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Sharp asymptotic behavior of solutions to damped nonlinear Schrödinger equations

Kodai Takagi, Shun Takizawa

Abstract

We consider large time asymptotics for damped nonlinear Schrödinger equations. It is known that the nonlinear solution asymptotically behaves like a linear solution when time $t$ tends to infinity in the energy space. We prove that its convergence rate can be refined and the obtained rate is sharp if initial data belong to certain function spaces. This result partially solves open problems concerning the optimal decay rate of scattering.

Sharp asymptotic behavior of solutions to damped nonlinear Schrödinger equations

Abstract

We consider large time asymptotics for damped nonlinear Schrödinger equations. It is known that the nonlinear solution asymptotically behaves like a linear solution when time tends to infinity in the energy space. We prove that its convergence rate can be refined and the obtained rate is sharp if initial data belong to certain function spaces. This result partially solves open problems concerning the optimal decay rate of scattering.
Paper Structure (5 sections, 54 equations)

This paper contains 5 sections, 54 equations.

Table of Contents

  1. Introduction
  2. Function spaces
  3. Small data global existence (SDGE)
  4. Proof of Theorem \ref{['thm2']}
  5. Proof of Theorem \ref{['thm1']}

Theorems & Definitions (5)

  • proof
  • proof
  • proof
  • proof
  • proof