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Chaos in the Centers of Galaxies
Author(s) -
SHLOSMAN ISAAC,
HELLER CLAYTON,
BERENTZEN INGO
Publication year - 1998
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1111/j.1749-6632.1998.tb11258.x
Subject(s) - bulge , physics , astrophysics , disc , galaxy , halo , stars , component (thermodynamics) , galactic halo , thick disk , astronomy , galaxy formation and evolution , thermodynamics
We compare diverging evolution of a two‐component (gas+stars) galactic disk embedded in a “live” halo with that of an identical pure stellar disk. Our modeling supports the conjecture that the growth of central concentration in galaxies dissolves the main family of regular orbits in the stellar bar and assists in the formation of a galactic bulge.