Teleportation via thermally entangled states of a two-qubit HeisenbergXXchain
- 20 December 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 66 (6) , 062312
- https://doi.org/10.1103/physreva.66.062312
Abstract
Recently, entanglement teleportation has been investigated by Lee and Kim [Phys. Rev. Lett. 84, 4236 (2000)]. In this paper we study entanglement teleportation via two separate thermally entangled states of a two-qubit Heisenberg chain. We established the condition under which the parameters of the model have to satisfy in order to teleport entanglement. The necessary minimum amount of thermal entanglement for some fixed strength of exchange coupling is a function of the magnetic field and the temperature.
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