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math.NA2024★ 1 cited
Sampling strategies for expectation values within the Herman--Kluk approximation
Fabian Kröninger, Caroline Lasser, Jiri J. L. Vanicek
When computing quantum-mechanical observables, the ``curse of dimensionality'' limits the naive approach that uses the quantum-mechanical wavefunction. The semiclassical Herman--Kl…
math.NA2023★ 9 cited
High-order geometric integrators for the local cubic variational Gaussian wavepacket dynamics
Roya Moghaddasi Fereidani, Jiří JL Vaníček
Gaussian wavepacket dynamics has proven to be a useful semiclassical approximation for quantum simulations of high-dimensional systems with low anharmonicity. Compared to Heller's…