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cond-mat.stat-mech1998
Internal avalanches in models of granular media
S. Krishnamurthy, H. J. Herrmann, V. Loreto +2
We study the phenomenon of internal avalanching within the context of recently introduced lattice models of granular media. The avalanche is produced by pulling out a grain at the…
astro-ph1998
The Galactic globular cluster NGC 1851: its dynamical and evolutionary properties
I. Saviane, G. Piotto, F. Fagotto +3
We have completely mapped the globular cluster NGC 1851 with VI CCD photometry, obtaining a CMD for ca. 20500 stars. From the apparent luminosity of the HB we derive a distance mod…