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We investigate the quantitative uniqueness of solutions to parabolic equations with lower order terms on compact smooth manifolds. Quantitative uniqueness is a quantitative form of strong unique continuation property. We characterize…

Analysis of PDEs · Mathematics 2017-08-08 Jiuyi Zhu

We prove a quantitative unique continuation principle for Schr\"odinger operators $H=-\Delta+V$ on $\mathrm{L}^2(\Omega)$, where $\Omega$ is an open subset of $\mathbb{R}^d$ and $V$ is a singular potential: $V \in \mathrm{L}^\infty(\Omega)…

Mathematical Physics · Physics 2015-01-20 Abel Klein , C. S. Sidney Tsang

We obtain unique continuation results for Schrodinger equations with time dependent gradient vector potentials. This result with an appropriate modification also yields unique continuation properties for solutions of certain nonlinear…

Analysis of PDEs · Mathematics 2007-05-23 Hongjie Dong , Wolfgang Staubach

In this paper, Hardy's uncertainty principle and unique continuation properties of Schrodinger equations with operator potentials in Hilbert space-valued classes are obtained. Since the Hilbert space H and linear operators are arbitrary, by…

Analysis of PDEs · Mathematics 2019-06-04 Veli Shakhmurov

This paper mainly addresses the strong unique continuation property for the electromagnetic Schr\"{o}dinger operator with complex-valued coefficients. Appropriate multipliers with physical backgrounds have been introduced to prove a priori…

Mathematical Physics · Physics 2016-07-29 Xiaojun Lu , Xiaofen Lv

Resonant solutions of the quantum Schr\"odinger equation occur at complex energies where the S-matrix becomes singular. Knowledge of such resonances is important in the study of the underlying physical system. Often the Schr\"odinger…

Mathematical Physics · Physics 2016-08-24 Przemysław Kłosiewicz , Wim Vanroose , Jan Broeckhove

We investigate the quantitative unique continuation of solutions to higher order elliptic equations with singular coefficients. Quantitative unique continuation described by the vanishing order is a quantitative form of strong unique…

Analysis of PDEs · Mathematics 2018-03-28 Jiuyi Zhu

For the analysis of the Schr\"odinger and related equations it is of central importance whether a unique continuation principle (UCP) holds or not. In continuum Euclidean space quantitative forms of unique continuation imply Wegner…

Mathematical Physics · Physics 2018-09-28 Norbert Peyerimhoff , Matthias Täufer , Ivan Veselic

We study quantitative unique continuation for second order elliptic equations with lower-order terms of H\"older regularity via a weighted frequency function method. We establish quantitative three-ball inequalities and corresponding…

Analysis of PDEs · Mathematics 2026-03-24 Long Teng , Zhiwei Wang , Jiuyi Zhu

We prove the strong unique continuation property for many-body Pauli operators with external potentials, interaction potentials and magnetic fields in $L^p\loc(\R^d)$, and with magnetic potentials in ${L^{q}\loc(\R^d)}$, where ${p >…

Mathematical Physics · Physics 2024-07-08 Louis Garrigue

During a continuous measurement, quantum systems can be described by a stochastic Schr\"odinger equation which, in the appropriate limit, reproduces the von Neumann wave-function collapse. The average behavior on the ensemble of all…

Condensed Matter · Physics 2009-10-30 Carlo Presilla , Ubaldo Tanbini

We prove quantitative unique continuation results for solutions of $-\Delta u + W\cdot \nabla u + Vu = \lambda u$, where $\lambda \in \mathbb{C}$ and $V$ and $W$ are complex-valued decaying potentials that satisfy $|V(x)| \lesssim \langle…

Analysis of PDEs · Mathematics 2014-04-11 Blair Davey

We prove unique continuation properties for solutions of the evolution Schr\"odinger equation with time dependent potentials. As an application of our method we also obtain results concerning the possible concentration profiles of blow up…

Analysis of PDEs · Mathematics 2015-05-20 L. Escauriaza , C. E. Kenig , G. Ponce , L. Vega

We investigate unique continuation inequalities for solutions of the Schr\"odinger equations associated with special Hermite operators. Our main result establishes that if the solution remains small at two distinct time points outside sets…

Classical Analysis and ODEs · Mathematics 2023-08-01 Jayanta Sarkar

We prove the unique continuation property at the conformal infinity for asymptotically hyperbolic Einstein metrics.

Differential Geometry · Mathematics 2007-09-18 Olivier Biquard

We obtain a unique continuation result for the differential inequality $| (i\partial_t +\Delta)u | \leq |Vu| + | W\cdot\nabla u |$ by establishing $L^2$ Carleman estimates. Here, $V$ is a scalar function and $W$ is a vector function, which…

Analysis of PDEs · Mathematics 2017-09-05 Youngwoo Koh , Ihyeok Seo

We study the local behavior of solutions of the stationary Schr\" od\-inger equation with singular potentials, establishing a local decomposition into a homogeneous harmonic polynomial and a lower order term. Combining a corollary to this…

Analysis of PDEs · Mathematics 2014-09-01 Abel Klein , C. S. Sidney Tsang

In this paper, Hardy's uncertainty principle and unique continuation properties of abstract Schr\"odinger equations in vector-valued classes are obtained

Analysis of PDEs · Mathematics 2017-06-06 Veli Shakhmurov

A new approach to find exact solutions to one--dimensional quantum mechanical systems is devised. The scheme is based on the introduction of a potential function for the wavefunction, and the equation it satisfies. We recover known…

Quantum Physics · Physics 2021-02-08 Sergio A. Hojman , Felipe A. Asenjo

Recent (scale-free) quantitative unique continuation estimates for spectral subspaces of Schr\"odinger operators are extended to allow singular potentials such as certain $L^p$-functions. The proof is based on accordingly adapted Carleman…

Analysis of PDEs · Mathematics 2023-07-12 Alexander Dicke , Christian Rose , Albrecht Seelmann , Martin Tautenhahn