title: A simple derivation of the Landau-Zener formula.
abstract: Using the contour integration approach proposed earlier, we find a simple derivation of the Landau-Zener formula which does not use explicitly the solution of the Schrödinger equation.
authors.affiliation: Division of Quantum and Physical Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium. Anh.Holetuan@chem.kuleuven.be Liviu.Chibotaru@chem.kuleuven.be.
authors.forename: Le Tuan Anh
authors.initials: le TA
authors.lastname: Ho
authors.forename: Liviu F
authors.initials: LF
authors.lastname: Chibotaru