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Cosmological Axion Problem in Chaotic Inflationary Universe
S. Kasuya, M. Kawasaki, T. Yanagida
We investigate two cosmological axion problems (isocurvature fluctuations and domain-wall formation) in chaotic inflationary universe. It is believed that these problems are solved…
Natural New Inflation in Broken Supergravity
K. -I. Izawa, T. Yanagida
We consider a natural new inflationary model in broken supergravity based on an R symmetry. The model predicts a concrete relation between the amplitude of primordial density fluct…
Dynamical Supersymmetry Breaking without Messenger Gauge Interactions
T. Hotta, K. -I. Izawa, T. Yanagida
We investigate low-energy models of supersymmetry (SUSY) breaking by means of vector-like gauge theories for dynamical SUSY breaking. It is not necessary to introduce messenger gau…
Affleck-Dine Baryogenesis after Thermal Inflation
E. D. Stewart, M. Kawasaki, T. Yanagida
We argue that an extension of the Minimal Supersymmetric Standard Model that gives rise to viable thermal inflation, and so does not suffer from a Polonyi/moduli problem, should co…