Short time asymptotics of the fundamental solutions for Schrödinger equations with non-smooth potentials

Fuente: arXiv
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Main Author: Takizawa, Shun
Format: Preprint
Published: 2024
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author Takizawa, Shun
author_facet Takizawa, Shun
contents This paper deals with Schrödinger equations with potentials which are time-dependent non-smooth and at most quadratic growth. In the case where potentials are smooth with respect to spatial variables, fundamental solutions have explicit formulas in short time by D. Fujiwara. On the otherhand in the case where ones are non-smooth, we cannot expect that fundamental solutions have similar formula as above because dispersive estimates fail to hold in general. We show that a principal part of an asymptotic form of the fundamental solution has similar form as above even in the case where a potential is in $C^2$ with respect to spatial variables.
format Preprint
id arxiv_https___arxiv_org_abs_2403_07502
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Short time asymptotics of the fundamental solutions for Schrödinger equations with non-smooth potentials
Takizawa, Shun
Analysis of PDEs
35Q41
This paper deals with Schrödinger equations with potentials which are time-dependent non-smooth and at most quadratic growth. In the case where potentials are smooth with respect to spatial variables, fundamental solutions have explicit formulas in short time by D. Fujiwara. On the otherhand in the case where ones are non-smooth, we cannot expect that fundamental solutions have similar formula as above because dispersive estimates fail to hold in general. We show that a principal part of an asymptotic form of the fundamental solution has similar form as above even in the case where a potential is in $C^2$ with respect to spatial variables.
title Short time asymptotics of the fundamental solutions for Schrödinger equations with non-smooth potentials
topic Analysis of PDEs
35Q41
url https://arxiv.org/abs/2403.07502