English
Related papers

Related papers: Dark matter chaos in the Solar System

200 papers

We determine the density and mass distribution of dark matter within our Solar System. We explore the three-body interactions between dark matter particles, the Sun, and the planets to compute the amount of dark matter gravitationally…

Astrophysics · Physics 2008-06-25 X. Xu , E. R. Siegel

We consider the capture of galactic dark matter by the Solar System, due to the gravitational three-body interaction of the Sun, a planet, and a dark matter particle. Simple estimates are presented for the capture cross-section, as well as…

Earth and Planetary Astrophysics · Physics 2015-05-18 I. B. Khriplovich

We study the capture of galactic dark matter by the Solar System. The effect is due to the gravitational three-body interaction between the Sun, one of the planets, and a dark matter particle. The analytical estimate for the capture…

Solar and Stellar Astrophysics · Physics 2009-12-17 I. B. Khriplovich , D. L. Shepelyansky

We have searched for and estimated the possible gravitational influence of dark matter in the Solar system based on the EPM2011 planetary ephemerides using about 677 thousand positional observations of planets and spacecraft. Most of the…

Earth and Planetary Astrophysics · Physics 2013-06-25 N. P. Pitjev , E. V. Pitjeva

Recently, several papers have appeared that examine the process of capturing dark-matter particles from the Galactic halo to orbits bound to the Solar System. The authors of these papers predict large enhancements to the local dark-matter…

Earth and Planetary Astrophysics · Physics 2015-03-17 Joakim Edsjo , Annika H. G. Peter

The high precision of the latest version of the planetary ephemeris EPM2011 enables one to explore more accurately a variety of small effects in the solar system. The processing of about 678 thousand of position observations of planets and…

Earth and Planetary Astrophysics · Physics 2013-06-14 E. V. Pitjeva , N. P. Pitjev

High precision planet orbital data extracted from direct observation, spacecraft explorations and laser ranging techniques enable to put a strong constraint on the maximal dark matter density of a spherical halo centered around the Sun. The…

Astrophysics · Physics 2008-11-26 J. -M. Frère , F. -S. Ling , G. Vertongen

We perform time-dependent analysis of quantum dynamics of dark matter particles in the Solar System. It is shown that this problem has similarities with a microwave ionization of Rydberg atoms studied previously experimentally and…

Quantum Physics · Physics 2018-08-14 D. L. Shepelyansky

Dark matter is estimated to make up ~84% of all normal/baryonic matter, but cannot be directly imaged. Despite the fact that dark matter cannot be directly observed yet, its influence on the motion of stars and gas in spiral galaxies have…

Physics Education · Physics 2023-08-10 A. N. Villano , Kitty C. Harris , Judit Bergfalk , Raphael Hatami , Francis Vititoe , Julia Johnston

A short story of dark matter as an example of a scientific revolution is given. The characteristics of stellar populations are compared with those of dark halos. The mean mass-to-luminosity ratio of stellar populations is found to be 4 in…

Astrophysics · Physics 2007-05-23 J. Einasto , M. Einasto

The dark matter accretion theory (around a central body) of the author on the basis of his 5-dimensional Projective Unified Field Theory (PUFT) is applied to the orbital motion of stars around the center of the Galaxy. The departure of the…

General Relativity and Quantum Cosmology · Physics 2009-11-07 E. Schmutzer

We review the most recent evidence for the amazing properties of the density distribution of dark matter around spiral galaxies. Their rotation curves, coadded according to the galaxy luminosity, conform to an universal profile which can be…

Astrophysics · Physics 2007-05-23 P. Salucci , A. Borriello

In this last paper in a series of three on weakly interacting massive particle (WIMP) dark matter in the solar system, we focus on WIMPs bound to the system by gravitationally scattering off of planets. We present simulations of WIMP orbits…

High Energy Astrophysical Phenomena · Physics 2009-07-30 Annika H. G. Peter

Direct relation is pointed out between the secular perihelion precession of a planet and the density of dark matter at its orbit. It is valid under the only assumption that the density is spherically-symmetric, with the center coinciding…

Astrophysics · Physics 2008-11-26 I. B. Khriplovich

Owing to the renewed interest in dark matter after the upgrade of the large hadron collider and its dedication to dark matter research it is timely to reassess the whole problem. Considering dark matter is one way to reconcile the…

Astrophysics of Galaxies · Physics 2018-02-06 Werner A. Hofer

Dark matter could be captured in the Sun and self-annihilate, giving rise to an observable neutrino flux. Indirect searches for dark matter looking for this signal with neutrino telescopes have resulted in tight constraints on the…

High Energy Astrophysical Phenomena · Physics 2014-06-03 Koun Choi , Carsten Rott , Yoshitaka Itow

We studied the rate at which stars capture dark matter (DM) particles, considering different assumptions regarding the DM characteristics and in particular investigating how the stellar physics influences the capture rate. Two scenarios…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-18 Ilídio Lopes , Jordi Casanellas , Daniel Eugénio

I review the up-to-date status on the properties of the Dark Matter density distribution around Galaxies. The rotation curves of spirals all conform to a same Universal profile which can be uniquely decomposed as the sum of an exponential…

Astrophysics · Physics 2007-05-23 Paolo Salucci

In this paper we study a stellar dynamic model for the stars' rotational-dynamics, with a distribution of its own mass, rotating around its center with a higher density, like spiral galaxies happen, by means of a classical calculus of the…

Astrophysics · Physics 2019-09-10 E. Lopez-Sandoval

A better understanding of the formation of mass structures in the universe can be obtained by determining the amount and distribution of dark and luminous matter in spiral galaxies. To investigate such matters a sample of 12 galaxies, most…

Astrophysics of Galaxies · Physics 2015-06-23 Roelof Bottema , Jose Luis G. Pestana
‹ Prev 1 2 3 10 Next ›