Transfer of excited state between two qubits in an open waveguide

The probability amplitudes of the processes related to the transfer of the excited state from one qubit to another are calculated using an indirect interaction in an open waveguide. The system consists of two qubits located at an arbitrary distance from each other. The non-Hermitian effective Hamilt...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2018-03, Vol.44 (3), p.203-209
Main Authors: Sultanov, A. N., Greenberg, Ya. S.
Format: Article
Language:English
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Summary:The probability amplitudes of the processes related to the transfer of the excited state from one qubit to another are calculated using an indirect interaction in an open waveguide. The system consists of two qubits located at an arbitrary distance from each other. The non-Hermitian effective Hamiltonian approach used herein makes it possible to bypass using the Markovchain approximation method. Analytic expressions describing the probability of transfer of the excited state from one qubit to another under different initial states of the system were obtained.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.5024536