Symmetry and inflation
We find the group of symmetry transformations under which the Einstein equations for the spatially flat Friedmann-Robertson-Walker universe are form invariant. They relate the energy density and the pressure of the fluid to the expansion rate. We show that inflation can be obtained from nonaccelerat...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
| Publicado: |
2002
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
| LEADER | 05098caa a22007577a 4500 | ||
|---|---|---|---|
| 001 | PAPER-5099 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230607131850.0 | ||
| 008 | 190411s2002 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0037088131 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Chimento, L.P. | |
| 245 | 1 | 0 | |a Symmetry and inflation |
| 260 | |c 2002 | ||
| 270 | 1 | 0 | |m Chimento, L.P.; Departamento de Física, Facultad de Ciencias Exactas y Naturales, Pabellón I, 1428 Buenos Aires, Argentina; email: chimento@df.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
| 504 | |a Chimento, L.P., Jakubi, A.S., (1997) Class. Quantum Grav., 14, p. 1811 | ||
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| 504 | |a Chimento, L.P., Pennini, F., Plastino, A., (2000) Phys. Rev. E, 62, p. 7462 | ||
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| 504 | |a Aguirregabiria, J.M., Chamorro, A., Chimento, L.P., Zuccalá, N., (2000) Phys. Rev. D, 62, p. 084029 | ||
| 504 | |a Coley, A.A., Van Den Hoogen, R.J., (2000) Phys. Rev. D, 62, p. 023517 | ||
| 504 | |a L.P. Chimento, D. Pavón, and A.S. Jakubi (unpublished); Witten, E., (1995) Nucl. Phys., B443, p. 85 | ||
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| 520 | 3 | |a We find the group of symmetry transformations under which the Einstein equations for the spatially flat Friedmann-Robertson-Walker universe are form invariant. They relate the energy density and the pressure of the fluid to the expansion rate. We show that inflation can be obtained from nonaccelerated scenarios by a symmetry transformation. We derive the transformation rule for the spectrum and spectral index of the curvature perturbations. Finally, the group is extended to investigate inflation in the anisotropic Bianchi type-I spacetime and the brane-world cosmology. © 2002 The American Physical Society. |l eng | |
| 593 | |a Departamento de Física, Facultad de Ciencias Exactas y Naturales, Pabellón I, 1428 Buenos Aires, Argentina | ||
| 593 | |a Consejo National de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavía 1917, 1033 Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a ANISOTROPY |
| 690 | 1 | 0 | |a ARTICLE |
| 690 | 1 | 0 | |a COSMOS |
| 690 | 1 | 0 | |a MATHEMATICAL ANALYSIS |
| 690 | 1 | 0 | |a MODEL |
| 690 | 1 | 0 | |a SPACE |
| 690 | 1 | 0 | |a TIME |
| 773 | 0 | |d 2002 |g v. 65 |k n. 6 |p - |x 05562821 |w (AR-BaUEN)CENRE-394 |t Physical Review D | |
| 856 | 4 | 1 | |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-0037088131&doi=10.1103%2fPhysRevD.65.063517&partnerID=40&md5=38c7893af1e441e62bdaf088a6806f6e |y Registro en Scopus |
| 856 | 4 | 0 | |u https://doi.org/10.1103/PhysRevD.65.063517 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_05562821_v65_n6_p_Chimento |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v65_n6_p_Chimento |y Registro en la Biblioteca Digital |
| 961 | |a paper_05562821_v65_n6_p_Chimento |b paper |c PE | ||
| 962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion | ||
| 963 | |a VARI | ||
| 999 | |c 66052 | ||