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Localized structures generated by subcritical instabilities

Thual, O., Fauve, S.·1988·Journal de Physique

Abstract

We report the existence of structurally stable pulse-like solutions in the vicinity of an inverted Hopf bifurcation. These localized structures correspond to droplets in first order phase transitions, where they are known to be unstable. We show that the stabilisation mechanism is a non variational effect, i.e. is due to the non existence of a "free-energy" to minimize in the instability problem we consider. We propose this mechanism as an explanation for the existence of localized waves in shear flows or in convection experiments in binary fluid mixtures.

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Metadata

Authors
Thual, O., & Fauve, S.
Venue
Journal de Physique
Publisher
EDP Sciences
Published
1988
Volume
49
Issue
11
Pages
1829-1833
ISSN
0302-0738 (ISSN-L)
OpenAlex
W1969319512
Cited by
416
References
0
FWCI
22.62
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Localized structures generated by subcritical instabilities. https://app.cochat.ai/papers/10.1051/jphys:0198800490110182900
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Thual, O., & Fauve, S. (1988). Localized structures generated by subcritical instabilities. Journal de Physique. https://doi.org/10.1051/jphys%3A0198800490110182900

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