Do Fast Rotating Bars Present a Problem to the Hierarchical Scenario?

Details Do Fast Rotating Bars Present a Problem to the Hierarchical Scenario? Do Fast Rotating Bars Present a Problem to the Hierarchical Scenario?

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..17...26v&link_type=abstract

Galaxy Evolution: Theory & Observations (Eds. Vladimir Avila-Reese, Claudio Firmani, Carlos S. Frenk & Christine Allen) Revista

Mathematics

Logic

Galaxies: Kinematics And Dynamics, Galaxies: Evolution, Galaxies: Halos

Scientific paper

It has been suggested that dynamical friction between bars and dark matter halos precludes the existence of fast rotating bars inside halos predicted by LCDM models. Using N-body simulations with millions of particles and parsecs we study the formation and evolution of bars inside cosmological motivated dark matter halos. We conclude that it is possible to produce fast rotating bars in hierarchical models.

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