Periodically driven quantum systems provide a powerful route to engineer novel states of matter by controlling their effective Hamiltonians through external fields. However, most treatments are usually simplified by considering the high-frequency limit, and do not account for the processes taking place in the transient...
Floquet theory provides insight into the inversion of time-dependent Kohn-Sham density functional theory. Specifically, mathematical derivations show that the fundamental frequencies of a time-dependent wavefunction solution are the leading-order harmonics for the TD-KS state. Numerical tests of the resulting ansatz in...
Paul M. Zimmerman, J. Kammeraad, Duy-Khoi Dang et al.· 0 citations
In this work, we study finite-time effects in ultracold atomic systems by considering time-dependent modulations with variable waveforms and durations. These two characteristics can be controlled by adjusting only a single parameter. For arbitrarily short pulses, our model recovers the paradigmatic kicked rotor while m...
Simulating photodissociation becomes challenging when the number of states involved grows large. The computational complexity is usually reduced by restrictions that limit the model’s scope. We present a first-principles quantum model for strong-field photodissociation that treats rotational dynamics explicitly. The ra...
B. Ezra, S. Kallush, R. Kosloff· Journal of Physical Chemistr...· 1 citation
Time crystals are a unique and recently discovered state of matter in which time-translational symmetry is spontaneously broken. Although this state has been observed across a variety of quantum systems, understanding the nature between driving, dissipation, and noise and the effects of these forces on the state lifeti...
William J. Watterson, Dixith Manchaiah, C. Holloway· 0 citations
In this work, we constructed parametric-time coherent states (CS) for a superintegrable Coulomb-type system using the Feynman path integral formalism. This system corresponds to a deformation-dependent extension of the Kepler–Coulomb potential and exhibits maximal superintegrability governed by an indexing parameter. U...
N. Kandirmaz· Physica Scripta· 0 citations
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