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Relaxation, thermalization, and Markovian dynamics of two spins coupled to a spin bath

De Raedt, H., Jin, F., Katsnelson, M. I. & Michielsen, K., 13-Nov-2017, In : Physical Review E. 96, 5, 17 p., 053306.

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  • Relaxation, thermalization, and Markovian dynamics of two spins coupled to a spin bath

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DOI

It is shown that by fitting a Markovian quantum master equation to the numerical solution of the time-dependent Schrodinger equation of a system of two spin-1/2 particles interacting with a bath of up to 34 spin-1/2 particles, the former can describe the dynamics of the two-spin system rather well. The fitting procedure that yields this Markovian quantum master equation accounts for all non-Markovian effects in as much the general structure of this equation allows and yields a description that is incompatible with the Lindblad equation.

Original languageEnglish
Article number053306
Number of pages17
JournalPhysical Review E
Volume96
Issue number5
Publication statusPublished - 13-Nov-2017

    Keywords

  • LINEAR-RESPONSE, QUANTUM, SYSTEMS

ID: 97965165