17 citations · 33 across the 5 of their papers we have counts for
4 papers · 1 filter
Complex time method for quantum dynamics when an exceptional point is encircled in the parameter space
Petra Ruth Kapralova-Zdanska
We revisit the complex time method for the application to quantum dynamics as an exceptional point is encircled in the parameter space of the Hamiltonian. The basic idea of the com…
Quasiclassical approach to quantum quench dynamics in the presence of an excited-state quantum phase transition
Michal Kloc, Daniel Šimsa, Filip Hanák +3
The dynamics of a quantum system following a sudden, highly non-adiabatic change of its control parameter (quantum quench) is studied with quasiclassical techniques. Recent works h…
Complex scaling spectrum using multiple avoided crossings at stabilization graph
Petra Ruth Kapralova-Zdanska
This study concerns finite basis set calculations of resonances based on real scaling, . I demonstrate that resonance width is generally influence…
Coalescence of two branch points in complex time marks the end of rapid adiabatic passage and the start of Rabi oscillations
Petra Ruth Kapralova-Zdanska, Milan Sindelka, Nimrod Moiseyev
We study theoretically the population transfer in two-level atoms driven by chirped lasers. It is known that in the Hermitian case, the rapid adiabatic passage (RAP) is stable for…