Evolution of solitonless wave packets in the nonlinear Schroedinger equation and the Korteweg-de Vries equation with dissipative perturbations
Journal Article
·
· Theor. Math. Phys.; (United States)
OSTI ID:5825835
The nonlinear Schroedinger equation with attraction and with repulsion (NSE(+) and NSE(-)) and the Korteweg-de Vries equation, and also the sine-Gordon equation are considered with small dissipative perturbations. For the case when the nonlinear and spatially inhomogeneous (diffusion) dissipations are dominant, explicit solutions are obtained that in the logarithmic approximation at sufficiently large times express the local amplitude and population number of the solitonless wave packet in terms of the initial data. For NSE(+), the singular case of a wave packet near the threshold of soliton creation is also considered.
- OSTI ID:
- 5825835
- Journal Information:
- Theor. Math. Phys.; (United States), Vol. 69:2; Other Information: Translated from Teor. Mat. Fiz.; 69: No. 2, 175-188(Nov 1986)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
KORTEWEG-DE VRIES EQUATION
WAVE PACKETS
SCHROEDINGER EQUATION
SINE-GORDON EQUATION
AMPLITUDES
DIFFUSION
NONLINEAR PROBLEMS
PERTURBATION THEORY
QUANTUM FIELD THEORY
SOLITONS
SUPERCONDUCTIVITY
DIFFERENTIAL EQUATIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUATIONS
FIELD EQUATIONS
FIELD THEORIES
PARTIAL DIFFERENTIAL EQUATIONS
PHYSICAL PROPERTIES
QUASI PARTICLES
WAVE EQUATIONS
657002* - Theoretical & Mathematical Physics- Classical & Quantum Mechanics
645400 - High Energy Physics- Field Theory
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
KORTEWEG-DE VRIES EQUATION
WAVE PACKETS
SCHROEDINGER EQUATION
SINE-GORDON EQUATION
AMPLITUDES
DIFFUSION
NONLINEAR PROBLEMS
PERTURBATION THEORY
QUANTUM FIELD THEORY
SOLITONS
SUPERCONDUCTIVITY
DIFFERENTIAL EQUATIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUATIONS
FIELD EQUATIONS
FIELD THEORIES
PARTIAL DIFFERENTIAL EQUATIONS
PHYSICAL PROPERTIES
QUASI PARTICLES
WAVE EQUATIONS
657002* - Theoretical & Mathematical Physics- Classical & Quantum Mechanics
645400 - High Energy Physics- Field Theory