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Browsing by Subject "methods: numerical"

Browsing by Subject "methods: numerical"

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  • Can bars erode cuspy halos? 
    Kataria, Sandeep Kumar; Mousumi Das (Cambridge University Press, 2019-06)
    One of the major and widely known small scale problem with the Lambda CDM model of cosmology is the “core-cusp” problem. In this study we investigate whether this problem can be resolved using bar instabilities. We see ...
  • The Effect of Bulge Mass on Bar Pattern Speed in Disk Galaxies 
    Kataria, Sandeep Kumar; Mousumi Das (IOP Publishing, 2019-11)
    We present a study of the effect of bulge mass on the evolution of bar pattern speed in isolated disk galaxies using N -body simulations. Earlier studies have shown that disk stars at the inner resonances can transfer a ...
  • On the Franck-Condon factors and R-centroids of the astrophysically interesting molecule CS 
    Karthikeyan, B; Raja, V; Rajamanickam, N; Bagare, S. P (National Library of Serbia, 2007-12)
    In molecular astrophysics, the Franck-Condon (FC) factors and r-centroids are essential for the interpretation of spectral intensities in terms of emitting astrophysical source conditions. They have been evaluated for the ...
  • Role of magnetic pressure forces in fluctuation dynamo saturation 
    Sur, Sharanya; Subramanian, Kandaswamy (Oxford University Press on behalf of Royal Astronomical Society, 2024-01)
    Using magnetohydrodynamic simulations of fluctuation dynamos in turbulent flows with rms Mach numbers Mrms = 0.2, 1.1, and 3, we show that magnetic pressure forces play a crucial role in dynamo saturation in supersonic ...
  • Survival of Population III stars 
    Dutta, Jayanta; Sur, Sharanya; Stacy, Athena; Bagla, Jasjeet Singh (Cambridge University Press, 2018-05)
    In our earlier studyDutta (2016a), it has been shown that a number of primordial protostars (the ‘first stars’ in the Universe, also known as Population III or Pop III stars) are being ejected from the cluster of their ...

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