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    • Keywords


      Self organised criticality; Langevin equations; self consistent mode coupling

    • Abstract


      We discuss the use of coupled nonlinear stochastic differential equations to model the dynamics of complex systems, and present some analytical insights into their critical behaviour. These concern in particular the role of infrared divergences which show up in a self-consistent resummation of perturbation theory (mode-coupling approximation), and their effects on critical exponents obtained in earlier work.

    • Author Affiliations


      J K Bhattacharjee1 Anita Mehta1 2 J M Luck1

      1. Indian Association for the Cultivation of Science, Jadavpur, Calcutta - 700 032, India
      2. The Isaac Newton Institute for Mathematical Sciences, 20 Clarkson Road, Cambridge - CB3 0HE, England
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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