Publications [#234989] of Weitao Yang

Journal Articles

1. Sun, Z; Yang, W, Communication: An exact short-time solver for the time-dependent Schrödinger equation., The Journal of chemical physics, vol. 134 no. 4 (January, 2011), pp. 041101, ISSN 0021-9606 [Gateway.cgi], [doi]
   (last updated on 2026/01/16)

   Abstract:
   The short-time integrator for propagating the time-dependent Schrödinger equation, which is exact to machine's round off accuracy when the Hamiltonian of the system is time-independent, was applied to solve dynamics processes. This integrator has the old Cayley's form [i.e., the Padé (1,1) approximation], but is implemented in a spectrally transformed Hamiltonian which was first introduced by Chen and Guo. Two examples are presented for illustration, including calculations of the collision energy-dependent probability passing over a barrier, and interaction process between pulse laser and the I(2) diatomic molecule.