Inflationary magnetogenesis of primordial magnetic fields with multiple vector fields
arXiv:2209.03545 · doi:10.1142/S0217732323500621
Abstract
In this paper, we discussed the multiple vector fields during the inflation era and the inflationary magnetogenesis with multiple vector fields. Instead of a single coupling function in single vector field models, the coupling matrix between vector fields and scalar field which drive the inflation is introduced. The dynamical equations for multiple vector fields are obtained and applied to the inflation era. We discussed three cases for the double-field model. In no mutual-coupling case, one can find that both electric and magnetic spectrum can be scale-invariant at the end of inflation, meanwhile, the strong coupling problem can be avoided. The effect of mutual-coupling between different vector fields is also discussed. We found that weak mutual-coupling can lead to the slightly blue spectrum of the magnetic field. On the other hand, in the strong mutual-coupling case, the scale-invariant magnetic spectrum can also be obtained but the energy density of electromagnetic fields either lead to the backreaction problem or is diluted by inflation.
arXiv comment16 pages, 0 figure
References in corpus (42)
- Magnetic Fields in the Early Universe
- Evidence for strong extragalactic magnetic fields from Fermi observations of TeV blazars
- Origin of Galactic and Extragalactic Magnetic Fields
- Cosmological Magnetic Fields: Their Generation, Evolution and Observation
- A New Radio - X-Ray Probe of Galaxy Cluster Magnetic Fields
- The origin, evolution and signatures of primordial magnetic fields
- The Protogalactic Origin for Cosmic Magnetic Fields
- Primordial magnetogenesis
- Implications of Generalized Z-Z' Mixing
- EGMF Constraints from Simultaneous GeV-TeV Observations of Blazars
- Vector Inflation
- The Evolution of Cosmic Magnetic Fields: From the Very Early Universe, to Recombination, to the Present
- Primordial Magnetic Fields From String Cosmology
- Generation of Large-Scale Magnetic Fields in Single-Field Inflation
- Large-scale magnetic fields from hydromagnetic turbulence in the very early universe
- Magnetic fields from inflation?
- Primordial Magnetic Fields from Cosmological First Order Phase Transitions
- Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe
- Generation of the Primordial Magnetic Fields during Cosmological Reionization
- Instability of anisotropic cosmological solutions supported by vector fields
- Non-Abelian Gauge Field Inflation
- Search for Spatial Extension in High-Latitude Sources Detected by the Fermi Large Area Telescope
- Ghost instabilities of cosmological models with vector fields nonminimally coupled to the curvature
- Magnetic fields in the early universe
- Instability of the ACW model, and problems with massive vectors during inflation
- Progress on Cosmological Magnetic Fields
- Schwinger Effect in 4D de Sitter Space and Constraints on Magnetogenesis in the Early Universe
- Consistent generation of magnetic fields in axion inflation models
- Magnetic Fields from QCD Phase Transitions
- Challenges in Inflationary Magnetogenesis: Constraints from Strong Coupling, Backreaction and the Schwinger Effect
- Primordial Magnetic Fields from the Post-Inflationary Universe
- Search for Magnetically Broadened Cascade Emission From Blazars with VERITAS
- The generation of helical magnetic field in a viable scenario of Inflationary Magnetogenesis
- Magnetogenesis and the dynamics of internal dimensions
- Early Cosmological Evolution of Primordial Electromagnetic Fields
- Scale-invariant Helical Magnetic Fields from Inflation
- Cosmological Magnetogenesis From Extra-dimensional Gauss Bonnet Gravity
- A scenario for inflationary magnetogenesis without strong coupling problem
- Magnetic Wall From Chiral Phase Transition and CMBR Correlations
- Inflation with multiple vector fields and non-Gaussianities
- Charge assignments in multiple-U(1) gauge theories
- Inflationary magnetogenesis with a self-consistent coupling function