Scaling behavior of the conserved transfer threshold process.
We analyze numerically the critical behavior of an absorbing phase transition in the conserved transfer threshold process. We determined the steady state scaling behavior of the order parameter as a function of both the control parameter and an external field, conjugated to the order parameter. The external field is realized as a spontaneous creation of active particles which drives the system away from criticality. The obtained results yield that the conserved transfers threshold process belongs to the universality class of absorbing phase transitions in a conserved field.
Lübeck
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Department of Physics of Complex Systems, Weizmann Institute of Science, 76100 Rehovot, Israel. sven@thp.uni.duisburg.de