t-J model
E487030
The t-J model is a theoretical framework in condensed matter physics used to describe strongly correlated electrons on a lattice, particularly in the study of high-temperature superconductivity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| t-J model canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5004333 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: t-J model Context triple: [resonating valence bond theory, relatedTo, t-J model]
-
A.
Hubbard model
The Hubbard model is a fundamental theoretical model in condensed matter physics that describes interacting electrons on a lattice and is widely used to study phenomena such as magnetism, metal–insulator transitions, and high-temperature superconductivity.
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B.
Heisenberg model
The Heisenberg model is a fundamental theoretical framework in quantum mechanics and condensed matter physics that describes interacting spins on a lattice and underpins much of our understanding of magnetism in materials.
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C.
resonating valence bond theory
Resonating valence bond theory is a quantum mechanical model of electron pairing and spin correlations in strongly correlated materials, proposed to explain phenomena such as high-temperature superconductivity.
-
D.
Schrieffer
Schrieffer is the surname of John Robert Schrieffer, the American physicist and Nobel laureate known for co-developing the BCS theory of superconductivity.
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E.
Mott insulator
A Mott insulator is a material that, despite having partially filled electronic bands that should allow conduction, behaves as an electrical insulator due to strong electron–electron interactions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: t-J model Target entity description: The t-J model is a theoretical framework in condensed matter physics used to describe strongly correlated electrons on a lattice, particularly in the study of high-temperature superconductivity.
-
A.
Hubbard model
The Hubbard model is a fundamental theoretical model in condensed matter physics that describes interacting electrons on a lattice and is widely used to study phenomena such as magnetism, metal–insulator transitions, and high-temperature superconductivity.
-
B.
Heisenberg model
The Heisenberg model is a fundamental theoretical framework in quantum mechanics and condensed matter physics that describes interacting spins on a lattice and underpins much of our understanding of magnetism in materials.
-
C.
resonating valence bond theory
Resonating valence bond theory is a quantum mechanical model of electron pairing and spin correlations in strongly correlated materials, proposed to explain phenomena such as high-temperature superconductivity.
-
D.
Schrieffer
Schrieffer is the surname of John Robert Schrieffer, the American physicist and Nobel laureate known for co-developing the BCS theory of superconductivity.
-
E.
Mott insulator
A Mott insulator is a material that, despite having partially filled electronic bands that should allow conduction, behaves as an electrical insulator due to strong electron–electron interactions.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
lattice model
ⓘ
model in condensed matter physics ⓘ theoretical model ⓘ |
| appliesTo | electrons on a lattice ⓘ |
| assumes |
low-energy subspace without doubly occupied sites
ⓘ
strong on-site Coulomb repulsion ⓘ |
| captures |
competition between magnetism and superconductivity
ⓘ
effects of hole doping in Mott insulators ⓘ |
| derivedFrom | Hubbard model in the large-U limit ⓘ |
| describes | strongly correlated electrons ⓘ |
| describesPhase |
antiferromagnetic order
ⓘ
spin liquid states ⓘ stripe phases ⓘ superconducting order ⓘ |
| energyScaleCondition | J much smaller than t ⓘ |
| field |
condensed matter physics
ⓘ
theoretical physics ⓘ |
| HamiltonianContains |
Heisenberg exchange term
ⓘ
projected hopping term ⓘ |
| hasParameter |
J
ⓘ
t ⓘ |
| includesConstraint | no double occupancy ⓘ |
| includesInteraction |
nearest-neighbor hopping
ⓘ
nearest-neighbor spin exchange ⓘ |
| motivatedBy | discovery of high-Tc cuprate superconductors ⓘ |
| reducesTo | Heisenberg model at half-filling ⓘ |
| relatedConcept |
Gutzwiller projection
NERFINISHED
ⓘ
projected Hilbert space ⓘ |
| relatedTo |
Heisenberg model
NERFINISHED
ⓘ
Hubbard model NERFINISHED ⓘ |
| relevantTo |
copper-oxide planes in cuprates
ⓘ
cuprate superconductors ⓘ |
| studiedUsing |
density matrix renormalization group
NERFINISHED
ⓘ
exact diagonalization ⓘ quantum Monte Carlo methods ⓘ slave-boson mean-field theory ⓘ variational wave functions ⓘ |
| symbol_J_represents | antiferromagnetic exchange interaction ⓘ |
| symbol_t_represents | electron hopping amplitude ⓘ |
| typicalLattice |
square lattice
ⓘ
two-dimensional lattice ⓘ |
| usedFor |
study of doped Mott insulators
ⓘ
study of high-temperature superconductivity ⓘ study of strongly correlated electron systems ⓘ |
| yearIntroducedApprox | late 1980s ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: t-J model Description of subject: The t-J model is a theoretical framework in condensed matter physics used to describe strongly correlated electrons on a lattice, particularly in the study of high-temperature superconductivity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.