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Autor(in)
Datum
2004-07Typ
- Journal Article
ETH Bibliographie
yes
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Abstract
A procedure for computing distance–redshift statistics in inhomogeneous universes is described. We interpret the generalized Dyer–Roeder equation [Dyer, C. C.; Roeder, R. C. The distance-redshift relation for universes with no intergalactic medium. Astrophys. J. 1972, 174, L115–L117; Dyer, C. C.; Roeder, R. C. Distance-redshift relations for universes with some intergalactic medium. Astrophys. J. 1972, 180, L31–L34] as a stochastic differential equation which treats the shearing forces as Brownian movement and yields a Monte-Carlo procedure. Shear distributions taken from N-body simulations produce a redshift dependent diffusion coefficient Mehr anzeigen
Publikationsstatus
publishedExterne Links
Zeitschrift / Serie
Stochastic Analysis and ApplicationsBand
Seiten / Artikelnummer
Verlag
Taylor & FrancisThema
Cosmological distance scaling; Gravitational lensing; Monte-Carlo simulation; Stochastic differential equationsETH Bibliographie
yes
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