574 citations
- Max Planck SocietyDE20 papers
- University of GöttingenDE10 papers
- Wesleyan UniversityUS7 papers
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- University of FreiburgDE4 papers
- University of the AegeanGR4 papers
- Ben-Gurion University of the NegevIL3 papers
- Bernstein Center for Computational Neuroscience GöttingenDE3 papers
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14 papers · 1 filter
Free energy fluctuations and chaos in the Sherrington-Kirkpatrick model
T. Aspelmeier
The sample-to-sample fluctuations Delta F_N of the free energy in the Sherrington-Kirkpatrick model are shown rigorously to be related to bond chaos. Via this connection, the fluct…
Dynamical synapses causing self-organized criticality in neural networks
Anna Levina, J. Michael Herrmann, Theo Geisel
We show that a network of spiking neurons exhibits robust self-organized criticality if the synaptic efficacies follow realistic dynamics. Deriving analytical expressions for the a…
Noncommutative Geometries and Gravity
Folkert Muller-Hoissen
We briefly review ideas about ``noncommutativity of space-time'' and approaches toward a corresponding theory of gravity.
Bifurcation From Networks of Unstable Attractors to Heteroclinic Switching
Christoph Kirst, Marc Timme
We present a dynamical system that naturally exhibits two unstable attractors that are completely enclosed by each others basin volume. This counter-intuitive phenomenon occurs in…
Experimental measurement of acceleration correlations and pressure structure functions in high Reynolds number turbulence
Haitao Xu, Nicholas T. Ouellette, Dario Vincenzi +1
We present measurements of fluid particle accelerations in turbulent water flows between counter-rotating disks using three-dimensional Lagrangian particle tracking. By simultaneou…
Lagrangian Structure Functions in Turbulence: A Quantitative Comparison between Experiment and Direct Numerical Simulation
L. Biferale, E. Bodenschatz, M. Cencini +4
A detailed comparison between data from experimental measurements and numerical simulations of Lagrangian velocity structure functions in turbulence is presented. By integrating in…