FIZIKA B 4 (1995) 3, 259-272

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TIME DEPENDENT PERTURBATION THEORY AND THE ZEL'DOVICH ELECTRIC DIPOLE MOMENT IN ATOMS

DUBRAVKO TADIÆ1, DENNIS E. KRAUSE2, EPHRAIM FISCHBACH2 AND DANIEL SUDARSKY3
1Physics Department, Faculty of Science, University of Zagreb, Zagreb, Croatia
2Physics Department, Purdue University, West Lafayette, IN 47907-1396, U.S.A.
3Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, México D. F. 04510, Mexico

Dedicated to Professor Mladen Paiæ on the occasion of his 90th birthday

Received 6 July 1995

We use time dependent perturbation theory to investigate the Zel'dovich electric dipole moment. We show that the vanishing Stark shift and non-vanishing torque arise from different time dependences used in their calculation.

UDC 530.145
PACS 13.40.Em
Copyright by The Croatian Physical Society
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