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@ARTICLE{Hallatschek:1008314,
      author       = {Hallatschek, Oskar and Datta, Sujit S. and Drescher, Knut
                      and Dunkel, Jörn and Elgeti, Jens and Waclaw, Bartek and
                      Wingreen, Ned S.},
      title        = {{P}roliferating active matter},
      journal      = {Nature reviews / Physics},
      volume       = {5},
      issn         = {2522-5820},
      address      = {London},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2023-02276},
      pages        = {407–419},
      year         = {2023},
      abstract     = {The fascinating patterns of collective motion created by
                      autonomously driven particles have fuelled active-matter
                      research for over two decades. So far, theoretical
                      active-matter research has often focused on systems with a
                      fixed number of particles. This constraint imposes strict
                      limitations on what behaviours can and cannot emerge.
                      However, a hallmark of life is the breaking of local cell
                      number conservation by replication and death. Birth and
                      death processes must be taken into account, for example, to
                      predict the growth and evolution of a microbial biofilm, the
                      expansion of a tumour, or the development from a fertilized
                      egg into an embryo and beyond. In this Perspective, we argue
                      that unique features emerge in these systems because
                      proliferation represents a distinct form of activity: not
                      only do the proliferating entities consume and dissipate
                      energy, they also inject biomass and degrees of freedom
                      capable of further self-proliferation, leading to myriad
                      dynamic scenarios. Despite this complexity, a growing number
                      of studies document common collective phenomena in various
                      proliferating soft-matter systems. This generality leads us
                      to propose proliferation as another direction of
                      active-matter physics, worthy of a dedicated search for new
                      dynamical universality classes. Conceptual challenges
                      abound, from identifying control parameters and
                      understanding large fluctuations and nonlinear feedback
                      mechanisms to exploring the dynamics and limits of
                      information flow in self-replicating systems. We believe
                      that, by extending the rich conceptual framework developed
                      for conventional active matter to proliferating active
                      matter, researchers can have a profound impact on
                      quantitative biology and reveal fascinating emergent physics
                      along the way.},
      cin          = {IBI-5 / IAS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IBI-5-20200312 / I:(DE-Juel1)IAS-2-20090406},
      pnm          = {5243 - Information Processing in Distributed Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5243},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37360681},
      UT           = {WOS:000999177600001},
      doi          = {10.1038/s42254-023-00593-0},
      url          = {https://juser.fz-juelich.de/record/1008314},
}