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The asymptotic stability on the line of ground states of the pure power NLS with 0 < |p − 3| ≪ 1

Cuccagna, Scipio
•
Maeda, Masaya
2025
  • journal article

Periodico
JOURNAL OF FUNCTIONAL ANALYSIS
Abstract
For exponents p satisfying 0<|p−3|≪1 and only in the context of spatially even solutions we prove that the ground states of the nonlinear Schrödinger equation (NLS) with pure power nonlinearity of exponent p in the line are asymptotically stable. The proof is similar to a related result of Martel [45] for a cubic quintic NLS. Here we modify the second part of Martel's argument, replacing the second virial inequality for a transformed problem with a smoothing estimate on the initial problem, appropriately tamed by multiplying the initial variables and equations by a cutoff.
DOI
10.1016/j.jfa.2025.110861
WOS
WOS:001434621900001
Archivio
https://hdl.handle.net/11368/3108979
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85217902723
https://www.sciencedirect.com/science/article/pii/S0022123625000436
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/3108979/1/1-s2.0-S0022123625000436-main.pdf
Soggetti
  • Asymptotic stability

  • Ground state

  • Nonlinear Fermi golde...

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