Nonlinear Schrödinger equations: concentration on weighted geodesics in the semi-classical limit

Manuel del Pino; Michał Kowalczyk; Juncheng Wei

doi:10.1016/j.crma.2005.06.026

Partial Differential Equations

Nonlinear Schrödinger equations: concentration on weighted geodesics in the semi-classical limit
[Equations de Schrödinger non linéaires : Concentration sur des géodésiques pondérées dans la limite semi-classique]

Présenté par : Haïm Brezis

Manuel del Pino ¹ ; Michał Kowalczyk ^1,² ; Juncheng Wei ³

¹ Departamento de Ingeniería Matemática and CMM, Universidad de Chile, Casilla 170 Correo 3, Santiago, Chile
² Kent State University, Department of Mathematical Sciences, Kent, OH 44242, USA
³ Department of Mathematics, Chinese University of Hong Kong, Shatin, Hong Kong

Comptes Rendus. Mathématique, Volume 341 (2005) no. 4, pp. 223-228.

Résumé
Abstract

On considère le problème

ɛ^{2} Δ u - V (x) u + u^{p} = 0, u > 0, u \in H^{1} (R^{2}),

avec

p > 1

, où

ɛ > 0

est un petit paramètre et V est un potentiel régulier, uniformément positif. Soit Γ une courbe fermée formant une géodésique non dégénérée relativement à la longueur pondérée

\int_{Γ} V^{σ}

, avec

σ = \frac{p + 1}{p - 1} - \frac{1}{2}

. Nous démontrons l'existence d'une solution

u_{ε}

qui se concentre le long de la courbe Γ tout entière, exponentiellement petite en ɛ à toute distance positive de Γ, pourvu que ɛ soit petit et évite certaines valeurs critiques. Ceci répond affirmativement à une conjecture énoncée dans [A. Ambrosetti, A. Malchiodi, W.-M. Ni, Singularly perturbed elliptic equations with symmetry: existence of solutions concentrating on spheres, Part I, Commun. Math. Phys. 235 (2003) 427–466] dans le cas bi-dimensionnel.

We consider the problem

ɛ^{2} Δ u - V (x) u + u^{p} = 0, u > 0, u \in H^{1} (R^{2}),

where

p > 1

,

ɛ > 0

is a small parameter and V is a uniformly positive, smooth potential. Let Γ be a closed curve, nondegenerate geodesic relative to the weighted arclength

\int_{Γ} V^{σ}

, where

σ = \frac{p + 1}{p - 1} - \frac{1}{2}

. We prove the existence of a solution

u_{ε}

concentrating along the whole of Γ, exponentially small in ɛ at any positive distance from it, provided that ɛ is small and away from certain critical numbers. This proves a conjecture raised in [A. Ambrosetti, A. Malchiodi, W.-M. Ni, Singularly perturbed elliptic equations with symmetry: existence of solutions concentrating on spheres, Part I, Commun. Math. Phys. 235 (2003) 427–466] in the two-dimensional case.

Reçu le : 2005-06-05
Accepté le : 2005-06-06
Publié le : 2005-08-03

DOI : 10.1016/j.crma.2005.06.026

Affiliations des auteurs :

Manuel del Pino ¹ ; Michał Kowalczyk ^{1, 2} ; Juncheng Wei ³

¹ Departamento de Ingeniería Matemática and CMM, Universidad de Chile, Casilla 170 Correo 3, Santiago, Chile
² Kent State University, Department of Mathematical Sciences, Kent, OH 44242, USA
³ Department of Mathematics, Chinese University of Hong Kong, Shatin, Hong Kong

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     author = {Manuel del Pino and Micha{\l} Kowalczyk and Juncheng Wei},
     title = {Nonlinear {Schr\"odinger} equations: concentration on weighted geodesics in the semi-classical limit},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {223--228},
     publisher = {Elsevier},
     volume = {341},
     number = {4},
     year = {2005},
     doi = {10.1016/j.crma.2005.06.026},
     language = {en},
}

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Manuel del Pino; Michał Kowalczyk; Juncheng Wei. Nonlinear Schrödinger equations: concentration on weighted geodesics in the semi-classical limit. Comptes Rendus. Mathématique, Volume 341 (2005) no. 4, pp. 223-228. doi : 10.1016/j.crma.2005.06.026. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/j.crma.2005.06.026/

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