111 citations · 1.9k across the 84 of their papers we have counts for
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Simulation of the multiphase configuration and phase transitions with quantum walks utilizing a step-dependent coin
S. Panahiyan, S. Fritzsche
Quantum walks are versatile simulators of topological phases and phase transitions as observed in condensed matter physics. Here, we utilize a step dependent coin in quantum walks…
Near L-edge photoionization of triply charged iron ions
Randolf Beerwerth, Ticia Buhr, Alexander Perry-Saßmannshausen +12
Relative cross sections for -fold photoionization () of Fe by single photon absorption were measured employing the photon-ion merged-beams setup PIPE at the…
QED radiative corrections to the P-P fine-structure in fluorinelike ions
A. V. Volotka, M. Bilal, R. Beerwerth +3
Ab initio calculations of QED radiative corrections to the - fine-structure transition energy are performed for selected F-like ions. These calculations are…
High-precision calculations of the spin-allowed transition in C {\small III}
Moazzam Bilal, Andrey V Volotka, Randolf Beerwerth +3
Large-scale relativistic calculations are performed for the transition energy and line strength of the transition in Be-like…
Increasing the efficiency of quantum walk with entangled qubits
S. Panahiyan, S. Fritzsche
We investigate how arbitrary number of entangled qubits affects properties of quantum walk. We consider variance, positions with non-zero probability density and entropy as criteri…
Ab initio QED treatment of the two-photon annihilation of positrons with bound electrons
V. A. Zaytsev, A. V. Volotka, D. Yu +4
The process of a positron $\unicode{x2013}$ bound-electron annihilation with simultaneous emission of two photons is investigated theoretically. A fully relativistic formalism base…