Magnetic entanglement in J(1)-J(2) model

Eryiǧit R., Gündüç Y., Eryiǧit R.

PHYSICS LETTERS A, cilt.349, sa.1-4, ss.37-44, 2006 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 349 Sayı: 1-4
  • Basım Tarihi: 2006
  • Doi Numarası: 10.1016/j.physleta.2005.08.095
  • Dergi Adı: PHYSICS LETTERS A
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.37-44
  • Anahtar Kelimeler: J(1)-J(2) model, concurrence, quantum phase transitions, NEAREST-NEIGHBOR INTERACTION, THERMAL ENTANGLEMENT, LINEAR CHAIN, XXZ CHAIN, HEISENBERG, STATE, IMPURITY
  • Ankara Üniversitesi Adresli: Hayır

Özet

We study ground-state and thermal pairwise concurrence in one-dimensional frustrated spin-1/2 antiferromagnetic J(1)-J(2) model embedded in a uniform magnetic field. Frustration is found to change the magnetic field dependence of concurrence qualitatively. Especially concurrence between second and third neighbors show interesting behavior around the critical values of the external magnetic field. (c) 2005 Elsevier B.V. All rights reserved.