Energy-momentum tensor renormalization for vector fields in robertson-walker backgrounds

In this paper we generalize the Stueckelberg formalism of flat spacetime to describe vector fields propagating in a Robertson-Walker spatially flat background. In the zero-mass limit of the regularized energy-momentum tensor we recover the usual vacuum-polarization terms of the massless Maxwell theo...

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Autor principal: Chimento, L.P
Otros Autores: Cossarini, A.E
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1990
Acceso en línea:Registro en Scopus
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024 7 |2 scopus  |a 2-s2.0-35949009457 
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100 1 |a Chimento, L.P. 
245 1 0 |a Energy-momentum tensor renormalization for vector fields in robertson-walker backgrounds 
260 |c 1990 
270 1 0 |m Chimento, L.P.; Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires PabellAn i, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
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504 |a Kofman, L.A., Linde, A.D., Starobinsky, A.A., (1985) Phys. Lett., 157 B, p. 361 
504 |a Castagnino, M., Chimento, L., (1986) Phys. Rev. D, 34, p. 3676 
504 |a Grib, A.A., Mamaev, S.G., Mostepanenko, V.M., Vacuum Stress-Energy Tensor and Particle Creation in Isotropic Cosmological Models (1980) Fortschritte der Physik, 28, p. 173 
504 |a Castagnino, M., (1981) Ann. Inst. Henri Poincaré, 25, p. 55 
504 |a Fulling, S.A., (1979) Gen. Relativ. Gravit., 10, p. 807 
504 |a Parker, L., Fulling, S.A., (1974) Phys. Rev. D, 9, p. 341 
504 |a Christensen, S.M., (1978) Phys. Rev. D, 17, p. 946 
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504 |a Birrell, N.D., Davies, P.C., (1982) Quantum Fields in Curved Space-Times, , Cambridge University Press, Cambridge, England 
504 |a Brown, L.S., Cassidy, J.P., (1977) Phys. Rev. D, 15, p. 2810 
504 |a Castagnino, M., Chimento, L., Laciana, C., (1986) Prog. Theor. Phys., 75, p. 5 
504 |a Grib, A.A., Nesteruk, V., (1983) Gen. Relativ. Gravit., 15, p. 31 
504 |a Chimento, L., Mollerach, S., (1986) Phys. Rev. D, 34, p. 3689 
504 |a Castagnino, M., Chimento, L., Laciana, C., (1984) Prog. Theor. Phys., 71, p. 2 
504 |a Itzykson, C., Zuber, J.B., (1980) Quantum Field Theory, , McGraw-Hill, New York 
504 |a Castagnino, M., Harari, D., (1984) Ann. Phys. (N.Y.), 152, p. 85 
504 |a Davies, P.C.W., Fulling, S.A., Christensen, S.M., Bunch, T.S., (1977) Ann. Phys. (N.Y.), 109, p. 108 
504 |a Ceccatto, H., Foussats, A., Giacomini, H., Zandron, O., (1981) Phys. Rev. D, 24, p. 2576 
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520 3 |a In this paper we generalize the Stueckelberg formalism of flat spacetime to describe vector fields propagating in a Robertson-Walker spatially flat background. In the zero-mass limit of the regularized energy-momentum tensor we recover the usual vacuum-polarization terms of the massless Maxwell theory. Further on we investigate particle creation and the renormalizability of the energy-momentum tensor expectation value in the vacuum state which minimizes the metric Hamiltonian. In the massive case we found that the last one corresponds to that obtained through the Higgs mechanism and that it is not renormalizable in general. In the massless case we found that both quantities are finite and are in agreement with those in the literature obtained by different regularization methods, the resulting vacuum being the standard conformal one. © 1990 The American Physical Society.  |l eng 
593 |a Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires PabellAn i, 1428 Buenos Aires, Argentina 
700 1 |a Cossarini, A.E. 
773 0 |d 1990  |g v. 41  |h pp. 3101-3110  |k n. 10  |x 05562821  |w (AR-BaUEN)CENRE-394  |t Physical Review D 
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856 4 0 |u https://doi.org/10.1103/PhysRevD.41.3101  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_05562821_v41_n10_p3101_Chimento  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v41_n10_p3101_Chimento  |y Registro en la Biblioteca Digital 
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