D-term inflation, cosmic strings, and consistency with cosmic microwave background measurements -: art. no. 011303

被引:62
|
作者
Rocher, J
Sakellariadou, M
机构
[1] Inst Astrophys, GReCO, CNRS, FRE 2435, F-75014 Paris, France
[2] Univ Athens, Dept Phys, Div Astrophys Astron & Mech, GR-15784 Athens, Greece
[3] Univ Geneva, Dept Phys Theor, CH-1211 Geneva 4, Switzerland
关键词
D O I
10.1103/PhysRevLett.94.011303
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Standard D-term inflation is studied in the framework of supergravity. D-term inflation produces cosmic strings; however, it can still be compatible with cosmic microwave background (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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页数:4
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