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Quantum Heisenberg model

The quantum Heisenberg model, developed by Werner Heisenberg, is a statistical mechanical model used in the study of critical points and phase transitions of magnetic systems, in which the spins of the magnetic systems are treated quantum mechanically. It is related to the prototypical Ising model, where at each site of a lattice, a spin σ i ∈ { ± 1 }…

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Solution by Bethe ansatz

Haldane conjecture

Applications

Extended symmetry

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Quantum Heisenberg model

Nodes72
Edges71
Triples3
Avg. degree1.97
Density0.027778
Components1

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Important terminology

displaystyle model heisenberg bethe spin spins quantum magnetic hamiltonian ansatz state sigma antiferromagnetic xxz ground one-dimensional lambda interaction xxx also

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SubjectPredicateObjectConfidenceSrc
the nonlinear Schrödinger equationinstance ofboth non-relativistic0.80text
and relativisticinstance ofboth non-relativistic0.80text
such as the S 2instance ofboth non-relativistic0.80text

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