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Brane Quintessence
Kei-ichi Maeda
We propose a new quintessence scenario in the brane cosmology, assuming that a quintessence field is confined in our 3-dimensional brane world. With a potential $V(Q)= μ^{α+4}…
Explosive Nucleosynthesis in Aspherical Hypernova Explosions and Late Time Spectra of SN1998bw
K. Maeda, T. Nakamura, K. Nomoto +3
Aspherical explosion models for the hypernova (hyper-energetic supernova) SN 1998bw are presented. Nucleosynthesis in aspherical explosions is examined with a two-dimensional hydro…
Origin of scaling structure and non-gaussian velocity distribution in self-gravitating ring model
Yasuhide Sota, Osamu Iguchi, Masahiro Morikawa +2
Fractal structures and non-Gaussian velocity distributions are characteristic properties commonly observed in virialized self-gravitating systems such as galaxies or interstellar m…
Primordial fractal density perturbations and structure formation in the Universe: 1-Dimensional collisionless sheet model
Takayuki Tatekawa, Kei-ichi Maeda
Two-point correlation function of galaxy distribution shows that the structure in the present Universe is scale-free up to a certain scale (at least several tens Mpc), which sugges…