Thermal Entanglement In The Two - Qubit And Three - Qubit Heisenberg XX Chain

Details Thermal Entanglement In The Two - Qubit And Three - Qubit Heisenberg XX Chain Thermal Entanglement In The Two - Qubit And Three - Qubit Heisenberg XX Chain

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..899..720o&link_type=abstract

SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP Conference Proceedings, Volume 899, pp. 720-720 (2007).

Statistics

Computation

Quantum Computation, Quantized Spin Models

Scientific paper

Entanglement plays an important role in quantum computation and quantum information processing. It is therefore of interest to investigate the thermal entanglement in Heisenberg models. In this study, we analyze the dependence of entanglement in Heisenberg XX - chain on temperature. Moreover we talked about the definition of concurrence. Concurrence C ranges from zero to one, which is monotonically relate to EOF, so that the concurrence C is kind of measurements of entanglement. The concurrence of the thermal and ground state entanglement were calculated for the two - qubit and three - qubit Heisenberg XX - chain.

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