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Related papers: Lieb-Thirring inequalities on the spheres and $SO(…

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In this paper, we obtain bounds for the best constants in two inequalities which can be seen as analogues of the Lieb-Thirring inequality, but with the Dirac operator, on the $n-$sphere. We then apply these results in order to improve the…

Spectral Theory · Mathematics 2026-02-12 Uwe Kähler , André Pedroso Kowacs , Michael Ruzhansky

We prove on the sphere $\mathbb{S}^2$ the Lieb--Thirring inequalities for orthonormal families of scalar and vector functions both on the whole sphere and on proper domains on $\mathbb{S}^2$. By way of applications we obtain an explicit…

Analysis of PDEs · Mathematics 2018-04-26 Alexei Ilyin , Ari Laptev

We prove Lieb-Thirring inequalities with improved constants on the two-dimensional sphere and the two-dimensional torus. In the one-dimensional periodic case we obtain a simultaneous bound for the negative trace and the number of negative…

Spectral Theory · Mathematics 2011-04-14 Alexei A. Ilyin

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.

Mathematical Physics · Physics 2009-10-31 D. Hundertmark , A. Laptev , T. Weidl

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.

Mathematical Physics · Physics 2024-01-31 Rupert L. Frank , Dirk Hundertmark , Michal Jex , Phan Thành Nam

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.

Mathematical Physics · Physics 2007-05-23 Elliott H. Lieb

We prove on the 2D sphere and on the 2D torus the Lieb-Thirring inequalities with improved constants for orthonormal families of scalar and vector functions.

Analysis of PDEs · Mathematics 2020-09-02 Alexei Ilyin , Ari Laptev , Sergey Zelik

In this paper, we mainly study the Lieb-Thirring inequality for families of orthonormal scalar functions on the four-dimensional sphere $ \mathbb{S}^{4} $ and torus $ \mathbb{T}^{4} $. The bounds of all the constants involved are obtained.…

Classical Analysis and ODEs · Mathematics 2022-09-19 Shihang Pan

We derive Lieb-Thirring inequalities for the Riesz means of eigenvalues of order gamma >= 3/4 for fourth order Schr\"odinger operators in arbitrary dimensions. We also consider some extensions to polyharmonic operators, and to systems of…

Mathematical Physics · Physics 2007-05-23 Clemens Förster , Jörgen Östensson

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…

Analysis of PDEs · Mathematics 2011-11-10 Jean Dolbeault , Ari Laptev , Michael Loss

We give a short and unified proof of Hardy-Lieb-Thirring inequalities for moments of eigenvalues of fractional Schroedinger operators. The proof covers the optimal parameter range. It is based on a recent inequality by Solovej, Soerensen,…

Mathematical Physics · Physics 2011-09-05 Rupert L. Frank

We solve the open problem by Demuth, Hansmann, and Katriel announced in [Integr. Equ. Oper. Theory 75 (2013), 1-5] by a counter-example construction. The problem concerns a possible generalisation of the Lieb-Thirring inequality for…

Spectral Theory · Mathematics 2025-10-03 Sabine Bögli , Sukrid Petpradittha , František Štampach

We propose a general strategy to derive Lieb-Thirring inequalities for scale-covariant quantum many-body systems. As an application, we obtain a generalization of the Lieb-Thirring inequality to wave functions vanishing on the diagonal set…

Mathematical Physics · Physics 2020-05-12 Simon Larson , Douglas Lundholm , Phan Thành Nam

We consider the Lieb-Thirring inequalities on the d-dimensional torus with arbitrary periods. In the space of functions with zero average with respect to the shortest coordinate we prove the Lieb-Thirring inequalities for the…

Analysis of PDEs · Mathematics 2017-01-04 Alexei Ilyin , Ari Laptev

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…

Spectral Theory · Mathematics 2019-07-24 Marcel Hansmann

The Pauli operator describes the energy of a nonrelativistic quantum particle with spin 1/2 in a magnetic field and an external potential. A new Lieb-Thirring type inequality on the sum of the negative eigenvalues is presented. The main…

Mathematical Physics · Physics 2009-11-10 Laszlo Erdos , Jan Philip Solovej

In this short note we prove Lieb--Thirring inequalities on manifolds with negative constant curvature. The discrete spectrum appears below the continuous spectrum $(d-1)^2/4, \infty)$, where $d$ is the dimension of the hyperbolic space. As…

Differential Geometry · Mathematics 2023-07-18 Alexei Ilyin , Ari Laptev , Timon Weinmann

Inequalities are derived for power sums of the real part and the modulus of the eigenvalues of a Schr\"odinger operator with a complex-valued potential.

Mathematical Physics · Physics 2007-05-23 Rupert L. Frank , Ari Laptev , Elliott H. Lieb , Robert Seiringer

A logarithmic type Lieb-Thirring inequality for two-dimensional Schroedinger operators is established. The result is applied to prove spectral estimates on trapped modes in quantum layers.

Mathematical Physics · Physics 2010-09-24 Hynek Kovarik , Semjon Vugalter , Timo Weidl

We prove an analogue of the Lieb--Thirring inequality for many-body quantum systems with the kinetic operator $\sum_i (-\Delta_i)^s$ and the interaction potential of the form $\sum_i \delta_i^{-2s}$ where $\delta_i$ is the nearest-neighbor…

Mathematical Physics · Physics 2025-01-03 G. K. Duong , Phan Thành Nam
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