JMP  Vol.6 No.15 , December 2015
Entanglement in the Quantum Phase Transition of the Half-Integer Spin One-Dimensional Heisenberg Model
Author(s) Leonardo S. Lima
ABSTRACT
We use the Bethe’s ansatz method to study the entanglement of spinons in the quantum phase transition of half integer spin one-dimensional magnetic chains known as quantum wires. We calculate the entanglement in the limit of the number of particles . We obtain an abrupt change in the entanglement next the quantum phase transition point of the anisotropy parameter  from the gapped phase  to gapless phase .

Cite this paper
Lima, L. (2015) Entanglement in the Quantum Phase Transition of the Half-Integer Spin One-Dimensional Heisenberg Model. Journal of Modern Physics, 6, 2231-2238. doi: 10.4236/jmp.2015.615228.
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