Francesco Petruccione from the University of Kwazulu-Natal uploaded "Arbitrary spin in a spin bath: Exact dynamics and approximation techniques"

[Academia.edu]

Hi vinay, Francesco Petruccione (University of Kwazulu-Natal, Chemistry and Physics, Faculty Member) uploaded a paper in Physics this week: Arbitrary spin in a spin bath: Exact dynamics and approximation techniques A model of an arbitrary spin coupled to a bath of spins 1/2 in a star configuration is considered. The exact reduced dynamics of the central spin is found for the case of non-correlated initial conditions of the system and the bath. The exact solution is used to test two approximation techniques,... View Paper

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