Imitation of matter by a scalar field in five-dimensional Kaluza-Klein theory
The interpretation of the scalar field {phi} = {radical}-G{sub 55} in the five-dimensional variant of Kaluza-Klein theory is considered. It is proposed that the scalar field be considered as the generalized potential of four material velocities. It can be shown that with additional limitations on the scalar field {phi} the right side of the split five-dimensional Einstein equations transform to a hydrodynamic energy-momentum tensor for an ideal liquid with a limited set of equations of state. Concrete five-dimensional metrics, which are obligatorily nonstationary, are analyzed from this viewpoint.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 136404
- Journal Information:
- Russian Physics Journal, Journal Name: Russian Physics Journal Journal Issue: 1 Vol. 38; ISSN RPJOEB; ISSN 1064-8887
- Country of Publication:
- United States
- Language:
- English
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