Soliton-like solutions for the nonlinear schrödinger equation with variable quadratic hamiltonians

Erwin Suazo, Sergei Suslov

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We construct one-soliton solutions for the nonlinear Schr̈odinger equation with variable quadratic Hamiltonians in a unified form by taking advantage of the complete (super) integrability of generalized harmonic oscillators. The soliton-wave evolution in external fields with variable quadratic potentials is totally determined by the linear problem, like motion of a classical particle with acceleration, and the (self-similar) soliton shape is due to a subtle balance between the linear Hamiltonian (dispersion and potential) and nonlinearity in the Schr̈odinger equation by the standards of soliton theory. Most linear (hypergeometric, Bessel) and a few nonlinear (Jacobian elliptic, second Painlev́e transcendental) classical special functions of mathematical physics are linked together through these solutions, thus providing a variety of nonlinear integrable cases. Examples include bright and dark solitons and Jacobi elliptic and second Painlev́e transcendental solutions for several variable Hamiltonians that are important for research in nonlinear optics, plasma physics, and Bose-Einstein condensation. The Feshbach-resonance matter-wave-soliton management is briefly discussed from this new perspective.

Original languageEnglish (US)
Pages (from-to)63-83
Number of pages21
JournalJournal of Russian Laser Research
Volume33
Issue number1
DOIs
StatePublished - Jan 2012

Fingerprint

Hamiltonians
Solitons
Nonlinear equations
nonlinear equations
solitary waves
Schrodinger equation
Physics
Bose-Einstein condensation
Nonlinear optics
plasma physics
nonlinear optics
harmonic oscillators
condensation
nonlinearity
Plasmas
physics

Keywords

  • Bose-Einstein condensation
  • Feshbach resonance
  • fiber optics
  • generalized harmonic oscillators
  • Gross-Pitaevskii equation
  • Jacobian elliptic functions
  • nonlinear Schrödinger equation
  • Painlevé II transcendents
  • soliton-like solutions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)

Cite this

Soliton-like solutions for the nonlinear schrödinger equation with variable quadratic hamiltonians. / Suazo, Erwin; Suslov, Sergei.

In: Journal of Russian Laser Research, Vol. 33, No. 1, 01.2012, p. 63-83.

Research output: Contribution to journalArticle

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