Abstract
The response of spiral waves to external perturbations in a stable regime of the two-dimensional complex Ginzburg-Landau equation (CGLE) is investigated. It is shown that the spiral core has a finite mobility and performs Brownian motion when driven by white noise. Combined with simulation results, this suggests that defect-free and quasifrozen states in the noiseless CGLE are susceptible to unpaired vortex excitation at any nonzero noise strength.
| Original language | English |
|---|---|
| Pages (from-to) | 2646-2649 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 80 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 1998 |
Scopus Subject Areas
- Physics and Astronomy(all)