45 citations · 47 across the 2 of their papers we have counts for
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hep-th2007★ 45 cited
Rapid roll Inflation with Conformal Coupling
Lev Kofman, Shinji Mukohyama
Usual inflation is realized with a slow rolling scalar field minimally coupled to gravity. In contrast, we consider dynamics of a scalar with a flat effective potential, conformall…
hep-th2005★ 2 cited
Ghost Condensation and Gravity in Higgs Phase
Shinji Mukohyama
A tachyon is considered to be sick in the context of particle mechanics, but in field theory just indicates instability of a background. We consider a similar possibility that a gh…
hep-th2002
Doubly-gauge-invariant formalism of brane-world cosmological perturbations
Shinji Mukohyama
We review the doubly gauge invariant formalism of cosmological perturbations in the Randall-Sundrum brane world. This formalism leads to four independent equations describing the e…