Alladi Ramakrishnan Hall

Transitions to Absorbing state: Non-DP transitions

Prashant Gade

Department of Physics, RTM Nagpur University

Directed percolation universality class is very common in theoretical models of absorbing phase transitions. We show that directed percolation transition could occur in most unexpected situations. Quenched disorder is a relevant disorder and it can lead to complex Griffiths phase where we observe continuously varying complex exponents. For transitions to zigzag and checkerboard patterns in coupled maps, we observe critical behaviour over a range of parameters and not just the critical point. We investigate a couple of examples where the universality class is different. This happens in i) unidirectionally coupled multiplex networks and ii) transitions to period-3 synchronization.