On the generation of triaxiality in the collapse of cold spherical self-gravitating systems
Monthly Notices of the Royal Astronomical Society(2015)
摘要
Initially cold and spherically symmetric self-gravitating systems may give rise to a virial equilibrium state which is far from spherically symmetric, and typically triaxial. We focus here on how the degree of symmetry breaking in the final state depends on the initial density profile. We note that the most asymmetric structures result when, during the collapse phase, there is a strong injection o...
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关键词
Galaxy: formation,Galaxy: kinematics and dynamics,galaxies: formation
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