UNSPECIFIED. (1991) SPIRAL-PATTERN FORMATION AND MULTISTABILITY IN LANDAU-GINZBURG SYSTEMS. PHYSICAL REVIEW B, 44 (17). pp. 9201-9213. ISSN 0163-1829

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Abstract

This paper is concerned with the formation of spiral patterns in a broad range of physical, chemical, and biomolecular systems. An overview of a series of experiments is presented followed by an analysis of spiral reductions for several types of Landau-Ginzburg equations which are applicable to these examples. The main result here is that spiral patterns occur as exact solutions of the highly nonlinear order-parameter equations of motion under three types of conditions: first, at criticality; second, at tricriticality; and third, in the presence of special types of defects which we have modeled with a nonautonomous term. A particularly timely application to ferromagnetic thin films is discussed and provides a physical interpretation of the spiral domain structures found experimentally to arise there.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW B
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	0163-1829
Official Date:	1 November 1991
Dates:	Date Event 1 November 1991 UNSPECIFIED
Volume:	44
Number:	17
Number of Pages:	13
Page Range:	pp. 9201-9213
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/22384

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