On blow up for the energy super critical defocusing nonlinear Schrödinger equations

Frank Merle, Pierre Raphaël, Igor Rodnianski, Jeremie Szeftel

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


We consider the energy supercritical defocusing nonlinear Schrödinger equation i∂tu+Δu-u|u|p-1=0in dimension d≥ 5. In a suitable range of energy supercritical parameters (d, p), we prove the existence of C well localized spherically symmetric initial data such that the corresponding unique strong solution blows up in finite time. Unlike other known blow up mechanisms, the singularity formation does not occur by concentration of a soliton or through a self similar solution, which are unknown in the defocusing case, but via a front mechanism. Blow up is achieved by compression for the associated hydrodynamical flow which in turn produces a highly oscillatory singularity. The front blow up profile is chosen among the countable family of C spherically symmetric self similar solutions to the compressible Euler equation whose existence and properties in a suitable range of parameters are established in the companion paper (Merle et al. in Preprint (2019)) under a non degeneracy condition which is checked numerically.

Original languageEnglish (US)
Pages (from-to)247-413
Number of pages167
JournalInventiones Mathematicae
Issue number1
StatePublished - Jan 2022

All Science Journal Classification (ASJC) codes

  • General Mathematics


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