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J1 J2 model

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The J1-J2 model is a quantum spin model like the Heisenberg model but also includes a term for the interaction between next-nearest neighbor spins.

Hamiltonian

See Also

References

  • J1-J2 model: First-order phase transition versus deconfinement of spinons Phys. Rev. B 73, 184420 (2006) [7 pages] [1]
  • J1-J2 model: Energy, correlations, and order-parameter fluctuations on finite lattices (1992) Phys. Rev. B 45, 7832 (1992) [2]
  • Phase diagram of the frustrated spin-1/2 Heisenberg antiferromagnet in 2 dimensions (1989) Phys. Rev. Lett. 63, 2148 - 2151 (1989) [3]
  • On Next-Nearest-Neighbor Interaction in Linear Chain. II (1969) J. Math. Phys. 10, 1388 (1969); DOI:10.1063/1.1664978 [4]
  • On Next-Nearest-Neighbor Interaction in Linear Chain. I (1969) J. Math. Phys. 10, 1388 (1969); DOI:10.1063/1.1664978 [5]