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Related papers: A simple approach to Lieb--Thirring type inequalit…

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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 paper, we obtain new upper bounds for the Lieb-Thirring inequality on the spheres of any dimension greater than $2$. As far as we have checked, our results improve previous results found in the literature for all dimensions greater…

Spectral Theory · Mathematics 2024-07-16 André Pedroso Kowacs , Michael Ruzhansky

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

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

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

Relativistic fermionic field theories constitute the fundamental description of all observable matter. The simplest of the models provide a useful, classically verifiable benchmark for noisy intermediate scale quantum computers. We…

Quantum Physics · Physics 2020-06-11 Chinmay Mishra , Shane Thompson , Raphael Pooser , George Siopsis

A new and elementary proof of a recent result of Laptev and Weidl is given. It is a sharp Lieb-Thirring inequality for one dimensional Schroedinger operators with matrix valued potentials.

Mathematical Physics · Physics 2007-05-23 Rafael Benguria , Michael Loss

We prove a Lieb-Oxford-type inequality on the indirect part of the Coulomb energy of a general many-particle quantum state, with a lower constant than the original statement but involving an additional gradient correction. The result is…

Mathematical Physics · Physics 2015-02-12 Mathieu Lewin , Elliott H. Lieb

To determine the sharp constants for the one dimensional Lieb--Thirring inequalities with exponent gamma in (1/2,3/2) is still an open problem. According to a conjecture by Lieb and Thirring the sharp constant for these exponents should be…

Mathematical Physics · Physics 2007-05-23 Rafael D. Benguria , Michael Loss

We investigate numerically the optimal constants in Lieb-Thirring inequalities by studying the associated maximization problem. We use a monotonic fixed-point algorithm and a finite element discretization to obtain trial potentials which…

Spectral Theory · Mathematics 2012-06-11 Antoine Levitt

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…

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

We give a proof of the Lieb-Thirring inequality in the critical case $d=1$, $\gamma= 1/2$, which yields the best possible constant.

Mathematical Physics · Physics 2008-11-26 Dirk Hundertmark , Elliott H. Lieb , Lawrence E. Thomas

We prove sharp Lieb-Thirring type inequalities for the eigenvalues of a class of one-dimensional functional difference operators associated to mirror curves. We furthermore prove that the bottom of the essential spectrum of these operators…

Functional Analysis · Mathematics 2021-12-07 Ari Laptev , Lukas Schimmer

We use a logarithmic Lieb-Thirring inequality for two-dimensional Schroedinger operators and establish estimates on trapped modes in geometrically deformed quantum layers.

Mathematical Physics · Physics 2010-05-05 Hynek Kovarik , Semjon Vugalter

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

In this paper we prove Lieb--Thirring inequalities for magnetic Schr\"odinger operators on the torus, where the constants in the inequalities depend on the magnetic flux.

Spectral Theory · Mathematics 2023-06-01 Alexei Ilyin , Ari Laptev

We prove upper and lower bounds on the ground-state energy of the ideal two-dimensional anyon gas. Our bounds are extensive in the particle number, as for fermions, and linear in the statistics parameter $\alpha$. The lower bounds extend to…

Mathematical Physics · Physics 2018-11-28 Douglas Lundholm , Robert Seiringer

The Lieb-Thirring inequalities give a bound on the negative eigenvalues of a Schr\"odinger operator in terms of an $L^p$ norm of the potential. This is dual to a bound on the $H^1$-norms of a system of orthonormal functions. Here we extend…

Mathematical Physics · Physics 2019-12-19 Rupert L. Frank , Mathieu Lewin , Elliott H. Lieb , Robert Seiringer

These classical inequalities allow one to estimate the number of negative eigenvalues and the sums $S_{\gamma}=\sum |\lambda_i|^{\gamma}$ for a wide class of Schr\"{o}dinger operators. We provide a detailed proof of these inequalities for…

Mathematical Physics · Physics 2016-04-04 S. Molchanov , B. Vainberg

We attempt to survey recent results and open problems connected to Lieb-Thirring inequalities.

Mathematical Physics · Physics 2020-07-21 Rupert L. Frank