Duality invariance and cosmological dynamics
A duality transformation that interrelates expanding and contracting cosmological models is shown to single out a duality invariant, interacting two-component description of any irrotational, geodesic and shear-free cosmic medium with vanishing three-curvature scalar. We have applied this feature to...
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2008
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LEADER | 06962caa a22009377a 4500 | ||
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001 | PAPER-22282 | ||
003 | AR-BaUEN | ||
005 | 20230518205349.0 | ||
008 | 190411s2008 xx ||||fo|||| 00| 0 eng|d | ||
024 | 7 | |2 scopus |a 2-s2.0-58449135989 | |
040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
100 | 1 | |a Chimento, L.P. | |
245 | 1 | 0 | |a Duality invariance and cosmological dynamics |
260 | |c 2008 | ||
270 | 1 | 0 | |m Chimento, L. P.; Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina |
506 | |2 openaire |e Política editorial | ||
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504 | |a Zimdahl, W., (2005) Int. J. Mod. Phys. D, 14, p. 2319 | ||
520 | 3 | |a A duality transformation that interrelates expanding and contracting cosmological models is shown to single out a duality invariant, interacting two-component description of any irrotational, geodesic and shear-free cosmic medium with vanishing three-curvature scalar. We have applied this feature to a system of matter and radiation, to a mixture of dark matter and dark energy, to minimal and conformal scalar fields, and to an enlarged Chaplygin gas model of the cosmic substratum. We have extended the concept of duality transformations to cosmological perturbations and demonstrated the invariance of adiabatic pressure perturbations under these transformations. © 2008 World Scientific Publishing company. |l eng | |
536 | |a Detalles de la financiación: Universidad de Buenos Aires, X224 | ||
536 | |a Detalles de la financiación: Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, 093/2007 | ||
536 | |a Detalles de la financiación: 308837/2005-3 | ||
536 | |a Detalles de la financiación: 001/2007/ | ||
536 | |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas, 5169 | ||
536 | |a Detalles de la financiación: This work was partially supported by the University of Buenos Aires under Project X224 and Consejo Nacional de Investigaciones Científicas y Técnicas under Project 5169 (LPC). Winfried Zimdahl acknowledges support by Brazilian grants 308837/2005-3 (CNPq), 093/2007 (CNPq and FAPES) and EDITAL FAPES no. 001/2007/. | ||
593 | |a Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina | ||
593 | |a Departamento de Física, Universidade Federal Do Espírito Santo, CEP29075-910 Vitória, Espírito Santo, Brazil | ||
690 | 1 | 0 | |a COSMOLOGY |
690 | 1 | 0 | |a DUALITY |
690 | 1 | 0 | |a PHANTOM |
700 | 1 | |a Zimdahl, W. | |
773 | 0 | |d 2008 |g v. 17 |h pp. 2229-2254 |k n. 12 |p Int. J. Mod. Phys. D |x 02182718 |w (AR-BaUEN)CENRE-368 |t International Journal of Modern Physics D | |
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856 | 4 | 0 | |u https://doi.org/10.1142/S0218271808013820 |y DOI |
856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_02182718_v17_n12_p2229_Chimento |y Handle |
856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02182718_v17_n12_p2229_Chimento |y Registro en la Biblioteca Digital |
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