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Showing 1994Show all
3 papers · 1 filter
hep-th1994★ 88 cited
Semi-Classical Quantization of Circular Strings in De Sitter and Anti De Sitter Spacetimes
H. J. de Vega, A. L. Larsen, N. Sanchez
We compute the {\it exact} equation of state of circular strings in the (2+1) dimensional de Sitter (dS) and anti de Sitter (AdS) spacetimes, and analyze its properties for the dif…
hep-ph1994★ 54 cited
Gamma ray lines from TeV dark matter
L. Bergstrom, J. Kaplan
We calculate, using unitarity, a lower bound on the branching ratio and , where is any halo dark matter particle that has as one of the major anni…
hep-th1994★ 12 cited
Grand-Canonical Ensemble of Random Surfaces with Four Species of Ising Spins
J. -P. Kownacki, A. Krzywicki
The grand-canonical ensemble of dynamically triangulated surfaces coupled to four species of Ising spins (c=2) is simulated on a computer. The effective string susceptibility expon…