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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 8 — Aug. 1, 2014
  • pp: 1845–1852

Ground-state entanglement of spin-1 bosons undergoing superexchange interactions in optical superlattices

Artur Barasiński, Wiesław Leoński, and Tomasz Sowiński  »View Author Affiliations


JOSA B, Vol. 31, Issue 8, pp. 1845-1852 (2014)
http://dx.doi.org/10.1364/JOSAB.31.001845


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Abstract

We will discuss a model with ultracold atoms confined in optical superlattices. In particular, we will study the ground-state properties of two spin-1 bosons trapped in a double-well potential. Depending on the external magnetic field and biquadratic interactions, different phases of magnetic order are realized. Applying von Neumann entropy and the number of relevant orbitals, we will quantify the bipartite entanglement between particles. Changing the values of the parameters determining the superlattices, we can switch the system between differently entangled states.

© 2014 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: April 1, 2014
Revised Manuscript: May 29, 2014
Manuscript Accepted: June 8, 2014
Published: July 15, 2014

Citation
Artur Barasiński, Wiesław Leoński, and Tomasz Sowiński, "Ground-state entanglement of spin-1 bosons undergoing superexchange interactions in optical superlattices," J. Opt. Soc. Am. B 31, 1845-1852 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-8-1845

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