# Generation of electromagnetic fields in string cosmology with a massive scalar field on the anti-D-brane

@article{Garousi2004GenerationOE, title={Generation of electromagnetic fields in string cosmology with a massive scalar field on the anti-D-brane}, author={Mohammad R. Garousi and M. Sami and Shinji Tsujikawa}, journal={Physics Letters B}, year={2004}, volume={606}, pages={1-6} }

## 35 Citations

### Helical Magnetic Fields from Inflation

- Physics
- 2009

We analyze the generation of seed magnetic fields during de Sitter inflation considering a noninvariant conformal term in the electromagnetic Lagrangian of the form , where I(ϕ) is a pseudoscalar…

### Inflation from D3-brane motion in the background of D5-branes

- Physics
- 2006

We study inflation arising from the motion of a Bogomol'nyi-Prasad-Sommerfield D3-brane in the background of a stack of k parallel D5-branes. There are two scalar fields in this setup: (i) the radion…

### Large-scale magnetic fields from inflation due to Chern–Simons-like effective interaction

- Physics
- 2008

We discuss the generation of large-scale magnetic fields due to the breaking of the conformal invariance in an electromagnetic field through the CPT-even dimension-6 Chern–Simons-like effective…

### Large-scale magnetic fields from inflation due to a CPT-even Chern–Simons-like term with Kalb–Ramond and scalar fields

- Physics
- 2011

We investigate the generation of large-scale magnetic fields due to the breaking of the conformal invariance in the electromagnetic field through the CPT-even dimension-six Chern–Simons-like…

### Generic estimates for magnetic fields generated during inflation including Dirac-Born-Infeld theories

- Physics
- 2008

We estimate the strength of large-scale magnetic fields produced during inflation in the framework of Dirac-Born-Infeld (DBI) theories. This analysis is sufficiently general in the sense that it…

### Inflation from charged scalar and primordial magnetic fields

- Physics
- 2010

A model of inflation is presented where the inflaton field is a complex scalar field coupled to a U(1) gauge field. Because of the axial symmetry of the potential, the inflation is driven by the…

### Large-scale magnetic fields in the inflationary universe

- Physics, Mathematics
- 2007

The generation of large-scale magnetic fields is studied in the inflationary cosmology. We consider a very general situation in which the conformal invariance of the Maxwell field is violated through…

### A quintessentially geometric model

- Physics
- 2006

We consider string inspired cosmology on a solitary D3 brane moving in the background of a ring of branes located on a circle of radius R. The motion of the D3 brane transverse to the plane of the…

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