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19912026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

Showing 1996 · astro-phShow all

7 papers · 2 filters

astro-ph1996★ 8 cited

On Electrostatic Positron Acceleration In The Accretion Flow Onto Neutron Stars

R. Turolla, S. Zane, A. Treves +1

As first shown by Shvartsman (1970), a neutron star accreting close to the Eddington limit must acquire a positive charge in order for electrons and protons to move at the same spe…

astro-ph1996★ 18 cited

Statistical Tests for CHDM and \LambdaCDM Cosmologies

S. Ghigna, S. Borgani, M. Tucci +3

We apply several statistical estimators to high-resolution N-body simulations of two currently viable cosmological models: a mixed dark matter model, having contributed b…

astro-ph1996★ 3 cited

Defocusing gravitational microlensing

Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2

We introduce the notion of defocusing gravitational lens considering a MACHO located behind a light source with respect to an observer. The consequence of defocusing effect is a te…

astro-ph1996

Luminosity variation in (de)focusing microlensing

Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2

The luminosity variation of a stellar source due to the gravitational microlensing effect can be considered also if the light rays are defocused (instead of focused) toward the obs…

astro-ph1996★ 2 cited

Gravitational Waveguides in Cosmology

Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2

We discuss the possibility that, besides the usual gravitational lensing, there may exist a sort of gravitational waveguiding in cosmology which could explain some anomalous phenom…

astro-ph1996★ 6 cited

Self-Shielding of X-rays and Gamma-Rays in Compact Sources

Andrei F. Illarionov, Julian H. Krolik

It is generally supposed that when the "compactness" in photons above the pair-production threshold is large, few -rays can escape. We demonstrate th…

astro-ph1996★ 3 cited

The Tunneling, the Second Order Relativistic Phase Transitions and Problem of the Macroscopic Universe Origin

V. Burdyuzha, Yu. Ponomarev, O. Lalaculich +1

We propose that the Universe was created from "Nothing" with a relatively small particles number and it very quick relaxed to quasiequilibrium state at the Planck parameters. The c…