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- Title
Fuzzy Instantons in Landscape and Swampland: Review of the Hartle-Hawking Wave Function and Several Applications.
- Authors
Dong-han Yeom
- Abstract
The Euclidean path integral is well approximated by instantons. If instantons are dynamical, they will necessarily be complexified. Fuzzy instantons can have multiple physical applications. In slow-roll inflation models, fuzzy instantons can explain the probability distribution of the initial conditions of the universe. Although the potential shape does not satisfy the slow-roll conditions due to the swampland criteria, the fuzzy instantons can still explain the origin of the universe. If we extend the Euclidean path integral beyond the Hartle-Hawking no-boundary proposal, it becomes possible to examine fuzzy Euclidean wormholes that have multiple physical applications in cosmology and black hole physics.
- Subjects
WAVE functions; EUCLIDEAN distance; PROBABILITY theory; WORMHOLES (Physics); BLACK holes
- Publication
Universe (2218-1997), 2021, Vol 7, Issue 10, p1
- ISSN
2218-1997
- Publication type
Article
- DOI
10.3390/universe7100367