Heterogeneity-provoked pulse generation in coupled excitable elements.
basic_science · Level V
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- Record sourced from PubMed, PMID 39690625.
- Also identified by DOI 10.1103/PhysRevE.110.054211.
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Abstract
Pulse generation in a spatially extended system is studied numerically. Using an array of coupled excitable oscillators, pulse generation is achieved by introducing a parametric heterogeneity between the two partitions of the array. The profile of the propagating pulses can be regulated using the parameter mismatch between these two partitions. It is realized, using a simplified two linearly coupled model, that the coupling flux between the excitable elements plays a vital role in enabling the observed pulse propagation. Analytical treatment, involving linear stability analysis, validates the simulation results.