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- Title
Effect of Anisotropy on the Entanglement of Quantum States in a Spin Chain.
- Authors
Kartsev, P. F.; Kashurnikov, V. A.
- Abstract
The effect of the anisotropy of the interaction of a spin chain in the XXZ Heisenberg model on the concurrence of the states of neighboring sites is studied. When anisotropy increases, the maximum concurrence in a magnetic field increases above the value reached in the absence of the field. The maximum magnetic field allowing entanglement is linearly related to the anisotropy parameter. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
ANISOTROPY; PROPERTIES of matter; CRYSTALLOGRAPHY; MAGNETIC fields; FIELD theory (Physics); PHYSICS
- Publication
JETP Letters, 2004, Vol 80, Issue 6, p441
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1830665