Samiksha Jaiswal (Editor)

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

H ^ = J 1 ∑ ⟨ i j ⟩ S → i ⋅ S → j + J 2 ∑ ⟨ ⟨ i j ⟩ ⟩ S → i ⋅ S → j

References

J1 J2 model Wikipedia
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