$D$-term inflation, cosmic strings, and consistency with cosmic microwave background measurement

Details $D$-term inflation, cosmic strings, and consistency with cosmic microwave background measurement $D$-term inflation, cosmic strings, and consistency with cosmic microwave background measurement

2004-12-10

arxiv.org/abs/hep-ph/0412143v1

Phys.Rev.Lett. 94 (2005) 011303

Physics

High Energy Physics

High Energy Physics - Phenomenology

1 Latex file and 3 figures. accepted for publication in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.94.011303

Standard D-term inflation is studied in the framework of supergravity. D-term inflation produces cosmic strings, however it can still be compatible with CMB measurements without invoking any new physics. The cosmic strings contribution to the CMB data is not constant, nor dominant, contrary to some previous results. Using current CMB measurements, the free parameters (gauge and superpotential couplings, as well as the Fayet-Iliopoulos term) of D-term inflation are constrained.

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