Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-05-25
Phys.Rev. D67 (2003) 023516
Physics
High Energy Physics
High Energy Physics - Phenomenology
15pages, 8figures, submitted to Physical Review D
Scientific paper
10.1103/PhysRevD.67.023516
We study the dynamics of a scalar field in the brane cosmology. We assume that a scalar field is confined in our 4-dimensional world. As for the potential of the scalar field, we discuss three typical models: (1) a power-law potential, (2) an inverse-power-law potential, and (3) an exponential potential. We show that the behavior of the scalar field is very different from a conventional cosmology when the energy density square term is dominated.
Maeda Kei--ichi
Mizuno Shuntaro
Yamamoto Kohta
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