Entanglement in a Dimerized Antiferromagnetic Heisenberg Chain

Preprint English OPEN
Hao, Xiang; Zhu, Shiqun;
(2008)
  • Subject:
    arxiv: Condensed Matter::Strongly Correlated Electrons | Computer Science::Databases | Quantum Physics

The entanglement properties in an antiferromagnetic dimerized Heisenberg spin-1/2 chain are investigated. The entanglement gap, which is the difference between the ground-state energy and the minimal energy that any separable state can attain, is calculated to detect th... View more
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