Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
statistical physics model
|
| gptkbp:describes |
magnetic systems with quenched disorder
|
| gptkbp:exhibits |
disorder-driven phase transitions
|
| gptkbp:field |
gptkb:statistical_mechanics
condensed matter physics |
| gptkbp:h_i |
random field at site i
|
| gptkbp:hasDimensionDependence |
lower critical dimension is 2
|
| gptkbp:hasHamiltonian |
H = -J Σ⟨i,j⟩ S_i S_j - Σ_i h_i S_i
|
| https://www.w3.org/2000/01/rdf-schema#label |
random field Ising model
|
| gptkbp:introduced |
gptkb:Imry_and_Ma
|
| gptkbp:introducedIn |
1975
|
| gptkbp:J |
exchange interaction constant
|
| gptkbp:relatedTo |
gptkb:Ising_model
gptkb:Edwards-Anderson_model gptkb:spin_glasses magnetic materials phase transition theory ferromagnets with impurities quenched disorder |
| gptkbp:S_i |
spin variable at site i
|
| gptkbp:studiedIn |
lattice systems
|
| gptkbp:studies |
effects of random external fields on spin systems
|
| gptkbp:usedIn |
study of phase transitions
study of critical phenomena |
| gptkbp:bfsParent |
gptkb:Ising_model
|
| gptkbp:bfsLayer |
5
|