Synchronization and Waves in Active Media
Seiten
2019
|
1st ed. 2019
Springer International Publishing (Verlag)
978-3-030-11056-7 (ISBN)
Springer International Publishing (Verlag)
978-3-030-11056-7 (ISBN)
The interplay between synchronization and spatio-temporal pattern formation is central for a broad variety of phenomena in nature, such as the coordinated contraction of heart tissue, associative memory and learning in neural networks, and pathological synchronization during Parkinson disease or epilepsy.
In this thesis, three open puzzles of fundametal research in Nonlinear Dynamics are tackled: How does spatial confinement affect the dynamics of three-dimensional vortex rings? What role do permutation symmetries play in the spreading of excitation waves on networks? Does the spiral wave chimera state really exist?
All investigations combine a theoretical approach and experimental verification, which exploit an oscillatory chemical reaction. A novel experimental setup is developed that allows for studying networks with N > 1000 neuromorphic relaxation oscillators. It facilitates the free choice of network topology, coupling function as well as its strength, range and time delay, which can even be chosen as time-dependent. These experimental capabilities open the door to a broad range of future experimental inquiries into pattern formation and synchronization on large networks, which were previously out of reach.
In this thesis, three open puzzles of fundametal research in Nonlinear Dynamics are tackled: How does spatial confinement affect the dynamics of three-dimensional vortex rings? What role do permutation symmetries play in the spreading of excitation waves on networks? Does the spiral wave chimera state really exist?
All investigations combine a theoretical approach and experimental verification, which exploit an oscillatory chemical reaction. A novel experimental setup is developed that allows for studying networks with N > 1000 neuromorphic relaxation oscillators. It facilitates the free choice of network topology, coupling function as well as its strength, range and time delay, which can even be chosen as time-dependent. These experimental capabilities open the door to a broad range of future experimental inquiries into pattern formation and synchronization on large networks, which were previously out of reach.
Introduction.- Confined Scroll Rings.- Target Wave Synchronization on a Network.- Spiral Wave Chimera.- Appendix: Dimensional Reduction of Oscillators and Oscillatory Patterns
| Erscheinungsdatum | 02.02.2019 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XII, 164 p. 174 illus., 64 illus. in color. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 430 g |
| Themenwelt | Mathematik / Informatik ► Mathematik ► Angewandte Mathematik |
| Naturwissenschaften ► Physik / Astronomie ► Angewandte Physik | |
| Naturwissenschaften ► Physik / Astronomie ► Optik | |
| Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
| Schlagworte | Belousov-Zhabotinsky oscillators • Chimera State • Excitable Media • Model of ventricular tachycardia, • Oscillatory Systems • Scroll Ring • Self-organized patterns • Spiral Waves • Synchronization and Entrainment |
| ISBN-10 | 3-030-11056-7 / 3030110567 |
| ISBN-13 | 978-3-030-11056-7 / 9783030110567 |
| Zustand | Neuware |
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