Search Results - "Heller, Clayton"

Metal-poor Stars in the MW Disk: Resonant Cooling of Vertical Oscillations of Halo Stars in Barred Galaxies by Li, Xingchen, Shlosman, Isaac, Pfenniger, Daniel, Heller, Clayton

“…Abstract Using numerical simulations of a barred disk galaxy embedded in nonspinning and spinning dark matter (DM) halos, we present a novel mechanism of…”
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Evolution of Stellar Bars in Live Axisymmetric Halos: Recurrent Buckling and Secular Growth by Martinez-Valpuesta, Inma, Shlosman, Isaac, Heller, Clayton

“…Evolution of stellar bars in disk galaxies is accompanied by dynamical instabilities and secular changes. Following the vertical buckling instability, the bars…”
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Gas Feedback on Stellar Bar Evolution by Berentzen, Ingo, Shlosman, Isaac, Martinez-Valpuesta, Inma, Heller, Clayton H

“…We analyze evolution of live disk-halo systems with gas fractions, f sub(gas) less than or equal to 8% of the disk mass, for 5 Gyr. Specifically, we have…”
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Structure Formation inside Triaxial Dark Matter Halos: Galactic Disks, Bulges, and Bars by Heller, Clayton H, Shlosman, Isaac, Athanassoula, E

“…We investigate formation and evolution of galactic disks immersed in assembling live DM halos. Models have been evolved from cosmological initial conditions…”
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Induced Nested Galactic Bars inside Assembling Dark Matter Halos by Heller, Clayton H, Shlosman, Isaac, Athanassoula, E

“…We investigate the formation and evolution of nested bar systems in disk galaxies in a cosmological setting by following the development of an isolated dark…”
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Nested Bars in Disk Galaxies: No Offset Dust Lanes in Secondary Nuclear Bars by Shlosman, Isaac, Heller, Clayton H

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What makes the family of barred disc galaxies so rich: damping stellar bars in spinning haloes by Collier, Angela, Shlosman, Isaac, Heller, Clayton

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Evolution of Characteristic Quantities for Dark Matter Halo Density Profiles by Romano-Díaz, Emilio, Hoffman, Yehuda, Heller, Clayton, Faltenbacher, Andreas, Jones, Daniel, Shlosman, Isaac

“…We have investigated the effect of an assembly history on the evolution of galactic dark matter (DM) halos of 10 super(12) h super(-1) M sub( )using…”
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Stellar bars in counter-rotating dark matter haloes: the role of halo orbit reversals by Collier, Angela, Shlosman, Isaac, Heller, Clayton

“…Abstract Disc galaxies can exchange angular momentum and baryons with their host dark matter (DM) haloes. These haloes possess internal spin, λ, which is…”
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Double Bars in Disk Galaxies: Dynamical Decoupling of Non-Self-gravitating Gaseous Bars by Heller, Clayton, Shlosman, Isaac, Englmaier, Peter

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Dark matter bars in spinning haloes by Collier, Angela, Shlosman, Isaac, Heller, Clayton

“…ABSTRACT We study non-linear response of spinning dark matter (DM) haloes to dynamic and secular evolution of stellar bars in the embedded galactic discs,…”
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The origin of buckling instability in galactic bars: Searching for the scapegoat by Li, Xingchen, Shlosman, Isaac, Pfenniger, Daniel, Heller, Clayton

“…ABSTRACT We analyse the origin of the buckling instability in stellar bars using high-resolution N-body simulations. Previous studies have promoted the…”
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Stellar bars in spinning haloes: delayed buckling and absence of slowdown by Li, Xingchen, Shlosman, Isaac, Heller, Clayton, Pfenniger, Daniel

“…ABSTRACT We use numerical simulations to analyse the stellar bar evolution in spinning dark matter (DM) haloes. Previous works have shown the halo spin has a…”
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Dynamical Effects of Nuclear Rings in Disk Galaxies by Heller, Clayton H, Shlosman, Isaac

“…Abstract only…”
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Evolution of stellar bars in spinning dark matter haloes and stellar bulges by Li, Xingchen, Shlosman, Isaac, Pfenniger, Daniel, Heller, Clayton

“…ABSTRACT We use numerical simulations to follow evolution of barred galaxies in a suite of models with progressively more massive stellar bulges, with…”
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Erasing Dark Matter Cusps in Cosmological Galactic Halos with Baryons by Romano-Díaz, Emilio, Shlosman, Isaac, Hoffman, Yehuda, Heller, Clayton

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Dissecting Galaxy Formation. I. Comparison Between Pure Dark Matter and Baryonic Models by Romano-Díaz, Emilio, Shlosman, Isaac, Heller, Clayton, Hoffman, Yehuda

“…We compare assembly of dark matter (DM) halos with and without baryons from identical initial conditions, within the context of cosmological evolution in the…”
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Dark Matter Halos and Evolution of Bars in Disk Galaxies: Varying Gas Fraction and Gas Spatial Resolution by Villa-Vargas, Jorge, Shlosman, Isaac, Heller, Clayton

“…We conduct numerical experiments by evolving gaseous/stellar disks embedded in live dark matter halos aiming at quantifying the effect of gas spatial…”
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Disk Evolution and Bar Triggering Driven by Interactions with Dark Matter Substructure by Romano-Díaz, Emilio, Shlosman, Isaac, Heller, Clayton, Hoffman, Yehuda

“…We study formation and evolution of bar-disk systems in fully self- consistent cosmological simulations of galaxy formation in the Lambda CDM WMAP3 universe…”
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Dissecting Galaxy Formation. II. Comparing Substructure in Pure Dark Matter and Baryonic Models by Romano-Díaz, Emilio, Shlosman, Isaac, Heller, Clayton, Hoffman, Yehuda

“…We compare the substructure evolution in pure dark matter (DM) halos with those in the presence of baryons, hereafter PDM and BDM models, respectively. The…”
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