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quant-ph2024★ 5 cited
On Hagedorn wavepackets associated with different Gaussians
Jiří J. L. Vaníček, Zhan Tong Zhang
Hagedorn functions are carefully constructed generalizations of Hermite functions to the setting of many-dimensional squeezed and coupled harmonic systems. Wavepackets formed by su…
quant-ph2023★ 9 cited
High-order geometric integrators for the variational Gaussian approximation
Roya Moghaddasi Fereidani, Jiří J. L. Vaníček
Among the single-trajectory Gaussian-based methods for solving the time-dependent Schrödinger equation, the variational Gaussian approximation is the most accurate one. In contrast…