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Showing 1998Show all
3 papers · 1 filter
cond-mat.stat-mech1998★ 46 cited
Topological aspects of geometrical signatures of phase transitions
Roberto Franzosi, Lapo Casetti, Lionel Spinelli +1
Certain geometric properties of submanifolds of configuration space are numerically investigated for classical lattice phi^4 models in one and two dimensions. Peculiar behaviors of…
astro-ph1998★ 62 cited
The Rapid Decay of the Optical Emission from GRB 980326 and its Possible Implications
Paul J. Groot, Titus J. Galama, Paul M. Vreeswijk
We report the discovery of the optical counterpart to GRB 980326. Its rapid optical decay can be characterized by a power law with exponent -2.10 +/- 0.13 and a constant underlying…
astro-ph1998★ 696 cited
A `Hypernova' model for SN 1998bw associated with gamma-ray burst of 25 April 1998
K. Iwamoto, P. A. Mazzali, K. Nomoto +24
The discovery of the peculiar supernova (SN) 1998bw and its possible association with the gamma-ray burst (GRB) 980425 provide new clues to the understanding of the explo…