AUTHOR=Krejčiřík David , Siegl Petr 

TITLE=Pseudomodes of Schrödinger operators

JOURNAL=Frontiers in Physics

VOLUME=12

YEAR=2024

URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2024.1479658

DOI=10.3389/fphy.2024.1479658

ISSN=2296-424X

ABSTRACT=<p>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.</p>