Non-steady behaviour of a spiral under a constant current

A. Belmonte; J. M. Flesselles

doi:10.1209/0295-5075/32/3/013

Non-steady behaviour of a spiral under a constant current

A. Belmonte, J. M. Flesselles

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Abstract

We present an experimental study of the motion of a rotating spiral in the Belousov-Zhabotinsky reaction in an «almost open» reactor, under the influence of a constant external current. We provide a simple model based on symmetries to explain the previous experimental observations, but show that it is unable to describe the true motion of a spiral. The motion of a spiral cannot be reduced to that of its centre: global deformation modes must also be taken into account.

Original language	English (US)
Pages (from-to)	267-272
Number of pages	6
Journal	Europhysics Letters
Volume	32
Issue number	3
DOIs	https://doi.org/10.1209/0295-5075/32/3/013
State	Published - Oct 20 1995

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1209/0295-5075/32/3/013

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abstract = "We present an experimental study of the motion of a rotating spiral in the Belousov-Zhabotinsky reaction in an «almost open» reactor, under the influence of a constant external current. We provide a simple model based on symmetries to explain the previous experimental observations, but show that it is unable to describe the true motion of a spiral. The motion of a spiral cannot be reduced to that of its centre: global deformation modes must also be taken into account.",

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AB - We present an experimental study of the motion of a rotating spiral in the Belousov-Zhabotinsky reaction in an «almost open» reactor, under the influence of a constant external current. We provide a simple model based on symmetries to explain the previous experimental observations, but show that it is unable to describe the true motion of a spiral. The motion of a spiral cannot be reduced to that of its centre: global deformation modes must also be taken into account.

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Non-steady behaviour of a spiral under a constant current

Abstract

All Science Journal Classification (ASJC) codes

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