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Computer Optics, 2019, Volume 43, Issue 4, Pages 562–566 (Mi co678)  

OPTO-IT

Qubit dynamics in an external laser field

D. M. Vasilev, V. V. Semin

Samara National Research University, Moskovskoye Shosse 34, 443086, Samara, Russia

Abstract: In this paper, dynamics of a qubit in an external laser field is investigated for the non-Markov environment described by an Ornstein-Uhlenbeck process. A non-linear non-Markovian stochastic Schrödinger equation is derived for the quantum system. The stochastic equation is preserved for a positive semi-definite of the density matrix and its trace. By the numerical solution of the equation, the probability of finding the system in the excited state and the influence of non-Markov noise parameters on this probability are studie.

Keywords: stochastic Schrödinger equation, non-Markovian dynamics, qubit.

Funding Agency Grant Number
Russian Foundation for Basic Research 18-32-00249\18
The work was supported by the Russian Foundation for Basic Research under RFBR grant No. 18-32-00249\18.


DOI: https://doi.org/10.18287/2412-6179-2019-43-4-562-566

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Full text: http://www.computeroptics.smr.ru/.../430407.html
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Received: 21.02.2019
Accepted:25.03.2019

Citation: D. M. Vasilev, V. V. Semin, “Qubit dynamics in an external laser field”, Computer Optics, 43:4 (2019), 562–566

Citation in format AMSBIB
\Bibitem{VasSem19}
\by D.~M.~Vasilev, V.~V.~Semin
\paper Qubit dynamics in an external laser field
\jour Computer Optics
\yr 2019
\vol 43
\issue 4
\pages 562--566
\mathnet{http://mi.mathnet.ru/co678}
\crossref{https://doi.org/10.18287/2412-6179-2019-43-4-562-566}


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