Inflation in the five-dimensional universe with an orbifold extra dimension - INSPIRE

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Inflation in the five-dimensional universe with an orbifold extra dimension

Takeshi Nihei
(
- KEK, Tsukuba
)

May, 1999

8 pages

Published in:

Phys.Lett.B 465 (1999) 81-85

e-Print:

hep-ph/9905487 [hep-ph]

DOI:

10.1016/S0370-2693(99)01085-0

Report number:

KEK-TH-630,
KEK-PREPRINT-99-32

View in:

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Abstract:

New inflationary solutions to the Einstein equation are explicitly constructed in a simple five-dimensional model with an orbifold extra dimension

S^1/Z_2

. We consider inflation caused by cosmological constants for the five-dimensional bulk and the four-dimensional boundaries. In our solutions the extra dimension is static, and the background metric has a non-trivial configuration in the extra dimension. In addition to the solution for a vanishing bulk cosmological constant, which has already been discussed, we obtain solutions for a non-zero one.

Note:

Latex, 9 pages, references added, typos corrected Report-no: KEK-TH-630

inflation
Einstein equation
dimension: 5
orbifold
cosmological constant
space-time

References(22)

Figures(0)

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