Inflation With A Realistic SO(10) Model

Details Inflation With A Realistic SO(10) Model Inflation With A Realistic SO(10) Model

2005-10-24

arxiv.org/abs/hep-ph/0510300v1

AIP Conf.Proc.805:439-442,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. Talk presented by B. Kyae at PASCOS'05, Gyeongju, Korea (May 30 - June 4, 2005), at PPP'05, YITP, Kyoto, Japan (June

Scientific paper

10.1063/1.2149750

We implement inflation within a realistic supersymmetric SO(10) model in which the doublet-triplet splitting is realized through the Dimopoulos-Wilczek mechanism, the MSSM $\mu$ problem is resolved, and higgsino mediated dimension five nucleon decay is heavily suppressed. The cosmologically unwanted topological defects are inflated away, and from $\delta T/ T$, the $B-L$ breaking scale is estimated to be of order $10^{16}-10^{17}$ GeV. Including supergravity corrections, the scalar spectral index $n_s = 0.99\pm 0.01$, with $|dn_s/ d{\rm ln}k| \lapproxeq 10^{-3}$.

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