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Resonant coherent excitation of hydrogen-like ions planar channeled in a crystal; Transition into the first excited state

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posted on 06.12.2019 by A. Babaev, Yu.L. Pivovarov
Abstract The presented program is designed to simulate the characteristics of resonant coherent excitation of hydrogen-like ions planar-channeled in a crystal. The program realizes the numerical algorithm to solve the Schrödinger equation for the ion-bound electron at a special resonance excitation condition. The calculated wave function of the bound electron defines probabilities for the ion to be in the either ground or first excited state, or to be ionized. Finally, in the outgoing beam the fractio... Title of program: RCE_H-like_1 Catalogue Id: AEKX_v1_0 Nature of problem When relativistic hydrogen-like ion moves in the crystal in the planar channeling regime, in the ion rest frame the time-periodic electric field acts on the bound electron. If the frequency of this field matches the transition frequency between electronic energy levels, the resonant coherent excitation can take place. Therefore, ions in the different states may be observed in the outgoing beam behind the crystal. To get the probabilities for the ion to be in the ground state or in the first exci ... Versions of this program held in the CPC repository in Mendeley Data AEKX_v1_0; RCE_H-like_1; 10.1016/j.cpc.2011.11.009 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)

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