Published April 15, 2003
| Version v1
Journal article
Symmetries leading to inflation
- 1. Fisika Teorikoa eta Zientziaren Historia Saila, Zientzi Fakultatea, Euskal Herriko Unibertsitatea, 644 Posta Kutxatila, 48080 Bilbao (Spain)
- 2. Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellon I, 1428 Buenos Aires (Argentina)
Description
We present here the general transformation that leaves unchanged the form of the field equations for perfect fluid Friedmann-Robertson-Walker and Bianchi type V cosmologies. The symmetries found can be used as algorithms for generating new cosmological models from existing ones. A particular case of the general transformation is used to illustrate the crucial role played by the number of scalar fields in the occurrence of inflation. Related to this, we also study the existence and stability of Bianchi type V power law solutions
Additional details
Identifiers
- DOI
- 10.1103/PhysRevD.67.083518;
- arXiv
- arXiv:gr-qc/0303010v1;
Publishing Information
- Journal Title
- Physical Review. D, Particles Fields
- Journal Volume
- 67
- Journal Issue
- 8
- Journal Page Range
- p. 083518-083518.7
- ISSN
- 0556-2821
- CODEN
- PRVDAQ
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 35079533
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- ALGORITHMS; COSMOLOGICAL MODELS; COSMOLOGY; EINSTEIN FIELD EQUATIONS; INFLATIONARY UNIVERSE; MATHEMATICAL SOLUTIONS; SCALAR FIELDS; SYMMETRY; TRANSFORMATIONS
- Descriptors DEC
- COSMOLOGICAL MODELS; EQUATIONS; FIELD EQUATIONS; MATHEMATICAL LOGIC; MATHEMATICAL MODELS
Optional Information
- Notes
- (c) 2003 The American Physical Society