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[null,"1.","Record Nr.",null,"UNISA996466478203316"]
[null,null,"Autore",null,"Helffer Bernard"]
[null,null,"Titolo",null,"Semi-classical analysis for the Schrödinger operator and applications / / Bernard Helffer"]
[null,null,"Pubbl/distr/stampa",null,"Berlin : , : Springer-Verlag, , [1988]"]
[{"$nulls":4},"©1988"]
[null,null,"ISBN",null,"3-540-45913-8"]
[null,null,"Edizione",null,"[1st ed. 1988.]"]
[null,null,"Descrizione fisica",null,"1 online resource (V, 110 p.)"]
[null,null,"Collana",null,"Lecture notes in mathematics (Springer-Verlag) ; ; 1336"]
[null,null,"Disciplina",null,"515.724"]
[null,null,"Soggetti",null,"Schrödinger operator"]
[{"$nulls":4},"Differential equations, Partial - Asymptotic theory"]
[{"$nulls":4},"Spectral theory (Mathematics)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Bibliographic Level Mode of Issuance: Monograph"]
[null,null,"Nota di contenuto",null,"Generalities on semi-classical analysis -- B.K.W. Construction for a potential near the bottom in the case of non-degenerate minima -- The decay of the eigenfunctions -- Study of interaction between the wells -- An introduction to recent results of Witten -- On Schrödinger operators with periodic electric potentials -- On Schrödinger operators with magnetic fields."]
[null,null,null,"Sommario/riassunto","This introduction to semi-classical analysis is an extension of a course given by the author at the University of Nankai. It presents for some of the standard cases presented in quantum mechanics books a rigorous study of the tunneling effect, as an introduction to recent research work. The book may be read by a graduate student familiar with the classic book of Reed-Simon, and for some chapters basic notions in differential geometry. The mathematician will find here a nice application of PDE techniques and the physicist will discover the precise link between approximate solutions (B.K.W. constructions) and exact eigenfunctions (in every dimension). An application to Witten's approach for the proof of the Morse inequalities is given, as are recent results for the Schrödinger operator with periodic potentials."]