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We prove Strichartz estimates for the Schr\"odinger equation with scaling-critical electromagnetic potentials in dimensions $n\geq3$. The decay assumption on the magnetic potentials is critical, including the case of the Coulomb potential.…

Analysis of PDEs · Mathematics 2025-05-20 Qiuye Jia , Junyong Zhang

This is the second of a series of papers in which we investigate the decay estimates for dispersive equations with Aharonov-Bohm solenoids in a uniform magnetic field. In our first starting paper \cite{WZZ}, we have studied the Strichartz…

Analysis of PDEs · Mathematics 2023-09-15 Haoran Wang , Fang Zhang , Junyong Zhang

This is the first of a series of papers in which we investigate the decay estimates for dispersive equations with Aharonov-Bohm solenoids in a uniform magnetic field. In this first starting paper, we prove the local-in-time dispersive…

Analysis of PDEs · Mathematics 2023-09-15 Haoran Wang , Fang Zhang , Junyong Zhang

We study the dispersive behaviors of two-particles Schr\"odinger and wave equations in the Aharonov-Bohm field. In particular, we prove the Strichartz estimates for Schr\"odinger and wave equations in this setting. The key point is to…

Analysis of PDEs · Mathematics 2021-10-14 Xiaofen Gao , Junyong Zhang , Jiqiang Zheng

We prove generalized Strichartz estimates for wave and massless Dirac equations in Aharonov-Bohm magnetic fields. Following a well established strategy to deal with scaling critical perturbations of dispersive PDEs, we make use of Hankel…

Analysis of PDEs · Mathematics 2020-08-04 Federico Cacciafesta , Zhiqing Yin , Junyong Zhang

We prove global smoothing and Strichartz estimates for the Schroedinger, wave, Klein-Gordon equations and for the massless and massive Dirac systems, perturbed with singular electromagnetic potentials. We impose a smallness condition on the…

Analysis of PDEs · Mathematics 2007-05-23 Piero D'Ancona , Luca Fanelli

We establish the decay and Strichartz estimates for the wave equation with large scaling-critical electromagnetic potentials on a conical singular space $(X,g)$ with dimension $n\geq3$, where the metric $g=dr^2+r^2 h$ and…

Analysis of PDEs · Mathematics 2025-06-12 Qiuye Jia , Junyong Zhang

In this paper we prove generalized Strichartz estimates for the massive Dirac equation in the case of two critical potential perturbations, namely the $2d$ Aharonov-Bohm magnetic potential and the $3d$ Coulomb potential. The proof makes use…

Analysis of PDEs · Mathematics 2025-10-28 Federico Cacciafesta , Elena Danesi , Eric Séré

We obtain lower and upper bounds on the heat kernel and Green functions of the Schroedinger operator in a random Gaussian magnetic field and a fixed scalar potential. We apply stochastic Feynman-Kac representation, diamagnetic upper bounds…

Quantum Physics · Physics 2009-11-13 Z. Haba

The goal of a recently launched project is to extend the Euclidean models in \cite{Wang24,WZZ25-AHP,WZZ25-JDE} to a more general setting of conically singular spaces. In this paper, the main results include a weighted dispersive inequality…

Analysis of PDEs · Mathematics 2025-12-23 Haoran Wang

We show decay estimates for the propagator of the discrete Schr\"odinger and Klein-Gordon equations in the form $\norm{U(t)f}{l^\infty}\leq C (1+|t|)^{-d/3}\norm{f}{l^1}$. This implies a corresponding (restricted) set of Strichartz…

Pattern Formation and Solitons · Physics 2009-11-10 A. Stefanov , P. G. Kevrekidis

We prove local smoothing, local energy decay and weighted Strichartz inequalities for fractional Schr\"odinger equations with a Aharonov-Bohm magnetic field in 2D. Explicit representations of the flows in terms of spherical expansions of…

Analysis of PDEs · Mathematics 2016-04-12 F. Cacciafesta , L. Fanelli

This paper aims to give a general (possibly compact or noncompact) analog of Strichartz inequalities with loss of derivatives, obtained by Burq, G\'erard, and Tzvetkov [19] and Staffilani and Tataru [51]. Moreover we present a new approach,…

Classical Analysis and ODEs · Mathematics 2014-07-16 Frederic Bernicot , Valentin Samoyeau

Let $H=-\Delta+V$ be a Schr\"odinger operator on $\mathbb{R}^n$. We show that gradient estimates for the heat kernel of $H$ with upper Gaussian bounds imply polynomial decay for the kernels of certain smooth dyadic spectral operators. The…

Analysis of PDEs · Mathematics 2023-12-08 Shijun Zheng

We study the $L^p-L^q$-type uniform resolvent estimates for 2D-Schr\"odinger operators in scaling-critical magnetic fields, involving the Aharonov-Bohm model as a main example. As an application, we prove localization estimates for the…

Analysis of PDEs · Mathematics 2021-09-27 Luca Fanelli , Junyong Zhang , Jiqiang Zheng

In this paper we study the dispersive properties of a two dimensional massless Dirac equation perturbed by an Aharonov--Bohm magnetic field. Our main results will be a family of pointwise decay estimates and a full range family Strichartz…

Analysis of PDEs · Mathematics 2025-04-08 Federico Cacciafesta , Piero D'Ancona , Zhiqing Yin , Junyong Zhang

Let $\Omega$ be a bounded domain in $\mathbb{R}^N$ with $C^2$ boundary and let $K\subset\partial\Omega$ be either a $C^2$ submanifold of the boundary of codimension $k<N$ or a point. In this article we study various problems related to the…

Analysis of PDEs · Mathematics 2022-07-12 Gerassimos Barbatis , Konstantinos T. Gkikas , Achilles Tertikas

We prove Strichartz estimates for the Schroedinger equation with an electromagnetic potential, in dimension $n\geq3$. The decay and regularity assumptions on the potentials are almost critical, i.e., close to the Coulomb case. In addition,…

Analysis of PDEs · Mathematics 2009-01-27 Piero D'Ancona , Luca Fanelli , Luis Vega , Nicola Visciglia

The main objective of this paper is to extend certain fundamental inequalities from a single function to a family of orthonormal systems. In the first part of the paper, we consider a non-negative, self-adjoint operator $L$ on $L^2(X,\mu)$,…

Functional Analysis · Mathematics 2024-09-24 Guoxia Feng , Shyam Swarup Mondal , Manli Song , Huoxiong Wu

In this paper, we present a proof of dispersive decay for both linear and nonlinear magnetic Schr\"odinger equations. To achieve this, we introduce the fractional distorted Fourier transforms with magnetic potentials and define the…

Analysis of PDEs · Mathematics 2023-08-09 Zhiwen Duan , Lei Wei
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