Thermal entanglement in two-qutrit spin-1 anisotropic Heisenberg model with inhomogeneous magnetic field

doi:10.1088/1674-1056/19/9/090319

Abstract The thermal entanglement of a two-qutrit spin-1 anisotropic Heisenberg XXZ chain in an inhomogeneous magnetic field is studied in detail. The effects of the external magnetic field (B), a parameter b which controls the inhomogeneity of B, and the bilinear interaction parameters J_x=J_y≠J_z on the thermal variation of the negativity are studied in detail. It is found that negativity N decreases when the values of magnetic field, inhomogeneity b and temperature are increasing. In addition, N remains at higher temperatures for higher values of J_z and lower values of B and b.

Keywords: negativity XXZ model thermal entanglement qutrit spin-1 magnetic field

Received: 18 February 2010
Revised: 13 April 2010
Accepted manuscript online:

PACS:	0367
	7540F

Cite this article:

Erhan Albayrak Thermal entanglement in two-qutrit spin-1 anisotropic Heisenberg model with inhomogeneous magnetic field 2010 Chin. Phys. B 19 090319

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Thermal entanglement in two-qutrit spin-1 anisotropic Heisenberg model with inhomogeneous magnetic field

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