Search Results - "Grossmann, Frank"

Assessing the Accuracy of Quantum Dynamics Performed in the Time-Dependent Basis Representation by Garashchuk, Sophya, Großmann, Frank

“…A full quantum-mechanical (QM) description of large amplitude nuclear motion, associated with chemical reactions or isomerization of high-dimensional molecular…”
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Coherent state based solutions of the time-dependent Schrödinger equation: hierarchy of approximations to the variational principle by Werther, Michael, Choudhury, Sreeja Loho, Großmann, Frank

“…In this review, we give a comprehensive comparison of the most widely used coherent state (CS) based methods to solve the time-dependent Schrödinger equation…”
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Schrödinger-Cat States in Landau-Zener-Stückelberg-Majorana Interferometry: A Multiple Davydov Ansatz Approach by Wang, Lu, Zheng, Fulu, Wang, Jiaming, Großmann, Frank, Zhao, Yang

“…Employing the time-dependent variational principle combined with the multiple Davydov D Ansatz, we investigate Landau-Zener (LZ) transitions in a qubit coupled…”
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Revealing quantum effects in bosonic Josephson junctions: a multi-configuration atomic coherent state approach by Qiao, Yulong, Grossmann, Frank

“…The mean-field approach to two-site Bose–Hubbard systems is well-established and leads to non-linear classical equations of motion for population imbalance and…”
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Entanglement in the full state vector of boson sampling by Qiao, Yulong, Huh, Joonsuk, Grossmann, Frank

“…The full state vector of boson sampling is generated by passing S S single photons through beam splitters of M M modes. We express the initial Fock state in…”
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On the Husimi Version of the Classical Limit of Quantum Correlation Functions by Loho Choudhury, Sreeja, Großmann, Frank

“…We extend the Husimi (coherent state) based version of linearized semiclassical theories for the calculation of correlation functions to the case of survival…”
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Non-Markovian dissipative semiclassical dynamics by Koch, Werner, Grossmann, Frank, Stockburger, Jürgen T, Ankerhold, Joachim

“…The exact stochastic decomposition of non-Markovian dissipative quantum dynamics is combined with the time-dependent semiclassical initial value formalism. It…”
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Electron Pumping under Non-Markovian Dissipation: The Role of the Self-Consistent Field by Grossmann, Frank, Sakurai, Atsunori, Tanimura, Yoshitaka

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Optimization of electron pumping by harmonic mixing by Rohling, Niklas, Grossmann, Frank

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Schrödinger-Cat States in Landau–Zener–Stückelberg–Majorana Interferometry: A Multiple Davydov Ansatz Approach by Wang, Lu, Zheng, Fulu, Wang, Jiaming, Großmann, Frank, Zhao, Yang

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The Davydov D1.5 Ansatz for the quantum Rabi model by Werther, Michael, Grossmann, Frank

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A finite-difference implementation of the Caldeira-Leggett master equation by Grossmann, Frank, Koch, Werner

“…The Caldeira-Leggett master equation for dissipative quantum dynamics has predominantly been implemented in phase space, where it plays the role of a quantum…”
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An analytical approach to high harmonic generation by Zagoya, Carlos, Goletz, Christoph-Marian, Grossmann, Frank, Rost, Jan-Michael

“…With the recently introduced concept of dominant interaction Hamiltonians, we construct numerically as well as analytically the spectrum of high harmonics (HH)…”
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Semiclassical non-Markovian Brownian motion in anharmonic potentials by Koch, Werner, Großmann, Frank, Stockburger, Jürgen T., Ankerhold, Joachim

“…The combination of an exact stochastic decomposition of non-Markovian dissipative quantum dynamics with the semiclassical initial value formalism is applied to…”
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Dissociation and ionization of small molecules steered by external noise by Kenfack, Anatole, Rost, Jan M, Großmann, Frank

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Electron–nuclear correlations in mixed quantum–classical calculations of laser-induced ionization and dissociation by Uhlmann, Mathias, Großmann, Frank, Kunert, Thomas, Schmidt, Rüdiger

“…Mixed quantum–classical methods, in which the electronic system is described quantum mechanically and the nuclear system classically, allow an efficient…”
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A semiclassical hybrid approach to linear response functions for infrared spectroscopy by Grossmann, Frank

“…Based on the integral representation of the semiclassical propagator of Herman and Kluk (HK), and in the limit of high temperatures, we formulate a hybrid…”
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Semiclassical formulation of non-Markovian quantum Brownian motion by Koch, Werner, Großmann, Frank, Ankerhold, Joachim, Stockburger, Jürgen T.

“…Recently it was shown [W. Koch, F. Grossmann, J.T. Stockburger, J. Ankerhold, Phys. Rev. Lett. 100 (2008) 230402] that a combination of an exact stochastic…”
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Nonadiabatic dynamics of ethylene in femtosecond laser pulses by Kunert, Thomas, Grossmann, Frank, Schmidt, Rüdiger

“…The dynamics of the ethylene molecule in femtosecond laser pulses is studied as a function of the laser parameters using an ab initio time-dependent approach,…”
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From the coherent state path integral to a semiclassical initial value representation of the quantum mechanical propagator by Grossmann, Frank, Xavier, Ademir Luis

“…We give a derivation of the semiclassical propagator of Herman and Kluk (HK) which is based on the coherent state path integral technique. Our procedure…”
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