Acta mathematica scientia,Series B ›› 2020, Vol. 40 ›› Issue (2): 515-528.doi: 10.1007/s10473-020-0214-6

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STRONG INSTABILITY OF STANDING WAVES FOR A SYSTEM NLS WITH QUADRATIC INTERACTION

Van Duong DINH1,2   

  1. 1. Laboratoire Paul Painlevé UMR 8524, Université de Lille CNRS, 59655 Villeneuve d'Ascq, Cedex, France;
    2. Department of Mathematics, HCMC University of Pedagogy, 280 An Duong Vuong, Ho Chi Minh, Vietnam
  • Received:2018-12-28 Online:2020-04-25 Published:2020-05-26
  • Supported by:
    The author is supported by the Labex CEMPI (ANR-11-LABX-0007-01).

Abstract: We study the strong instability of standing waves for a system of nonlinear Schrödinger equations with quadratic interaction under the mass resonance condition in dimension d=5.

Key words: System NLS quadratic interaction, ground states, instability, blow-up

CLC Number: 

  • 35Q44
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