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Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:logic
|
| gptkbp:appliesTo |
quantum spin systems
|
| gptkbp:describes |
magnetism
|
| gptkbp:dimensions |
can be 1D, 2D, or 3D
|
| gptkbp:field |
gptkb:statistical_mechanics
condensed matter physics physics |
| gptkbp:formedBy |
1928
|
| gptkbp:Hamiltonian |
H = -J Σ S_i · S_j
|
| gptkbp:namedAfter |
gptkb:Werner_Heisenberg
|
| gptkbp:relatedTo |
quantum phase transitions
magnetic ordering |
| gptkbp:solvedExactly |
1D case (Bethe ansatz)
|
| gptkbp:spin |
can be S=1/2 or higher
|
| gptkbp:studies |
interactions between spins
|
| gptkbp:type |
gptkb:quantum_mechanical_model
|
| gptkbp:usedFor |
understanding antiferromagnetism
understanding ferromagnetism |
| gptkbp:variant |
gptkb:Ising_model
gptkb:XY_model |
| gptkbp:bfsParent |
gptkb:Bethe_ansatz
gptkb:Werner_Heisenberg |
| gptkbp:bfsLayer |
4
|
| https://www.w3.org/2000/01/rdf-schema#label |
Heisenberg model
|