Abstract:
We present an analytical method to extract observational predictions about the nonlinear evolution of perturbations in a Tolman universe. We assume no a priori profile for them. We solve perturbatively a Hamilton-Jacobi equation for a timelike geodesic and obtain the null one as a limiting case in two situations: for an observer located in the center of symmetry and for a noncentered one. In the first case we find expressions to evaluate the density contrast and the number count and luminosity distance versus redshift relationships up to second order in the perturbations. In the second situation we calculate the CMBR anisotropies at large angular scales produced by the density contrast and by the asymmetry of the observer’s location, up to first order in the perturbations. We develop our argument in such a way that the formulas are valid for any shape of the primordial spectrum. © 1997 The American Physical Society.
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Citas:
---------- APA ----------
Calzetta, E.A. & Kandus, A.
(1997)
. Spherically symmetric nonlinear structures. Physical Review D - Particles, Fields, Gravitation and Cosmology, 55(4), 1795-1811.
http://dx.doi.org/10.1103/PhysRevD.55.1795---------- CHICAGO ----------
Calzetta, E.A., Kandus, A.
"Spherically symmetric nonlinear structures"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 55, no. 4
(1997) : 1795-1811.
http://dx.doi.org/10.1103/PhysRevD.55.1795---------- MLA ----------
Calzetta, E.A., Kandus, A.
"Spherically symmetric nonlinear structures"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 55, no. 4, 1997, pp. 1795-1811.
http://dx.doi.org/10.1103/PhysRevD.55.1795---------- VANCOUVER ----------
Calzetta, E.A., Kandus, A. Spherically symmetric nonlinear structures. Phys Rev D Part Fields Gravit Cosmol. 1997;55(4):1795-1811.
http://dx.doi.org/10.1103/PhysRevD.55.1795