Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2004-01-21
Journal of Statistical Physics 115, 1231 (2004)
Physics
Condensed Matter
Statistical Mechanics
19 pages, 8 figures, accepted for publication in J. Stat. Phys
Scientific paper
10.1023/B:JOSS.0000028059.24904.
In this work we consider the steady state scaling behavior of directed percolation around the upper critical dimension. In particular we determine numerically the order parameter, its fluctuations as well as the susceptibility as a function of the control parameter and the conjugated field. Additionally to the universal scaling functions, several universal amplitude combinations are considered. We compare our results with those of a renormalization group approach.
Lubeck Sven
Willmann Richard D.
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