M-theory
E206131
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| M-theory canonical | 7 |
| formulation of M-theory | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1847291 — 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: M-theory Context triple: [The Universe in a Nutshell, subject, M-theory]
-
A.
string theory
String theory is a theoretical framework in physics that models fundamental particles as one-dimensional vibrating strings in an attempt to unify quantum mechanics and general relativity.
-
B.
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.
-
C.
Superstring Theory, Volume 1: Introduction
Superstring Theory, Volume 1: Introduction is a foundational graduate-level textbook that systematically presents the basic concepts, mathematical framework, and physical motivations of superstring theory.
-
D.
Superstring Theory, Volume 2: Loop Amplitudes, Anomalies and Phenomenology
"Superstring Theory, Volume 2: Loop Amplitudes, Anomalies and Phenomenology" is a foundational advanced textbook that develops the quantum and phenomenological aspects of superstring theory, including loop calculations, anomaly cancellation, and connections to particle physics.
-
E.
AdS/CFT correspondence
The AdS/CFT correspondence is a conjectured duality in theoretical physics that equates a gravity theory in anti-de Sitter space with a conformal field theory on its boundary, providing a powerful framework for understanding quantum gravity and strongly coupled quantum field theories.
- 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: M-theory Target entity description: 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.
-
A.
string theory
String theory is a theoretical framework in physics that models fundamental particles as one-dimensional vibrating strings in an attempt to unify quantum mechanics and general relativity.
-
B.
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.
-
C.
Superstring Theory, Volume 1: Introduction
Superstring Theory, Volume 1: Introduction is a foundational graduate-level textbook that systematically presents the basic concepts, mathematical framework, and physical motivations of superstring theory.
-
D.
Superstring Theory, Volume 2: Loop Amplitudes, Anomalies and Phenomenology
"Superstring Theory, Volume 2: Loop Amplitudes, Anomalies and Phenomenology" is a foundational advanced textbook that develops the quantum and phenomenological aspects of superstring theory, including loop calculations, anomaly cancellation, and connections to particle physics.
-
E.
AdS/CFT correspondence
The AdS/CFT correspondence is a conjectured duality in theoretical physics that equates a gravity theory in anti-de Sitter space with a conformal field theory on its boundary, providing a powerful framework for understanding quantum gravity and strongly coupled quantum field theories.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
theoretical physics theory
ⓘ
unifying physical theory ⓘ |
| aimsTo |
provide a theory of everything
ⓘ
unify quantum mechanics and gravity ⓘ |
| announcedAt | University of Southern California ⓘ |
| announcedIn | 1995 ⓘ |
| associatedWith |
Planck scale physics
ⓘ
quantum geometry of spacetime ⓘ |
| developedInContextOf | string theory dualities ⓘ |
| dimensionCount | 11 ⓘ |
| emergedFrom | second superstring revolution ⓘ |
| field |
high-energy physics
ⓘ
quantum gravity ⓘ string theory ⓘ theoretical physics ⓘ |
| generalizes |
Type I string theory
ⓘ
Type IIA string theory ⓘ Type IIA string theory ⓘ
surface form:
Type IIB string theory
E8×E8 heterotic string theory ⓘ
surface form:
heterotic E8×E8 string theory
SO(32) heterotic string theory ⓘ
surface form:
heterotic SO(32) string theory
superstring theory ⓘ |
| hasOpenProblem |
connection to low-energy particle physics not fully understood
ⓘ
lack of complete non-perturbative formulation ⓘ |
| includes |
M2-branes
ⓘ
M5-branes ⓘ branes ⓘ membranes ⓘ |
| involves |
S-duality
ⓘ
T-duality ⓘ U-duality ⓘ |
| lowEnergyLimit | 11-dimensional supergravity ⓘ |
| mathematicalFramework |
differential geometry
ⓘ
quantum field theory ⓘ supergravity ⓘ |
| nameInterpretationsInclude |
magic
ⓘ
membrane ⓘ mystery ⓘ |
| predicts |
extended objects beyond strings
ⓘ
higher-dimensional branes ⓘ |
| proposedBy | Edward Witten ⓘ |
| relatedTo |
AdS/CFT correspondence
ⓘ
holographic principle ⓘ |
| spaceTimeDimension | 10 spatial dimensions plus 1 time dimension ⓘ |
| status |
hypothetical
ⓘ
not experimentally confirmed ⓘ |
| unifies | five superstring theories ⓘ |
| usesConcept |
extra dimensions
ⓘ
supersymmetry ⓘ |
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: M-theory Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
formulation of M-theory
subject surface form:
Edward Witten