3 papers
physics.chem-ph2024
On-the-Fly Ab Initio Hagedorn Wavepacket Dynamics: Single Vibronic Level Fluorescence Spectra of Difluorocarbene
Zhan Tong Zhang, Máté Visegrádi, Jiří J. L. Vaníček
Hagedorn wavepackets have been used to compute single vibronic level (SVL) spectra efficiently in model harmonic potentials. To make the Hagedorn approach practical for realistic p…
physics.chem-ph2024
Capturing anharmonic effects in single vibronic level fluorescence spectra using local harmonic Hagedorn wavepacket dynamics
Zhan Tong Zhang, Máté Visegrádi, Jiří J. L. Vaníček
Hagedorn wavepacket dynamics yields exact single vibronic level (SVL) fluorescence spectra in global harmonic models. To partially describe the effects of anharmonicity, important…
quant-ph2024
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…