Groupe de Physique Statistique

Equipe 106, Institut Jean Lamour

                     
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Séminaire de groupe

Entanglement via quantum repeated interactions
Pierre Wendenbaum
Equipe 106, Institut Jean Lamour
jeudi 16 janvier 2014 , 10h25
Salle de séminaire du groupe de Physique Statistique

We study the entanglement dynamics, via the concurrence, between spins belonging to two different XX chains coupled on one edge to a quantum reservoir. This reservoir is modelled by an infinite set of Bell pairs, each constituent of the pairs interacting repeatedly with one chain only. The state of the whole system being Gaussian during the evolution, the system is characterized by means of two points fermionic correlations functions. We find that the steady state of the repeated interaction process leads to a steady state that is an alternation of maximally entangled states formed by pairs of spins belonging to the two chains.



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