Higgs inflation and vacuum stability
arXiv:1502.07952 · doi:10.1088/1742-6596/631/1/012032
Abstract
Inflation is nowadays a well-established paradigm consistent with all the observations. The precise nature of the inflaton is however unknown and its role could be played by any candidate able to imitate a scalar condensate in the slow-roll regime. The discovery of a fundamental scalar in the LHC provides the less speculative candidate. Could the Higgs field itself be responsible for inflation? Do we really need to advocate new physics to explain the properties of the Universe at large scales? Which is the relation between the Standard Model parameters and the inflationary observables? What happens if our vacuum becomes unstable below the scale of inflation? We present an overview of Higgs inflation trying to provide answers to the previous questions with special emphasis on the vacuum stability issue.
11 pages, 14 figures, contribution to proceedings DISCRETE 2014
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- Quintessential inflation: A tale of emergent and broken symmetries
- Critical point Higgs inflation in the Palatini formulation
- Boosting Ultraviolet Freeze-in in NO Models
- Tree-level unitarity in Higgs inflation in the metric and the Palatini formulation
- Higgs- inflation -- full slow-roll study at tree-level
- Preheating in Einstein-Cartan Higgs Inflation: Oscillon formation
- Importance of being nonminimally coupled: Scalar Hawking radiation from regular black holes
- The evolution of the FRW universe with decaying metastable dark energy --- a dynamical system analysis
- Mimetic gravity: mimicking the dynamics of the primeval universe in the context of loop quantum cosmology
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- Higgs-Dilaton Inflation in Einstein-Cartan gravity
- Cosmological "constant" in a universe born in the metastable false vacuum state