Coarsening in a bistable system with long-delayed feedback
Identifieur interne : 000194 ( Main/Exploration ); précédent : 000193; suivant : 000195Coarsening in a bistable system with long-delayed feedback
Auteurs : Giovanni Giacomelli [Italie] ; Francesco Marino ; Michael A. Zaks ; Serhiy YanchukSource :
- Europhysics Letters [ 0295-5075 ] ; 2012-09.
English descriptors
- Teeft :
- Bistable, Bistable system, Bistable systems, Coarsening, Coarsening process, Constant states, Control parameters, Delay time, Dynamics, Experimental evidence, Feedback, Front dynamics, Front velocities, Giacomelli, Giovanni giacomelli, Heteroclinic orbits, Homoclinic orbit, Homogeneous state, Initial state, Intrinsic timescale, Laser, Laser intensity, Lett, Lled dots, Long delay, Numerical data, Open dots, Opposite situation, Periodic solution, Phys, Reference frame, Steady states, Symmetric case, Temporal phenomena, Whole space.
Abstract
The correspondence between long-delayed systems and one-dimensional spatially extended media enables a direct interpretation of purely temporal phenomena in terms of spatio-temporal patterns. On the basis of this result, we provide the evidence of a characteristic spatio-temporal dynamics coarsening in a long-delayed bistable system. Nucleation, propagation and annihilation of fronts, leading eventually to a single phase, are observed in an experiment based on a laser with opto-electronic feedback. A numerical and analytical study of a general phenomenological model is also performed and compared with the experimental findings.
Url:
DOI: 10.1209/0295-5075/99/58005
Affiliations:
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On the basis of this result, we provide the evidence of a characteristic spatio-temporal dynamics coarsening in a long-delayed bistable system. Nucleation, propagation and annihilation of fronts, leading eventually to a single phase, are observed in an experiment based on a laser with opto-electronic feedback. A numerical and analytical study of a general phenomenological model is also performed and compared with the experimental findings.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="Marino, Francesco" sort="Marino, Francesco" uniqKey="Marino F" first="Francesco" last="Marino">Francesco Marino</name><name sortKey="Yanchuk, Serhiy" sort="Yanchuk, Serhiy" uniqKey="Yanchuk S" first="Serhiy" last="Yanchuk">Serhiy Yanchuk</name><name sortKey="Zaks, Michael A" sort="Zaks, Michael A" uniqKey="Zaks M" first="Michael A." last="Zaks">Michael A. Zaks</name></noCountry><country name="Italie"><noRegion><name sortKey="Giacomelli, Giovanni" sort="Giacomelli, Giovanni" uniqKey="Giacomelli G" first="Giovanni" last="Giacomelli">Giovanni Giacomelli</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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