Artículo
Martin, G.N.; Mazzitelli, F.D. "Universal approach to cosmological singularities in two-dimensional dilaton gravity" (1994) Physical Review D. 50(2):R613-R617
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Abstract:
We show that in a large class of two-dimensional models with conformal matter fields, the semiclassical cosmological solutions have a weak coupling singularity if the classical matter content is below a certain threshold. This threshold and the approach to the singularity are model independent. When the matter fields are not conformally invariant, the singularity persists if the quantum state is the vacuum near the singularity, and could dissappear for other quantum states. © 1994 The American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Universal approach to cosmological singularities in two-dimensional dilaton gravity |
| Autor: | Martin, G.N.; Mazzitelli, F.D. |
| Filiación: | Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-Ciudad Universitaria, 1428 Buenos Aires, Argentina Instituto de Astronomía y Física del Espacio, Casilla de Correo 67-Sucursal 28, 1428 Buenos Aires, Argentina |
| Año: | 1994 |
| Volumen: | 50 |
| Número: | 2 |
| Página de inicio: | R613 |
| Página de fin: | R617 |
| DOI: | http://dx.doi.org/10.1103/PhysRevD.50.R613 |
| Título revista: | Physical Review D |
| ISSN: | 05562821 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v50_n2_pR613_Martin |
Referencias:
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Citas:
---------- APA ----------
Martin, G.N. & Mazzitelli, F.D. (1994) . Universal approach to cosmological singularities in two-dimensional dilaton gravity. Physical Review D, 50(2), R613-R617.http://dx.doi.org/10.1103/PhysRevD.50.R613
---------- CHICAGO ----------
Martin, G.N., Mazzitelli, F.D. "Universal approach to cosmological singularities in two-dimensional dilaton gravity" . Physical Review D 50, no. 2 (1994) : R613-R617.http://dx.doi.org/10.1103/PhysRevD.50.R613
---------- MLA ----------
Martin, G.N., Mazzitelli, F.D. "Universal approach to cosmological singularities in two-dimensional dilaton gravity" . Physical Review D, vol. 50, no. 2, 1994, pp. R613-R617.http://dx.doi.org/10.1103/PhysRevD.50.R613
---------- VANCOUVER ----------
Martin, G.N., Mazzitelli, F.D. Universal approach to cosmological singularities in two-dimensional dilaton gravity. 1994;50(2):R613-R617.http://dx.doi.org/10.1103/PhysRevD.50.R613
