Titlebook: Dark Matter in Astro- and Particle Physics; Proceedings of the I H. V. Klapdor-Kleingrothaus Conference proceedings 2001 Springer-Verlag Be

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Self-Interacting Cold Dark Matter Haloss predicted by cosmological models. Weak self-interaction leads to the formation of an isothermal, low-density core which is in agreement with published data on the rotation curves of dwarf galaxies. However, subsequently, core collapse leads to an even steeper central density cusp. In order to expl

Ergots

Evidence for Dark Energy from a Study of Type Ia Supernovaeed over 80 such distant supernovae with redshifts between 0.18 and 1.2. In a study of 42 of these supernovae and comparison with 18 “near by” supernovae we have obtained evidence that at the present epoch the expansion of the universe is accelerating. This implies the presence of a positive cosmolog

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蘆筍

Can Quintessence Be Natural?eld theoretical models. The quintessence lagrangian is taken to be the sum of a simple exponentialpotential and a non-canonical kinetic term. This parameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead,

颶風(fēng)

essential-fats

ures and talks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.978-3-642-62608-1978-3-642-5

異常

https://doi.org/10.1007/978-3-322-93659-2reas the inner caustics are rings. The self-similar model of galactic halo formation predicts that the caustic ring radii .. follow the approximate law .. In a recent study of 32 extended and well-measured galactic rotation curves, we found evidence for this law.

強(qiáng)壯

Die Aufgabe ?Jonas sammelt Murmeln“ed data on the rotation curves of dwarf galaxies. However, subsequently, core collapse leads to an even steeper central density cusp. In order to explain the observed dark matter rotation curves by weak interaction, the cross section must be in a narrow range around......

蚊帳

Monika Ankele,Céline Kaiser,Sophie Ledeburameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead, for the present cosmological era, to a large fraction ofhomogeneous dark energy density and an acceleration of the scale factor as suggestedby observation.

Bumptious

Aufführen – Aufzeichnen – Anordnene some new ideasto address this problem form a different point of view. We shall discuss some of thesenew approaches and see whether or not they lead to an improvement of the situation.We shall conclude that we are still far from a solution of the problem.