M Novello et al 1996 Class. Quantum Grav. 13 1089 doi:10.1088/0264-9381/13/5/022
Direct electro - gravitational couplings and the behaviour of primordial large-scale magnetic fields
M Novello, L A R Oliveira and J M Salim
Show affiliationsA comprehensive approach is suggested for describing the origin and evolution of large-scale magnetic fields. Vorticity-dependent fluctuations acting on a primordial charged plasma account for field generation, and the properties of gauge-invariant (but conformally non-invariant) couplings of electromagnetic and gravitational fields in a FRW background are applied in order to supply a source-independent, gravity-driven mechanism of conductance induction in the course of the reheating phase of inflationary cosmic scenarios. In consequence, the description of the behaviour of large-scale primordial magnetic fields is complemented so as to cover the whole post-inflationary history of the universe.
- PACS
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95.30.Qd Magnetohydrodynamics and plasmas
98.62.En Electric and magnetic fields
98.65.-r Galaxy groups, clusters, and superclusters; large scale structure of the Universe
- MSC
- Subjects
- Dates
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Issue 5 (May 1996)
Received 31 May 1995, in final form 2 January 1996
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Direct electro - gravitational couplings and the behaviour of primordial large-scale magnetic fields
M Novello et al 1996 Class. Quantum Grav. 13 1089
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