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Chaos of Yang-Mills Field in Class A Bianchi Spacetimes
Yoshida Jin, Kei-ichi Maeda
Studying Yang-Mills field and gravitational field in class A Bianchi spacetimes, we find that chaotic behavior appears in the late phase (the asymptotic future). In this phase, the…
High velocity features in the spectra of the Type Ia SN 1999ee: a property of the explosion or evidence of circumstellar interaction?
P. A. Mazzali, S. Benetti, M. Stehle +5
The near-maximum spectra of the Type Ia SN 1999ee are reviewed. Two narrow absorption features corresponding to the strongest component of the CaII IR triplet appear in the spectra…
Inflation from Superstring/M Theory Compactification with Higher Order Corrections I
Kei-ichi Maeda, Nobuyoshi Ohta
We study time-dependent solutions in M and superstring theories with higher order corrections. We first present general field equations for theories of Lovelock type with stringy c…
Properties of Two Hypernovae Entering the Nebular Phase: SN 1997ef and SN 1997dq
P. A. Mazzali, J. Deng, K. Maeda +3
The two peculiar Type Ic supernovae (SNe) 1997ef and 1997dq are shown to have very similar photometric and spectral evolution in the epochs when both SNe are observed (i.e. beyond…
Signature of Electron Capture in Iron-Rich Ejecta of SN 2003du
Peter Hoeflich, Christopher L. Gerardy, Kenichi Nomoto +5
Late-time near-infrared and optical spectra are presented for the normal-bright SN2003du. At about 300 days after the explosion, the emission profiles of well isolated [FeII] lines…
Creation of a brane world with Gauss-Bonnet term
Koh-suke Aoyanagi, Kei-ichi Maeda
We study a creation of a brane world using an instanton solution. We analyze a brane model with a Gauss-Bonnet term in a bulk spacetime. The curvature of 3-brane is assumed to be c…