Dynamics of entanglement in a one-dimensional Ising chain

G. B. Furman, V. M. Meerovich, and V. L. Sokolovsky
Phys. Rev. A 77, 062330 – Published 19 June 2008

Abstract

The evolution of entanglement in a one-dimensional Ising chain is numerically studied under various initial conditions. We analyze two problems concerning the dynamics of entanglement: (i) generation of the entanglement from the pseudopure separable state and (ii) transportation of the entanglement from one end of the chain to the other. The model investigated is a one-dimensional Ising spin-1/2 chain with nearest-neighbor interactions placed in an external magnetic field and irradiated by a weak resonant transverse field. The possibility of selective initialization of partially entangled states is considered. It was shown that, in spite of the use of a model with direct interactions between the nearest neighbors, entanglement between remote spins is generated.

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  • Received 28 February 2008

DOI:https://doi.org/10.1103/PhysRevA.77.062330

©2008 American Physical Society

Authors & Affiliations

G. B. Furman1,2, V. M. Meerovich1, and V. L. Sokolovsky1

  • 1Physics Department, Ben Gurion University, Beer Sheva, P.O. Box 653, 84105, Israel
  • 2Ohalo College, Qazrin, P.O. Box 222, 12900, Israel

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Issue

Vol. 77, Iss. 6 — June 2008

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