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4 papers · 2 filters
Quantum relaxation after a quench in systems with boundaries
Ferenc Iglói, Heiko Rieger
We study the time-dependence of the magnetization profile, m_l(t), of a large finite open quantum Ising chain after a quench. We observe a cyclic variation, in which starting with…
Griffiths phases in the contact process on complex networks
Géza Ódor, Róbert Juhász, Claudio Castellano +1
Dynamical processes occurring on top of complex networks have become an exciting area of research. Quenched disorder plays a relevant role in general dynamical processes and phase…
Nonequilibrium phase transition in a driven Potts model with friction
Ferenc Igloi, Michel Pleimling, Loic Turban
We consider magnetic friction between two systems of -state Potts spins which are moving along their boundaries with a relative constant velocity . Due to the interaction bet…
Griffiths phases on complex networks
Miguel A. Muñoz, Róbert Juhász, Claudio Castellano +1
Quenched disorder is known to play a relevant role in dynamical processes and phase transitions. Its effects on the dynamics of complex networks have hardly been studied. Aimed at…