The Sine-Gordon Equation in the Semiclassical Limit: Dynamics of Fluxon Condensates

The Sine-Gordon Equation in the Semiclassical Limit: Dynamics of Fluxon Condensates
Author :
Publisher : American Mathematical Soc.
Total Pages : 148
Release :
ISBN-10 : 9780821885451
ISBN-13 : 0821885456
Rating : 4/5 (51 Downloads)

Book Synopsis The Sine-Gordon Equation in the Semiclassical Limit: Dynamics of Fluxon Condensates by : Robert J. Buckingham

Download or read book The Sine-Gordon Equation in the Semiclassical Limit: Dynamics of Fluxon Condensates written by Robert J. Buckingham and published by American Mathematical Soc.. This book was released on 2013-08-23 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors study the Cauchy problem for the sine-Gordon equation in the semiclassical limit with pure-impulse initial data of sufficient strength to generate both high-frequency rotational motion near the peak of the impulse profile and also high-frequency librational motion in the tails. They show that for small times independent of the semiclassical scaling parameter, both types of motion are accurately described by explicit formulae involving elliptic functions. These formulae demonstrate consistency with predictions of Whitham's formal modulation theory in both the hyperbolic (modulationally stable) and elliptic (modulationally unstable) cases.


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