Article ID Journal Published Year Pages File Type
1868152 Physics Letters A 2006 5 Pages PDF
Abstract

We have investigated the ground-state and the thermal entanglement properties of a two-dimensional frustrated spin 1/2 cluster by calculating the pairwise concurrence and negativity. It is found that an increase in temperature can lead to an enhancement of pairwise entanglement for a certain range of the frustration parameter. We have, also, found that negativity is equal to the half of the concurrence for the model considered here.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
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