TIME-DEPENDENT

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An Exact Propagator for Solving the Triatomic Reactive Schrodinger Equation
《Chinese Journal of Chemical Physics》2017年第6期761-770,I0003,共11页李学明 孙志刚 
The exact short time propagator, in a form similar to the Crank-Nicholson method but in the spirit of spectrally transformed Hamiltonian, was proposed to solve the triatomic reactive time-dependent schrodinger equatio...
关键词:Time-dependent wavepacket method Spectral difference Spectrally transformed Hamiltonian Exact short time propagator Reactive scattering 
Hermiticity of Hamiltonian Matrix using the Fourier Basis Sets in Bond-Bond-Angle and Radau Coordinates
《Chinese Journal of Chemical Physics》2016年第1期112-122,I0002,共12页于德权 黄鹤 Gunnar Nyman 孙志刚 
This work was supported by the National Basic Research Program of China (No.2013CB922200), the National Natural Science Foundation of China (No.21222308, No.21103187, and No.21133006), the Chinese Academy of Sciences, and the Key Research Program of the Chinese Academy of Sciences.
In quantum calculations a transformed Hamiltonian is often used to avoid singularities in a certain basis set or to reduce computation time. We demonstrate for the Fourier basis set that the Hamiltonian can not be arb...
关键词:Discrete variable representation HERMITICITY Time-dependent wavepacket method Absorption spectra 
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