2 00 4 Global Existence and Scattering for Rough Solutions of a Nonlinear Schrödinger Equation on R 3

نویسندگان

  • J. COLLIANDER
  • M. KEEL
  • G. STAFFILANI
  • H. TAKAOKA
  • T. TAO
چکیده

We prove global existence and scattering for the defocusing, cubic nonlinear Schrödinger equation in H s (R 3) for s > 4 5. The main new estimate in the argument is a Morawetz-type inequality for the solution φ. This estimate bounds φ(x, t) L 4 x,t (R 3 ×R) , whereas the well-known Morawetz-type estimate of Lin-Strauss controls ∞ 0 R 3 (φ(x,t)) 4 |x| dxdt.

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تاریخ انتشار 2004