Strichartz estimates for Schrödinger equations with variable coefficients and unbounded potentials

Details Strichartz estimates for Schrödinger equations with variable coefficients and unbounded potentials Strichartz estimates for Schrödinger equations with variable coefficients and unbounded potentials

2012-02-23

arxiv.org/abs/1202.5201v2

Mathematics

Analysis of PDEs

42 pages. Some typos fixed, references added

Scientific paper

The present paper is concerned with Schr\"odinger equations with variable coefficients and unbounded electromagnetic potentials, where the kinetic energy part is a long-range perturbation of the flat Laplacian and the electric (resp. magnetic) potential can grow subquadratically (resp. sublinearly) at spatial infinity. We prove sharp (local-in-time) Strichartz estimates, outside a large compact ball centered at origin, for any admissible pair including the endpoint. Under the nontrapping condition on the Hamilton flow generated by the kinetic energy, global-in-space estimates are also studied. Finally, under the nontrapping condition, we prove Strichartz estimates with an arbitrarily small derivative loss without asymptotic flatness on the coefficients.

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