The early reionization with the primordial magnetic fields

Abstract

The early reionization of the intergalactic medium, which is favored from the WMAP temperature-polarization cross-correlations, contests the validity of the standard scenario of structure formation in the cold dark matter cosmogony. It is difficult to achieve early enough star formation without rather extreme assumptions such as very high escape fraction of ionizing photons from proto-galaxies or a top-heavy initial mass function. Here we propose an alternative scenario that is additional fluctuations on small scales induced by primordial magnetic fields trigger the early structure formation. We found that ionizing photons from Population III stars formed in dark haloes can easily reionize the universe by $z\simeq 15$ if the strength of primordial magnetic fields is larger than $0.6\times 10^{-9}$Gauss.

8 pages, 5 figures. accepted for publication in MNRAS

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Cited by in corpus (48)

• Cosmological Magnetic Fields: Their Generation, Evolution and Observation
• The origin, evolution and signatures of primordial magnetic fields
• The Physics of the Intergalactic Medium
• The First Magnetic Fields
• Magnetic fields in the Large-Scale Structure of the Universe
• Reionization - A probe for the stellar population and the physics of the early universe
• New Constraints on the Primordial Magnetic Field
• Effects of primordial chemistry on the cosmic microwave background
• The influence of magnetic fields on the thermodynamics of primordial star formation
• Constraints on the Evolution of the Primordial Magnetic Field from the Small-Scale Cosmic Microwave Background Angular Anisotropy
• Influence of primordial magnetic fields on 21 cm emission
• Probing Primordial Magnetic Fields with the 21cm Fluctuations
• Probing Primordial Magnetic Fields Using Ly-alpha Clouds
• Primordial magnetic fields and formation of molecular hydrogen
• Impact of Primordial Ultracompact Minihaloes on the Intergalactic Medium and First Structure Formation
• Primordial magnetic fields and the HI signal from the epoch of reionization
• Effect of Primordial Magnetic Field on Seeds for Large Scale Structure
• Constraining Primordial Magnetic Fields with Future Cosmic Shear Surveys
• The evolution of primordial magnetic field since its generation
• Constraints on the Primordial Magnetic Field from ${\sigma }_8$
• Primordial magnetic field constraints from the end of reionization
• Constraint on Primordial Magnetic Fields In the Light of ARCADE 2 and EDGES Observations
• Constraints on the neutrino mass and the primordial magnetic field from the matter density fluctuation parameter ${\sigma }_8$
• Thermal Sunyaev-Zel'dovich effect in the intergalactic medium with primordial magnetic fields
• Primordial Density Perturbations from Magnetic Fields
• Baryon-Dark matter interaction in presence of magnetic fields in light of EDGES signal
• Magnification bias as a novel probe for primordial magnetic fields
• Dark Matter Minihalos from Primordial Magnetic Fields
• S-Z power spectrum produced by primordial magnetic fields
• Mean Energy Density of Photogenerated Magnetic Fields Throughout the Epoch of Reionization
• Suppression of small baryonic structures due to a primordial magnetic field
• Primordial magnetic fields: consistent initial conditions and impact on high-z structures
• Theoretical Estimates of 2-point Shear Correlation Functions Using Tangled Magnetic Field Power Spectrum
• Primordial magnetic fields with X-ray and S-Z cluster survey
• The Origin of Primordial Magnetic Fields
• EDGES signal in presence of magnetic fields
• 21cm fluctuations from primordial magnetic fields
• The influence of primordial magnetic fields on the spherical collapse model in cosmology
• Magnetizing the Cosmic Web during Reionization
• Matter power spectrum induced by primordial magnetic fields: from the linear to the non-linear regime
• Random Primordial Magnetic Fields and the Gas Content of Dark Matter Halos
• Growth rate of matter perturbations as a probe of large-scale magnetism
• Impact of a primordial magnetic field on cosmic microwave background $B$ modes with weak lensing
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• Magnetised cosmological perturbations in the post-recombination era
• Can WIMPs Survive the Legacy of a Magnetised Early Universe?
• Relativistic magnetised perturbations: magnetic pressure vs magnetic tension
• Implications of baryon-dark matter interaction on IGM temperature and tSZ effect with magnetic field