caa a22 4500 465818560 CHVBK 20180323112129.0 cr unu---uuuuu 170327e19900501xx s 000 0 eng 10.1007/BF01114678 doi (NATIONALLICENCE)springer-10.1007/BF01114678 Hagedorn George Department of Mathematics and Center for Transport Theory and Mathematical Physics, Virginia Polytechnic Institute and State University, 24061-0123, Blacksburg, VA, USA aut Electron energy level crossings in the time-dependent Born-Oppenheimer approximation [Elektronische Daten] [George Hagedorn] Summary: We summarize the results of a mathematical study of the time-dependent Born-Oppenheimer approximation near crossings of two non-degenerate electron energy surfaces. We illustrate our techniques by relatively simple examples that contain the essential ingredients of the general cases. We discuss all generic types of crossings of two non-degenerate electron energy surfaces. Springer-Verlags, 1990 Born-Oppenheimer approximation nationallicence Level crossings nationallicence Adiabatic approximation nationallicence Semiclassical approximation nationallicence Theoretica chimica acta Springer-Verlag 77/3(1990-05-01), 163-190 0040-5744 77:3<163 1990 77 214 https://doi.org/10.1007/BF01114678 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01114678 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Hagedorn George Department of Mathematics and Center for Transport Theory and Mathematical Physics, Virginia Polytechnic Institute and State University, 24061-0123, Blacksburg, VA, USA aut NATIONALLICENCE 773 0- Theoretica chimica acta Springer-Verlag 77/3(1990-05-01), 163-190 0040-5744 77:3<163 1990 77 214 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer