Localization in Periodic Potentials: From Schrödinger Operators to the Gross–Pitaevskii Equation
Dmitry E. Pelinovsky
Oct 2011 · London Mathematical Society Lecture Note Series Book 390 · Cambridge University Press
Ebook
409
Pages
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About this ebook
This book provides a comprehensive treatment of the Gross–Pitaevskii equation with a periodic potential; in particular, the localized modes supported by the periodic potential. It takes the mean-field model of the Bose–Einstein condensation as the starting point of analysis and addresses the existence and stability of localized modes. The mean-field model is simplified further to the coupled nonlinear Schrödinger equations, the nonlinear Dirac equations, and the discrete nonlinear Schrödinger equations. One of the important features of such systems is the existence of band gaps in the wave transmission spectra, which support stationary localized modes known as the gap solitons. These localized modes realise a balance between periodicity, dispersion and nonlinearity of the physical system. Written for researchers in applied mathematics, this book mainly focuses on the mathematical properties of the Gross–Pitaevskii equation. It also serves as a reference for theoretical physicists interested in localization in periodic potentials.
About the author
Dmitry E. Pelinovsky is a Professor in the Department of Mathematics at McMaster University, Canada.
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