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  • Nonthermal fixed points in quantum field theory beyond the weak-coupling limit 

    Berges, J; Wallisch, B (American Physical Society, 2017-02-22)
    Quantum systems in extreme conditions can exhibit universal behavior far from equilibrium associated to nonthermal fixed points with a wide range of topical applications from early-Universe inflaton dynamics and heavy-ion ...
  • Geometric tuning of self-propulsion for Janus catalytic particles 

    Michelin, S; Lauga, E (Nature Publishing Group, 2017-02-13)
    Catalytic swimmers have attracted much attention as alternatives to biological systems for examining collective microscopic dynamics and the response to physico-chemical signals. Yet, understanding and predicting even the ...
  • Tropical Amplitudes 

    Tourkine, P
    In this work, we argue that the α′→0 limit of closed string theory scattering amplitudes is a tropical limit. The motivation is to develop a technology to systematize the extraction of Feynman graphs from string theory ...
  • Dynamical symmetries in Brans-Dicke cosmology 

    Papagiannopoulos, G; Barrow, JD; Basilakos, S; Giacomini, A; Paliathanasis, A (American Physical Society, 2017-01-20)
    In the context of generalized Brans-Dicke cosmology we use the Killing tensors of the minisuperspace in order to determine the unspecified potential of a scalar-tensor gravity theory. Specifically, based on the existence ...

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