We explain why the conventional argument for deriving the time-dependent Born-Oppenheimer approximation is incomplete and review recent mathematical results, which clarify the situation and at the same time provide a systematic scheme for higher order corrections. We also present a new elementary derivation of the correct second-order time-dependent Born-Oppenheimer approximation and discuss as applications the dynamics near a conical intersection of potential surfaces and reactive scattering.
Mots clés : Schrödinger equation, Born-Oppenheimer approximation, adiabatic methods, almost-invariant subspace
@article{M2AN_2007__41_2_297_0, author = {Panati, Gianluca and Spohn, Herbert and Teufel, Stefan}, title = {The time-dependent {Born-Oppenheimer} approximation}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {297--314}, publisher = {EDP-Sciences}, volume = {41}, number = {2}, year = {2007}, doi = {10.1051/m2an:2007023}, mrnumber = {2339630}, zbl = {1135.81338}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an:2007023/} }
TY - JOUR AU - Panati, Gianluca AU - Spohn, Herbert AU - Teufel, Stefan TI - The time-dependent Born-Oppenheimer approximation JO - ESAIM: Modélisation mathématique et analyse numérique PY - 2007 SP - 297 EP - 314 VL - 41 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an:2007023/ DO - 10.1051/m2an:2007023 LA - en ID - M2AN_2007__41_2_297_0 ER -
%0 Journal Article %A Panati, Gianluca %A Spohn, Herbert %A Teufel, Stefan %T The time-dependent Born-Oppenheimer approximation %J ESAIM: Modélisation mathématique et analyse numérique %D 2007 %P 297-314 %V 41 %N 2 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an:2007023/ %R 10.1051/m2an:2007023 %G en %F M2AN_2007__41_2_297_0
Panati, Gianluca; Spohn, Herbert; Teufel, Stefan. The time-dependent Born-Oppenheimer approximation. ESAIM: Modélisation mathématique et analyse numérique, Tome 41 (2007) no. 2, pp. 297-314. doi : 10.1051/m2an:2007023. http://www.numdam.org/articles/10.1051/m2an:2007023/
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