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Cosmological model with a traversable wormhole

Title
Cosmological model with a traversable wormhole
Authors
Kim S.-W.
Ewha Authors
김성원
SCOPUS Author ID
김성원scopus
Issue Date
1996
Journal Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN
0556-2821JCR Link
Citation
vol. 53, no. 12, pp. 6889 - 6892
Indexed
SCOPUS scopus
Abstract
In this paper the Friedmann-Robertson-Walker model with a traversable wormhole is considered. It is shown that total matter including cosmic and wormhole matter cannot be exotic, while matter is exotic in the static and inflating wormhole spacetimes. This implies that it is not necessary for total matter to violate the energy conditions in the cosmological model with a traversable wormhole. Assume that the matter is divided into two parts: the cosmic part that depends on time only and the wormhole part that depends on space only. The time development and the spatial dependences of the scale factor, matter, and the wormhole shape function are also obtained.
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사범대학 > 과학교육과 > Journal papers
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