Stationary solutions for the 2D critical Dirac equation with Kerr nonlinearity

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10 Citazioni (Scopus)


In this paper we prove the existence of an exponentially localized stationary solution for a two-dimensional cubic Dirac equation. It appears as an effective equation in the description of nonlinear waves for some Condensed Matter (Bose–Einstein condensates) and Nonlinear Optics (optical fibers) systems. The nonlinearity is of Kerr-type, that is of the form |ψ|2ψ and thus not Lorenz-invariant. We solve compactness issues related to the critical Sobolev embedding H[Formula presented](R2,C2)↪L4(R2,C4) thanks to a particular radial ansatz. Our proof is then based on elementary dynamical systems arguments.
Lingua originaleEnglish
pagine (da-a)7941-7964
Numero di pagine24
RivistaJournal of Differential Equations
Stato di pubblicazionePubblicato - 2017


  • critical Dirac equations


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