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Covariant Gravitational Equations on Brane World with Gauss-Bonnet term
Kei-ichi Maeda, Takashi Torii
We present the covariant gravitational equations to describe a four-dimensional brane world in the case with the Gauss-Bonnet term in a bulk spacetime, assuming that gravity is con…
Dilaton Dynamics in (A)dS_5 x S^5
Kunihito Uzawa, Kei-ichi Maeda
We investigate a stabilization of extra dimensions in a ten-dimensional Kaluza-Klein theory and IIB supergravity. We assume (A)dS_5 x S^5 compactifcation, and calculate quantum eff…
Dust in the Early Universe: Dust Formation in the Ejecta of Population III Supernovae
Takaya Nozawa, Takashi Kozasa, Hideyuki Umeda +2
We investigate the formation of dust grains in the ejecta of population III supernovae including pair--instability supernovae, applying a theory of non-- steady state nucleation an…
Nucleosynthesis in Black-Hole-Forming Supernovae and Abundance Patterns of Extremely Metal-Poor Stars
K. Nomoto, K. Maeda, H. Umeda +4
Stars more massive than 20 - 25 \ms form a black hole at the end of their evolution. Stars with non-rotating black holes are likely to collapse "quietly" ejecting a small am…
A Two-Component Model for the Light Curves of Hypernovae
K. Maeda, P. A. Mazzali, J. Deng +4
The light curves of 'hypernovae', i.e. very energetic supernovae with ergs $\gsim 5-10$ are characterized at epochs of a few months by a phase of linear de…
Effective Gravitational Equations on Brane World with Induced Gravity
Kei-ichi Maeda, Shuntaro Mizuno, Takashi Torii
We present the effective equations to describe the four-dimensional gravity of a brane world, assuming that a five-dimensional bulk spacetime satisfies the Einstein equations and g…