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quant-ph2022
A characteristic-spectral-mixed scheme for six-dimensional Wigner-Coulomb dynamics
Yunfeng Xiong, Yong Zhang, Sihong Shao
Numerical resolution for 6-D Wigner dynamics under the Coulomb potential faces with the combined challenges of high dimensionality, nonlocality, oscillation and singularity. In par…
quant-ph2014
A trigonometric integrator for the constrained ring polymer Hamiltonian dynamics
Yunfeng Xiong
A class of trigonometric integrator is proposed for the constrained ring polymer Hamiltonian dynamics, arising from the path integral molecular dynamics. The integrator is formulat…