Abstract
In this paper, we report on first applications of the Two-Layer Gaussian-based Multi-Configuration Time-Dependent Hartree (2L-GMCTDH) method to nonadiabatic dynamics. Simulations of ultrafast, coherent charge transfer dynamics are performed for a two-state linear vibronic coupling model describing an oligothiophene-fullerene charge transfer complex, for system dimensions ranging from 20 to 100 modes. Different variants of the state-dependent 2L-GMCTDH propagation are assessed, notably single-set and multi-set versions, along with a third hybrid variant. It is shown that the method is suitable to perform accurate and efficient nonadiabatic dynamics simulations in many dimensions.
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