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This paper has been withdrawn by the author due to an error estimate in Lemma 3.1.

经典分析与常微分方程 · 数学 2012-06-11 Shuanglin Shao

We provide new estimates on the best constant of the Lieb-Thirring inequality for the sum of the negative eigenvalues of Schr\"odinger operators, which significantly improve the so far existing bounds.

数学物理 · 物理学 2024-01-31 Rupert L. Frank , Dirk Hundertmark , Michal Jex , Phan Thành Nam

We prove quantum dynamical lower bounds for one-dimensional continuum Schr\"odinger operators that possess critical energies for which there is slow growth of transfer matrix norms and a large class of compactly supported initial states.…

数学物理 · 物理学 2014-12-30 David Damanik , Daniel Lenz , Günter Stolz

We prove optimal Lieb-Thirring type inequalities for Schr\"odinger and Jacobi operators with complex potentials. Our results bound eigenvalue power sums (Riesz means) by the $L^p$ norm of the potential, where in contrast to the self-adjoint…

谱理论 · 数学 2025-10-03 Sabine Bögli , Sukrid Petpradittha

We review some results and proofs on eigenvalue bounds for random Schr\"odinger operators with complex-valued potentials. We also include new Schatten norm estimates for the resolvent and use them to obtain bounds for sums of eigenvalues.

谱理论 · 数学 2023-08-29 Jean-Claude Cuenin , Konstantin Merz

This is a brief review of Lieb-Thirring inequalities for eigenvalues of the Schroedinger operator and lower bounds for the quantum mechanical kinetic energy (and some generalizations) in R^n.

数学物理 · 物理学 2007-05-23 Elliott H. Lieb

We prove an upper bound on the sum of the distances between the eigenvalues of a perturbed Schr\"odinger operator $H_0-V$ and the lowest eigenvalue of $H_0$. Our results hold for operators $H_0=-\Delta-V_0$ in one dimension with single-well…

谱理论 · 数学 2022-10-27 Larry Read

We review some recent results on eigenvalues of fractional Laplacians and fractional Schr\"odinger operators. We discuss, in particular, Lieb-Thirring inequalities and their generalizations, as well as semi-classical asymptotics.

谱理论 · 数学 2017-11-07 Rupert L. Frank

We study generalized Robin boundary conditions, Robin-to-Dirichlet maps, and Krein-type resolvent formulas for Schr\"odinger operators on bounded Lipschitz domains in $\bbR^n$, $n\ge 2$. We also discuss the case of bounded…

偏微分方程分析 · 数学 2008-05-15 Fritz Gesztesy , Marius Mitrea

This paper has been withdrawn by the author due to crucial sign error in Lemma 8.1.

经典分析与常微分方程 · 数学 2012-04-09 Luong Dang Ky

We study Robin-to-Robin maps, and Krein-type resolvent formulas for Schr\"odinger operators on bounded Lipschitz domains in $\bbR^n$, $n\ge 2$, with generalized Robin boundary conditions.

偏微分方程分析 · 数学 2008-05-15 Fritz Gesztesy , Marius Mitrea

We prove a reverse Lieb-Thirring inequality with a sharp constant for the matrix Schr\"odinger equation on the half-line.

数学物理 · 物理学 2024-11-13 Ricardo Weder

Following Eden and Foias we obtain a matrix version of a generalised Sobolev inequality in one-dimension. This allow us to improve on the known estimates of best constants in Lieb-Thirring inequalities for the sum of the negative…

偏微分方程分析 · 数学 2011-11-10 Jean Dolbeault , Ari Laptev , Michael Loss

Improved estimates on the constants $L_{\gamma,d}$, for $1/2<\gamma<3/2$, $d\in N$ in the inequalities for the eigenvalue moments of Schr\"{o}dinger operators are established.

数学物理 · 物理学 2009-10-31 D. Hundertmark , A. Laptev , T. Weidl

This paper has been withdrawn, because of an error in the proof of the main Theorem

偏微分方程分析 · 数学 2016-03-24 Luca Fanelli

We improve the Lieb-Thirring type inequalities by Demuth, Hansmann and Katriel (J. Funct. Anal. 2009) for Schr\"odinger operators with complex-valued potentials. Our result involves a positive, integrable function. We show that in the…

谱理论 · 数学 2021-11-09 Sabine Bögli

We show that the Lieb-Thirring inequalities on moments of negative eigenvalues of Schroedinger-like operators remain true, with possibly different constants, when the critical Hardy-weight $C|x|^{-2}$ is subtracted from the Laplace…

谱理论 · 数学 2008-08-27 Rupert L. Frank , Elliott H. Lieb , Robert Seiringer

In this paper we obtain sharp Lieb-Thirring inequalities for a Schr\"odinger operator on semi-axis with a matrix potential and show how they can be used to other related problems. Among them are spectral inequalities on star graphs and…

数学物理 · 物理学 2019-12-10 Pavel Exner , Ari Laptev , Muhammad Usman

In this paper we disprove part of a conjecture of Lieb and Thirring concerning the best constant in their eponymous inequality. We prove that the best Lieb-Thirring constant when the eigenvalues of a Schr\"odinger operator $-\Delta+V(x)$…

偏微分方程分析 · 数学 2021-06-02 Rupert L. Frank , David Gontier , Mathieu Lewin

This paper deals with the $L_p$-spectrum of Schr\"odinger operators on the hyperbolic plane. We establish Lieb-Thirring type inequalities for discrete eigenvalues and study their dependence on $p$. Some bounds on individual eigenvalues are…

谱理论 · 数学 2019-07-24 Marcel Hansmann