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Black Hole in the Expanding Universe from Intersecting Branes
Kei-ichi Maeda, Masato Nozawa
We study physical properties and global structures of a time-dependent, spherically symmetric solution obtained via the dimensional reduction of intersecting M-branes. We find that…
The Bernstein Conjecture, Minimal Cones, and Critical Dimensions
Gary W. Gibbons, Kei-ichi Maeda, Umpei Miyamoto
Minimal surfaces and domain walls play important roles in various contexts of spacetime physics as well as material science. In this paper, we first review the Bernstein conjecture…
Black Hole Solutions in String Theory with Gauss-Bonnet Curvature Correction
Kei-ichi Maeda, Nobuyoshi Ohta, Yukinori Sasagawa
We present the black hole solutions and analyse their properties in the superstring effective field theory with the Gauss-Bonnet curvature correction terms. We find qualitative dif…
Dynamics of intersecting brane systems -- Classification and their applications --
Kei-ichi Maeda, Nobuyoshi Ohta, Kunihito Uzawa
We present dynamical intersecting brane solutions in higher-dimensional gravitational theory coupled to dilaton and several forms. Assuming the forms of metric, form fields, and di…
Supersymmetric Intersecting Branes in Time-dependent Backgrounds
Kei-ichi Maeda, Nobuyoshi Ohta, Makoto Tanabe +1
We construct a fairy general family of supersymmetric solutions in time- and space-dependent backgrounds in general supergravity theories. One class of the solutions are intersecti…
Attractor Universe in the Scalar-Tensor Theory of Gravitation
Kei-ichi Maeda, Yasunori Fujii
In the scalar-tensor theory of gravitation it seems nontrivial to establish if solutions of the cosmological equations in the presence of a cosmological constant behave as attracto…