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International Journal of Theoretical Physics

, Volume 48, Issue 3, pp 885–893 | Cite as

Global Entanglement Measures and Quantum Phase Transitions in the 1D J 1J 2 Model

  • Recep Eryiğit
Article

Abstract

We have analyzed the behavior of multipartite global entanglement and average bipartite concurrence for the sign of quantum phase transitions in the frustrated J 1J 2 model by using exact diagonalization technique for a chain of 12 qubits. It is found that although the magnitude of two classes of the measures show opposite trends the absolute value of their derivatives show similar structure near critical points.

Keywords

J1J2 model Global entanglement Quantum phase transitions 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Department of Computer EngineeringPamukkale UniversityDenizliTurkey

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