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cond-mat.stat-mech2019★ 78 cited
Fast, accurate simulation of polaron dynamics and multidimensional spectroscopy by multiple Davydov trial states
Nengji Zhou, Lipeng Chen, Zhongkai Huang +3
By employing the Dirac-Frenkel time-dependent variational principle, we study the dynamical properties of the Holstein molecular crystal model with diagonal and off-diagonal excito…
cond-mat.stat-mech2014★ 35 cited
Ground state properties of sub-Ohmic spin-boson model with simultaneous diagonal and off-diagonal coupling
Nengji Zhou, Lipeng Chen, Yang Zhao +2
By employing the variational approach, density matrix renormalization group (DMRG), exact diagonalization as well as symmetry and mean-field analyses, the ground state properties o…