We give a quantitative evaluation of the entanglement dynamics in scattering events between two electrons interacting via Coulomb potential in 1D systems, We apply a method, specifically designed for indistinguishable particles, based on the calculation of the von Neumann entropy of the system density matrix. From the timedependent numerical solution of the two-particle wavefunction we evaluate the entanglement evolution for different spin configurations. The procedure allows to understand the mechanisms that govern entanglement creation and its connection with the characteristic physical parameters and initial conditions of the system.

Simulation of decoherence in 1D systems, a comparison between distinguishable- and indistinguishable-particle collisions / F., Buscemi; Bordone, Paolo; A., Bertoni. - In: PHYSICA STATUS SOLIDI. C. - ISSN 1610-1642. - STAMPA. - 5:1(2008), pp. 139-142. (Intervento presentato al convegno 15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, HCIS15 tenutosi a Tokyo, jpn nel 2007) [10.1002/pssc.200776509].

Simulation of decoherence in 1D systems, a comparison between distinguishable- and indistinguishable-particle collisions

BORDONE, Paolo;
2008

Abstract

We give a quantitative evaluation of the entanglement dynamics in scattering events between two electrons interacting via Coulomb potential in 1D systems, We apply a method, specifically designed for indistinguishable particles, based on the calculation of the von Neumann entropy of the system density matrix. From the timedependent numerical solution of the two-particle wavefunction we evaluate the entanglement evolution for different spin configurations. The procedure allows to understand the mechanisms that govern entanglement creation and its connection with the characteristic physical parameters and initial conditions of the system.
2008
5
1
139
142
Simulation of decoherence in 1D systems, a comparison between distinguishable- and indistinguishable-particle collisions / F., Buscemi; Bordone, Paolo; A., Bertoni. - In: PHYSICA STATUS SOLIDI. C. - ISSN 1610-1642. - STAMPA. - 5:1(2008), pp. 139-142. (Intervento presentato al convegno 15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, HCIS15 tenutosi a Tokyo, jpn nel 2007) [10.1002/pssc.200776509].
F., Buscemi; Bordone, Paolo; A., Bertoni
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/421378
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