Sneutrino hybrid inflation in supergravity
نویسندگان
چکیده
Stefan Antusch, Mar Bastero-Gil, Steve F. King, and Qaisar Shafi School of Physics and Astonomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom Departamento de Fisica Teorica y del Cosmos and Centro Andaluz de Fisica de Particulas Elementales (CAFPE), Universidad de Granada, E-19071 Granada, Spain Bartol Research Institute, University of Delaware, Newark, Delaware 19716, USA (Received 1 December 2004; published 28 April 2005)
منابع مشابه
Supergravity Modification of D-term Hybrid Inflation: Solving the Cosmic String and Spectral Index Problems via a Right-Handed Sneutrino
Supergravity corrections due to the energy density of a right-handed sneutrino can generate a negative mass squared for the inflaton, flattening the inflaton potential and reducing the spectral index and inflaton energy density. For the case of D-term hybrid inflation, we show that the spectral index can be lowered from the conventional value n = 0.98 to a value within the range allowed by the ...
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