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QUANTUM SOLITONS

Published online by Cambridge University Press:  14 July 2005

R. K. BULLOUGH
Affiliation:
School of Mathematics, University of Manchester, P.O. Box 88, Sackville St., Manchester M60 1QD UK e-mail: Robin.Bullough@manchester.ac.uk
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Abstract

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Two themes are considered in this paper. First of all in the Introduction a comment is made about the Tzitzéica equation which occurred in the author's work as reported in [1]. Much recent work has referred to this equation and a representative bibliography is given in this paper with brief comments. The second theme of this paper is concerned with work surrounding Quantum Solitons and the author's talk at the ISLAND 2 meeting under the title ‘Quantum solitons’ is briefly summarised. An extended review of this subject matter has now appeared in [2] and as there the quantum soliton of the quantum attractive NLS model is seen as a ‘qubit’ for quantum information purposes. It is hoped that this summary and/or the reference [2] can help to stimulate further interest in this ‘quantum’ aspect of our subject in the solitons community. The actual observation of a quantum soliton is also reported and a proper theoretical description of it given. Reference is made to $q$-boson lattices first as a simple example of the quantum inverse method in the Introduction and then as a subject matter in its own right at the end of the paper.

Keywords

Type
Research Article
Copyright
2005 Glasgow Mathematical Journal Trust