Tue, 17/05/2016 - 17:15
,
Campus Saarbrücken, Geb. E2 6, E04

Dr. Weiran Cai
(
Host: Prof. Dr. Heiko Rieger
)
Technical University Dresden

First-order phase transition in cooperative percolation

Percolation is ubiquitous. The long accepted concept for such processes is that they undergo a continuous transition, including the explosive percolation under intensive discussions. However, the violent spreading of historical co-epidemics has suggested a new type of percolation transition. In our recent work, we proposed a model involving cooperation between different species of pathogens (agents). Here, a fundamentally different scenario from classic ordinary percolation was unveiled, showing that both continuous and discontinuous phase transitions are possible to arise. Our Monte Carlo simulations suggest a critical role of the size distribution of loops in the underlying topology in determining the order of phase transition. A first-order transition is clearly imminent when there is a barrier established by the loops, which draws a close relation to nucleation. In such cases, an epidemic either dies out prematurely or goes for cascaded mutual infections right at a threshold. The model suggests a cooperation-induced instability on complex networks, which can also underpin binary chemical deposition or failure spreading phenomena.

Upcoming Events

  • IRTG Intro Lecture

    Tue, 27/07/2021 - 14:15
    ,
    Online lecture via MS Teams

    Dr. Yvonne Schwarz

    Knowing when to talk or stay silent - how do secretory cells communicate with each other?”

    Investigating the molecular mechanisms of exocytosis using state-of-the-art microscopy, biochemistry, mouse genetics and electrophysiology

  • IRTG Intro Lecture

    Tue, 19/10/2021 - 14:15
    ,
    Online lecture via MS Teams

    Jun.-Prof. Laura Aradilla-Zapata

    t.b.a.

  • IRTG workshop

    Tue, 09/11/2021 - 09:00 to Wed, 10/11/2021 - 12:00
    ,
    t.b.a.

    Dr. Christiane Kasack

    Making it happen: Time and self management for your PhD

  • IRTG Intro Lecture

    Tue, 07/12/2021 - 14:15
    ,
    t.b.a.

    Prof. Dr. Sandra Iden

    t.b.a.

 

 

 

 

 

 

 

 

 

 

 

 

  Legal notice Privacy policy