Bardeen black hole model
E37416
The Bardeen black hole model is a theoretical proposal of a regular (non-singular) black hole solution in general relativity that avoids the central singularity by coupling gravity to nonlinear electrodynamics.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Bardeen black hole | 2 |
| Bardeen black hole model canonical | 1 |
| Bardeen regular black hole | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T292599 — 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: Bardeen black hole model Context triple: [James M. Bardeen, notableWork, Bardeen black hole model]
-
A.
Oppenheimer–Snyder model
The Oppenheimer–Snyder model is a pioneering theoretical description of gravitational collapse in general relativity, providing one of the first rigorous treatments of how a massive star can form a black hole.
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B.
Schwarzschild black hole
A Schwarzschild black hole is the simplest theoretical black hole solution in general relativity, describing a static, spherically symmetric, non-rotating, uncharged mass with an event horizon defined by the Schwarzschild radius.
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C.
The Mathematical Theory of Black Holes
The Mathematical Theory of Black Holes is a landmark monograph that presents a rigorous, comprehensive treatment of the physics and mathematics underlying black hole solutions in general relativity.
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D.
Kerr metric
The Kerr metric is the exact general relativity solution describing the spacetime geometry around a rotating, uncharged black hole.
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E.
Reissner–Nordström metric
The Reissner–Nordström metric is an exact solution in general relativity describing the spacetime geometry outside a static, spherically symmetric, electrically charged black hole.
- 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: Bardeen black hole model Target entity description: The Bardeen black hole model is a theoretical proposal of a regular (non-singular) black hole solution in general relativity that avoids the central singularity by coupling gravity to nonlinear electrodynamics.
-
A.
Oppenheimer–Snyder model
The Oppenheimer–Snyder model is a pioneering theoretical description of gravitational collapse in general relativity, providing one of the first rigorous treatments of how a massive star can form a black hole.
-
B.
Schwarzschild black hole
A Schwarzschild black hole is the simplest theoretical black hole solution in general relativity, describing a static, spherically symmetric, non-rotating, uncharged mass with an event horizon defined by the Schwarzschild radius.
-
C.
The Mathematical Theory of Black Holes
The Mathematical Theory of Black Holes is a landmark monograph that presents a rigorous, comprehensive treatment of the physics and mathematics underlying black hole solutions in general relativity.
-
D.
Kerr metric
The Kerr metric is the exact general relativity solution describing the spacetime geometry around a rotating, uncharged black hole.
-
E.
Reissner–Nordström metric
The Reissner–Nordström metric is an exact solution in general relativity describing the spacetime geometry outside a static, spherically symmetric, electrically charged black hole.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
non-singular black hole model
ⓘ
regular black hole solution ⓘ theoretical model in general relativity ⓘ |
| avoids | central singularity ⓘ |
| basedOnTheory | general relativity ⓘ |
| belongsTo | regular black hole family ⓘ |
| contrastsWith | Schwarzschild black hole singularity at r = 0 ⓘ |
| couplesGravityTo | nonlinear electrodynamics ⓘ |
| fieldEquationsSource | nonlinear electromagnetic field ⓘ |
| framework | classical general relativity with modified matter sector ⓘ |
| hasCoreBehavior | de Sitter-like core at small radius ⓘ |
| hasCurvatureInvariants | finite everywhere ⓘ |
| hasHorizonStructure |
can have an extremal horizon
ⓘ
can have no horizon depending on parameters ⓘ can have two horizons ⓘ |
| hasLimitingCase | de Sitter spacetime at the center ⓘ |
| hasLineElementForm | Schwarzschild-like with modified mass function ⓘ |
| hasParameter |
magnetic charge parameter
ⓘ
mass parameter ⓘ |
| hasProperty |
asymptotically Schwarzschild
ⓘ
asymptotically flat ⓘ no curvature singularity ⓘ regular at r = 0 ⓘ spherically symmetric ⓘ static ⓘ |
| inspired | subsequent regular black hole models ⓘ |
| interpretedAs | magnetic monopole solution in nonlinear electrodynamics ⓘ |
| introducedAs | first regular black hole solution ⓘ |
| massFunctionBehavior | effective mass goes to zero at r = 0 ⓘ |
| metricDependsOn | radial coordinate only ⓘ |
| metricType | spherically symmetric metric ⓘ |
| proposedBy | James M. Bardeen ⓘ |
| proposedInYear | 1968 ⓘ |
| reducesTo | Schwarzschild black hole for vanishing charge ⓘ |
| relatedTo |
Ayón-Beato–García regular black hole solutions
ⓘ
Hayward black hole model ⓘ |
| satisfies |
Einstein field equations with nonlinear electrodynamics source
ⓘ
weak energy condition in certain parameter ranges ⓘ |
| studiedInContextOf |
astrophysical black hole mimickers
ⓘ
cosmic censorship conjecture ⓘ information loss paradox ⓘ |
| usedAs | toy model for singularity resolution ⓘ |
| usedIn |
analyses of black hole thermodynamics
ⓘ
studies of black hole shadows ⓘ studies of gravitational lensing ⓘ studies of quantum gravity effects ⓘ studies of singularity avoidance ⓘ |
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: Bardeen black hole model Description of subject: The Bardeen black hole model is a theoretical proposal of a regular (non-singular) black hole solution in general relativity that avoids the central singularity by coupling gravity to nonlinear electrodynamics.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
James M. Bardeen
this entity surface form:
Bardeen black hole
this entity surface form:
Bardeen black hole
this entity surface form:
Bardeen regular black hole