| L.I. Schiff: Quantum mechanics, McGraw-Hill Kogakusha, Tokyo 1955 |
....the h wise action of the corresponding dynamics converges to the classical Hamiltonian dynamics. The connections with earlier approaches, based on the WKB method, or on Wigner distribution functions, or on the limits of coherent states are reviewed. Physics and Astronomy classification scheme PACS (1994) 03.65.Sq, 03.65.Db 1 FB Physik, Universitat Osnabruck, 49069 Osnabruck, Germany 2 Electronic mail: reinwer dosuni1.rz.Uni Osnabrueck.DE 1 1. Introduction The problem of taking the limit of quantum mechanics as h 0 is as old as quantum mechanics itself. Indeed, under the ....
....overlap of results and applications with the approach we are going to present. This list is necessarily incomplete, and no attempt has been made to evaluate the historical development of the subject, or to decide any priority claims. Nor can we adequately portray the merits of the different schools since our perspective is limited to the comparison with the approach of the present paper. A) The WKB method. Mas,Sch,Hel,Fro,DH,BS] One virtue of this well known approach is that it is so close to Schrodinger s beautiful series of papers establishing his wave mechanics. It fails mainly on ....
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L.I. Schiff: Quantum mechanics, McGraw-Hill Kogakusha, Tokyo 1955
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