inflationary universe theory

E84390

cosmological theory physical cosmology model

Inflationary universe theory is a cosmological model proposing that the early universe underwent an extremely rapid exponential expansion, explaining its large-scale uniformity and structure.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

AI illustration

All labels observed (7)

Label	Occurrences
inflationary cosmology	3
inflationary universe theory canonical	2
Inflationary universe: A possible solution to the horizon and flatness problems	1
Starobinsky inflation model	1
The Inflationary Universe	1
cosmic inflation	1
inflation theory	1

How this entity was disambiguated

This entity first appeared as the object of triple T692562 — 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: inflationary universe theory
Context triple: [Alan Guth, knownFor, inflationary universe theory]

A. FLRW cosmological models
FLRW cosmological models are a family of solutions to Einstein’s field equations that describe a homogeneous and isotropic expanding or contracting universe, forming the standard framework for modern cosmology.
B. de Sitter spacetime
de Sitter spacetime is a maximally symmetric, curved solution of general relativity that models an expanding universe dominated by a positive cosmological constant (dark energy).
C. The Grand Design
The Grand Design is a popular-science book co-authored by Stephen Hawking and Leonard Mlodinow that explores modern cosmology, quantum theory, and the origins of the universe while arguing that physics can explain creation without invoking a deity.
D. Black Holes and Baby Universes and Other Essays
Black Holes and Baby Universes and Other Essays is a 1993 collection of popular-science essays and reflections by physicist Stephen Hawking, exploring cosmology, black holes, and his personal life and ideas.
E. The Universe in a Nutshell
The Universe in a Nutshell is a popular science book by physicist Stephen Hawking that explains advanced concepts in cosmology and theoretical physics for a general audience.
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: inflationary universe theory
Target entity description: Inflationary universe theory is a cosmological model proposing that the early universe underwent an extremely rapid exponential expansion, explaining its large-scale uniformity and structure.

A. FLRW cosmological models
FLRW cosmological models are a family of solutions to Einstein’s field equations that describe a homogeneous and isotropic expanding or contracting universe, forming the standard framework for modern cosmology.
B. de Sitter spacetime
de Sitter spacetime is a maximally symmetric, curved solution of general relativity that models an expanding universe dominated by a positive cosmological constant (dark energy).
C. The Grand Design
The Grand Design is a popular-science book co-authored by Stephen Hawking and Leonard Mlodinow that explores modern cosmology, quantum theory, and the origins of the universe while arguing that physics can explain creation without invoking a deity.
D. Black Holes and Baby Universes and Other Essays
Black Holes and Baby Universes and Other Essays is a 1993 collection of popular-science essays and reflections by physicist Stephen Hawking, exploring cosmology, black holes, and his personal life and ideas.
E. The Universe in a Nutshell
The Universe in a Nutshell is a popular science book by physicist Stephen Hawking that explains advanced concepts in cosmology and theoretical physics for a general audience.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	cosmological theory ⓘ physical cosmology model ⓘ
addresses	initial condition problems in cosmology ⓘ
alsoKnownAs	cosmic inflation ⓘ inflation theory ⓘ linked to: inflationary universe theory
compatibleWith	Big Bang cosmology ⓘ
contrastsWith	standard Big Bang without inflation ⓘ
coreIdea	vacuum-like energy drives rapid expansion ⓘ
developedBy	Alan Guth ⓘ
duration	tiny fraction of a second after the Big Bang ⓘ
expansionRate	exponential ⓘ
explains	flatness problem ⓘ horizon problem ⓘ isotropy of the cosmic microwave background ⓘ large-scale homogeneity of the universe ⓘ monopole problem ⓘ
field	cosmology ⓘ theoretical physics ⓘ
hasPart	chaotic inflation models ⓘ eternal inflation models ⓘ hybrid inflation models ⓘ new inflation models ⓘ slow-roll inflation models ⓘ
inception	1980 ⓘ
influenced	multiverse hypotheses ⓘ string theory cosmology ⓘ
inspiredBy	grand unified theories ⓘ
mathematicalFramework	general relativity ⓘ quantum field theory in curved spacetime ⓘ
openQuestion	exact inflationary potential form ⓘ nature of the inflaton field ⓘ
predicts	Gaussian primordial fluctuations ⓘ existence of quantum fluctuations stretched to cosmological scales ⓘ generation of primordial gravitational waves ⓘ nearly scale-invariant spectrum of primordial density perturbations ⓘ super-horizon correlations in the cosmic microwave background ⓘ
proposes	early universe underwent extremely rapid exponential expansion ⓘ
status	widely accepted in modern cosmology ⓘ
supportedBy	Planck satellite data ⓘ linked to: Planck spacecraft WMAP data ⓘ cosmic microwave background observations ⓘ large-scale structure observations ⓘ
temporalExtent	very early universe ⓘ
usesConcept	false vacuum ⓘ inflaton field ⓘ potential energy density ⓘ scalar field ⓘ vacuum energy ⓘ

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Alan Guth → knownFor → inflationary universe theory ⓘ

Alan Guth → notableWork → Inflationary universe: A possible solution to the horizon and flatness problems ⓘ