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54 papers · 1 filter
Topology Change and theta-Vacua in 2D Yang-Mills Theory
Tom D. Imbo, P. Teotonio-Sobrinho
We discuss the existence of -vacua in pure Yang-Mills theory in two space-time dimensions. More precisely, a procedure is given which allows one to classify the distinct quantum…
Renormalization group of probabilistic cellular automata with one absorbing state
M. J. de Oliveira, J. Satulovsky
We apply a recently proposed dynamically driven renormalization group scheme to probabilistic cellular automata having one absorbing state. We have found just one unstable fixed po…
HBT Interferometry for Sonoluminescence Bubble
Y. Hama, T. Kodama, Sandra S. Padula
The two-photon correlation of the light pulse emitted from a sonoluminescence bubble is discussed. It is shown that several important information about the mechanism of light emiss…
Global regularities in integrated galaxy spectra
Laerte Sodre, Hector Cuevas
We have investigated some statistical properties of integrated spectra of galaxies from Kennicutt (1992a) spectrophotometric atlas. The input for the analysis are galaxy spectra sa…
Error threshold in the evolution of diploid organisms
Domingos Alves, J. F. Fontanari
The effects of error propagation in the reproduction of diploid organisms are studied within the populational genetics framework of the quasispecies model. The dependence of the er…
Alfven heating in optical filaments in cooling flows
A. C. S. Friaca, D. R. Goncalves, L. C. Jafelice +2
One of the major problems concerning cooling flows is the nature of the mechanism powering the emission lines of the optical filaments seen in the inner regions of cooling flows. I…