Thermal effects on a nonadiabatic spin-flip protocol of spin-orbit qubits

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http://hdl.handle.net/10138/319738

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Donvil , B , Ulcakar , L , Rejec , T & Ramsak , A 2020 , ' Thermal effects on a nonadiabatic spin-flip protocol of spin-orbit qubits ' , Physical Review B , vol. 101 , no. 20 , 205427 . https://doi.org/10.1103/PhysRevB.101.205427

Title: Thermal effects on a nonadiabatic spin-flip protocol of spin-orbit qubits
Author: Donvil, Brecht; Ulcakar, Lara; Rejec, Tomaz; Ramsak, Anton
Contributor: University of Helsinki, Department of Mathematics and Statistics
Date: 2020-05-26
Language: eng
Number of pages: 9
Belongs to series: Physical Review B
ISSN: 2469-9950
URI: http://hdl.handle.net/10138/319738
Abstract: We study the influence of a thermal environment on a nonadiabatic spin-flip driving protocol of spin-orbit qubits. The driving protocol operates by moving the qubit, trapped in a harmonic potential, along a nanowire in the presence of a time-dependent spin-orbit interaction. We consider the harmonic degrees of freedom to be weakly coupled to a thermal bath. We find an analytical expression for the Floquet states and derive the Lindblad equation for a strongly nonadiabatically driven qubit. The Lindblad equation corrects the dynamics of an isolated qubit with Lamb shift terms and a dissipative behavior. Using the Lindblad equation, the influence of a thermal environment on the spin-flip protocol is analyzed.
Subject: PYTHON FRAMEWORK
QUANTUM
DYNAMICS
QUTIP
111 Mathematics
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