M2-branes
E751296
M2-branes are two-dimensional membrane-like objects in M-theory that generalize strings and play a central role in the nonperturbative structure of the theory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M2-branes canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8684847 — 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: M2-branes Context triple: [M-theory, includes, M2-branes]
-
A.
M-theory
M-theory is a proposed unifying framework in theoretical physics that generalizes string theories into an eleven-dimensional model aiming to reconcile quantum mechanics with gravity.
-
B.
Black holes in string theory
Black holes in string theory are theoretical objects studied using string-theoretic tools to understand quantum aspects of gravity, spacetime, and information, notably in the context of ideas like holography and the AdS/CFT correspondence.
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C.
Green–Schwarz mechanism
The Green–Schwarz mechanism is a key anomaly-cancellation process in string theory that ensures the mathematical consistency of certain superstring models by eliminating gauge and gravitational anomalies.
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D.
Klebanov–Tseytlin background in type IIB supergravity
The Klebanov–Tseytlin background in type IIB supergravity is a celebrated solution describing fractional D3-branes on a conifold, providing a key holographic dual for a four-dimensional cascading gauge theory.
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E.
Seiberg–Witten theory
Seiberg–Witten theory is a framework in quantum field theory and string theory that uses supersymmetry to exactly analyze strongly coupled gauge theories, leading to profound insights into dualities and four-dimensional topology.
- 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: M2-branes Target entity description: M2-branes are two-dimensional membrane-like objects in M-theory that generalize strings and play a central role in the nonperturbative structure of the theory.
-
A.
M-theory
M-theory is a proposed unifying framework in theoretical physics that generalizes string theories into an eleven-dimensional model aiming to reconcile quantum mechanics with gravity.
-
B.
Black holes in string theory
Black holes in string theory are theoretical objects studied using string-theoretic tools to understand quantum aspects of gravity, spacetime, and information, notably in the context of ideas like holography and the AdS/CFT correspondence.
-
C.
Green–Schwarz mechanism
The Green–Schwarz mechanism is a key anomaly-cancellation process in string theory that ensures the mathematical consistency of certain superstring models by eliminating gauge and gravitational anomalies.
-
D.
Klebanov–Tseytlin background in type IIB supergravity
The Klebanov–Tseytlin background in type IIB supergravity is a celebrated solution describing fractional D3-branes on a conifold, providing a key holographic dual for a four-dimensional cascading gauge theory.
-
E.
Seiberg–Witten theory
Seiberg–Witten theory is a framework in quantum field theory and string theory that uses supersymmetry to exactly analyze strongly coupled gauge theories, leading to profound insights into dualities and four-dimensional topology.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
brane
ⓘ
extended object ⓘ object in M-theory ⓘ |
| appearsAs | fundamental object in low-energy limit of M-theory ⓘ |
| appearsInTheory | M-theory ⓘ |
| canEndOn | M5-branes ⓘ |
| canForm | stacks of coincident M2-branes ⓘ |
| chargeQuantizedBy | integral of G_4 flux ⓘ |
| couplesTo | 3-form gauge field C_3 of 11D supergravity ⓘ |
| dependsOnParameter | 11-dimensional Planck length ⓘ |
| generalizes | fundamental strings ⓘ |
| hasAction | kappa-symmetric worldvolume action ⓘ |
| hasBosonicWorldvolumeFields | embedding scalars into 11D spacetime ⓘ |
| hasDimensionality | 2 spatial dimensions ⓘ |
| hasElectricCouplingTo | 3-form potential C_3 ⓘ |
| hasFermionicWorldvolumeFields | worldvolume spinors ⓘ |
| hasMagneticDualObject | M5-branes ⓘ |
| hasSymmetry | Poincaré invariance on the 2+1D worldvolume (in flat background) ⓘ |
| hasTensionScaling | T ∝ 1/l_p^3 ⓘ |
| hasWorldvolumeDimension | 2+1 ⓘ |
| hasWorldvolumeSupersymmetry | N=8 in 3 dimensions (maximal) for a single brane in flat space ⓘ |
| hasWorldvolumeTheory | 3D supersymmetric field theory ⓘ |
| isBPSObject | yes, in appropriate backgrounds ⓘ |
| isDualTo | D2-branes in type IIA string theory ⓘ |
| isExampleOf | p-brane with p=2 ⓘ |
| isExtendedAlong | two spatial directions in target space ⓘ |
| isFundamentalIn | M-theory ⓘ |
| isImportantFor | microscopic understanding of black brane entropy in M-theory ⓘ |
| isKeyFor | understanding strong-coupling limit of type IIA string theory ⓘ |
| isNonperturbativeObjectIn | 11D supergravity ⓘ |
| isPointlikeIn | remaining 9 spatial dimensions of 11D spacetime ⓘ |
| isSupersymmetricSolutionOf | 11-dimensional supergravity equations of motion ⓘ |
| livesIn | 11-dimensional spacetime ⓘ |
| multipleBranesDescribedBy |
ABJM theory for stacks of M2-branes at C^4/Z_k
ⓘ
BLG theory for two M2-branes ⓘ |
| nearHorizonGeometry | AdS4 × S^7 for large number of coincident M2-branes ⓘ |
| participatesIn | M2–M5 brane systems ⓘ |
| playsRole | nonperturbative degrees of freedom in M-theory ⓘ |
| preserves | half of the supersymmetry in flat 11D background ⓘ |
| reducesTo | fundamental strings under compactification of M-theory on a circle ⓘ |
| relatedByCompactificationTo | D2-branes and fundamental strings in 10D string theories ⓘ |
| relatedTo | M5-branes via brane intersections ⓘ |
| sourceFor | 4-form field strength G_4 in 11D supergravity ⓘ |
| stackWorldvolumeTheory | interacting 3D superconformal Chern–Simons-matter theory ⓘ |
| usedToConstruct | AdS4/CFT3 dual pairs ⓘ |
| worldvolumeTheoryType | superconformal field theory in 2+1 dimensions ⓘ |
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: M2-branes Description of subject: M2-branes are two-dimensional membrane-like objects in M-theory that generalize strings and play a central role in the nonperturbative structure of the theory.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.