On the basis of a recently-proposed method to find solitary solutions of generalized nonlinear Schrödinger equations (Fedele R and Schamel H 2002 Eur. Phys. J. B 27 313, Fedele R 2002 Phys. Scr. 65 502, Fedele R, Schamel H and Shukla P K 2002 Phys. Scr. T 98 18), the existence of envelope solitonlike solutions of a nonlinear Schrödinger equation containing an anti-cubic nonlinearity (|ψ|-4ψ) plus a 'regular' nonlinear part is investigated. In particular, in the case that the regular nonlinear part consists of a sum of cubic and quintic nonlinearities (i.e. q 1|ψ|2ψ + q2|ψ|4ψ), an upper-shifted bright envelope solitonlike solution is explicitly found.

Envelope solitons of nonlinear schrödinger equation with an anti-cubic nonlinearity / Fedele, Renato; H., Schamel; V. I., Karpman; P. K., Shukla. - In: JOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL. - ISSN 0305-4470. - STAMPA. - 36:4(2003), pp. 1169-1173. [10.1088/0305-4470/36/4/322]

Envelope solitons of nonlinear schrödinger equation with an anti-cubic nonlinearity

FEDELE, RENATO;
2003

Abstract

On the basis of a recently-proposed method to find solitary solutions of generalized nonlinear Schrödinger equations (Fedele R and Schamel H 2002 Eur. Phys. J. B 27 313, Fedele R 2002 Phys. Scr. 65 502, Fedele R, Schamel H and Shukla P K 2002 Phys. Scr. T 98 18), the existence of envelope solitonlike solutions of a nonlinear Schrödinger equation containing an anti-cubic nonlinearity (|ψ|-4ψ) plus a 'regular' nonlinear part is investigated. In particular, in the case that the regular nonlinear part consists of a sum of cubic and quintic nonlinearities (i.e. q 1|ψ|2ψ + q2|ψ|4ψ), an upper-shifted bright envelope solitonlike solution is explicitly found.
2003
Envelope solitons of nonlinear schrödinger equation with an anti-cubic nonlinearity / Fedele, Renato; H., Schamel; V. I., Karpman; P. K., Shukla. - In: JOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL. - ISSN 0305-4470. - STAMPA. - 36:4(2003), pp. 1169-1173. [10.1088/0305-4470/36/4/322]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/3055
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