaction energies is also examined. (C) 2000 John Wiley & Sons, Inc.||Notes:||Univ London Univ Coll, Dept Chem, London WC1H 0AJ, England.||Keywords:||molecular quantum electrodynamics; intermolecular interactions; virtual photon exchange; retardation effects; diamagnetic coupling||Document URI:||http://hdl.handle.net/1942/9051||ISI #:||000087197800004||Category:||A1||Type:||Journal Contribution||Validations:||ecoom 2001|
|Appears in Collections:||Research publications|
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