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Published on: May 30, 2014
Effective phase dynamics of noise-induced oscillations in excitable systems
Justus T C Schwabedal1, Arkady Pikovsky
1Department of Physics and Astronomy, Potsdam University, 14476 Potsdam, Germany. jschwabedal@googlemail.com
Abstract:
We develop an effective description of noise-induced oscillations based on deterministic phase dynamics. The phase equation is constructed to exhibit correct frequency and distribution density of noise-induced oscillations. In the simplest one-dimensional case the effective phase equation is obtained analytically, whereas for more complex situations a simple method of data processing is suggested. As an application an effective coupling function is constructed that quantitatively describes periodically forced noise-induced oscillations.
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