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A. Dolgov, Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe
1993
Earlier work this paper cites.
P. P. Kronberg, Extragalactic magnetic fields
1994
Earlier work this paper cites.
D. Grasso and H. R. Rubinstein, Magnetic fields in the early universe
2001
Earlier work this paper cites.
J.-L. Han and R. Wielebinski, Milestones in the Observations of Cosmic Magnetic Fields
2002
Earlier work this paper cites.
L. M. Widrow, Origin of Galactic and Extragalactic Magnetic Fields
2002
Earlier work this paper cites.
F. Govoni and L. Feretti, Magnetic Field in Clusters of Galaxies
2004
Earlier work this paper cites.
A. Brandenburg and K. Subramanian, Astrophysical magnetic fields and nonlinear dynamo theory
2005
Earlier work this paper cites.
R. Durrer, Cosmic Magnetic Fields and the CMB
2007
Earlier work this paper cites.
K. Subramanian, Magnetizing the universe
Original
2007
Earlier work this paper cites.

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2011

Urban, Federico R.

We investigate in more depth the issue of backreaction in models that attempt at generating cosmological magnetic fields at inflation.

By choosing different, physically motivated, parametrisations, we are able to isolate the core of the problem, namely the existence, alongside the wanted magnetic field, of its electric counterpart, which turns out quite generally to be stronger and redder.
We were also able to identify a few more interwoven weak spots (the typically very high scale of inflation, the width of the spectrum of modes processed by inflation, the blindness of the amplification mechanism to the energy scale processed), in a way independent on the specifications of the coupling between inflation and electromagnetism.
Despite having stripped down the problem to the core, the obstacles encountered appear insurmountable, thereby posing a challenge to inflation as the incubator of cosmological magnetism.

A. Dolgov, Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe
1993
Earlier work this paper cites.
P. P. Kronberg, Extragalactic magnetic fields
1994
Earlier work this paper cites.
D. Grasso and H. R. Rubinstein, Magnetic fields in the early universe
2001
Earlier work this paper cites.
J.-L. Han and R. Wielebinski, Milestones in the Observations of Cosmic Magnetic Fields
2002
Earlier work this paper cites.
L. M. Widrow, Origin of Galactic and Extragalactic Magnetic Fields
2002
Earlier work this paper cites.
F. Govoni and L. Feretti, Magnetic Field in Clusters of Galaxies
2004
Earlier work this paper cites.
A. Brandenburg and K. Subramanian, Astrophysical magnetic fields and nonlinear dynamo theory
2005
Earlier work this paper cites.
R. Durrer, Cosmic Magnetic Fields and the CMB
2007
Earlier work this paper cites.
K. Subramanian, Magnetizing the universe
Original
2007
Earlier work this paper cites.