PHYSICAL REVIEW A ATOMIC, MOLECULAR, AND OPTICAL PHYSICS Editor BERND CRASEMANN (University of Oregon) Associate Editors Senior Assistants to the Editor LEE A. COLLINS Senior Assistant Editor DEBBIE BRODBAR (Los Alamos MARGARET MALLOY MARGARET FOSTER National Laboratory) VALERIE L. MILLER LORENZO NARDUCCI (Drexel University) Assistant to the Editor JOANNA POPADIUK STEPHEN J. SMITH (Joint Institute for Editorial Assistant Laboratory Astrophysics) GARY T. BEDFORD Editorial Board Term ending 31 December 1997 Term ending 31 December 1998 Terms ending 31 December 1999 K. BURNETT-atomic, molecular, L.J. CURTIS - atomic physics L.E. BALLENTINE-quantum theory and optical W.R. JOHNSON-atomic theory B.-G. ENGLERT-quantum optics H.J. CARMICHAEL-quantum optics P. MEYSTRE-quantum optics E.E. EYLER-atomic and E. MERZBACHER-quantum theory T.N. RESCIGNO-molecular theory molecular physics P.W. MILONNI-theoretical physics A.F. STARACE-atomic theory R. LOUDON-quantum optics R.F. 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