Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.529m&link_type=abstract
Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:
Astronomy and Astrophysics
Astrophysics
Scientific paper
A spherical Lagrangian hydrodynamic code has been written to study the formation of voids as a consequence of the development of negative density perturbations. In this code we take into account the presence of dark matter and a series of physical processes that are present during and after the recombination era. In particular we found that the formation of voids, in a negative density perturbation scenario with cosmological constant, of diameter of up to 35 Mpc is possible, for the perturbation spectra and Universe models here considered.
de Araujo Jose Carlos N.
Miranda Oswaldo D.
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