Pseudomodes of Schrödinger operators

David Krejčiřík; Petr Siegl

doi:10.3389/fphy.2024.1479658

Frontiers in Physics (Oct 2024)

Pseudomodes of Schrödinger operators

David Krejčiřík,
Petr Siegl

Affiliations

David Krejčiřík: Department of Mathematics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czechia
Petr Siegl: Institute of Applied Mathematics, Graz University of Technology, Graz, Austria

DOI: https://doi.org/10.3389/fphy.2024.1479658
Journal volume & issue: Vol. 12

Abstract

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Pseudomodes of non-self-adjoint Schrödinger operators corresponding to large pseudoeigenvalues are constructed. The approach is non-semiclassical and extendable to other types of models including the damped wave equation and Dirac operators.

Published in Frontiers in Physics

ISSN: 2296-424X (Online)
Publisher: Frontiers Media S.A.
Country of publisher: Switzerland
LCC subjects: Science: Physics
Website: https://www.frontiersin.org/journals/physics

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