false vacuum inflation
E84393
False vacuum inflation is a cosmological theory proposing that the early universe underwent an extremely rapid exponential expansion driven by a metastable high-energy vacuum state.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
cosmological theory
ⓘ
early universe model ⓘ inflationary cosmology model ⓘ |
| aimsToExplain |
flatness problem
ⓘ
horizon problem ⓘ large-scale homogeneity of the universe ⓘ monopole problem ⓘ origin of primordial density perturbations ⓘ |
| basedOn |
general relativity
ⓘ
quantum field theory ⓘ |
| drivenBy | potential energy of a scalar field trapped in a false vacuum ⓘ |
| endsBy | quantum tunneling from false vacuum to true vacuum ⓘ |
| energyScale | near grand unification scale (order of magnitude) ⓘ |
| facesProblem | inhomogeneous reheating due to bubble collisions in original model ⓘ |
| hasProperty |
accelerated cosmic expansion
ⓘ
approximately constant Hubble parameter during inflation ⓘ bubble nucleation ⓘ driven by vacuum energy density ⓘ exponential expansion of space ⓘ first-order phase transition ⓘ graceful exit problem in original form ⓘ metastable high-energy vacuum phase ⓘ negative pressure equation of state ⓘ occurs in the very early universe ⓘ quasi–de Sitter expansion ⓘ |
| influenced | development of modern inflationary models ⓘ |
| occursBefore |
radiation-dominated era
ⓘ
reheating phase ⓘ |
| predicts |
nearly scale-invariant spectrum of primordial fluctuations
ⓘ
spatial flatness of the observable universe ⓘ super-horizon correlations in the cosmic microwave background ⓘ suppression of topological relics such as monopoles ⓘ |
| proposedBy | Alan Guth ⓘ |
| relatedTo |
chaotic inflation
ⓘ
eternal inflation ⓘ multiverse hypothesis ⓘ new inflation ⓘ old inflation ⓘ |
| studiedIn |
astroparticle physics
ⓘ
cosmology ⓘ high-energy physics ⓘ |
| timePeriod | around 10^-36 to 10^-32 seconds after the Big Bang (order of magnitude) ⓘ |
| usesConcept |
false vacuum
ⓘ
inflaton field ⓘ metastable vacuum state ⓘ scalar field ⓘ vacuum energy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.