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Variational approximations in discrete nonlinear Schrödinger equations with next-nearest-neighbor couplings

✍ Scribed by C. Chong; R. Carretero-González; B.A. Malomed; P.G. Kevrekidis

Book ID
108240559
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
301 KB
Volume
240
Category
Article
ISSN
0167-2789

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A variational principle for coupled nonl
A variational principle for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity
✍ Xin-Wei Zhou; Lin Wang 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 205 KB

Via He's semi-inverse method, a variational principle is established for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity. The result obtained includes the ones known from the open literature as special cases.