Robust localized zero-energy modes from locally embedded <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="script">PT</mml:mi></mml:math>-symmetric defects
Fatemeh Mostafavi, C. Yüce, Omar S. Magaña‐Loaiza, Henning Schomerus, Hamidreza Ramezani
Abstract
This work provides an approach to creating localized zero-energy states inside a lattice by insertion of a PT-symmetric defect with local gain and loss values that exceed the gain and loss value required by the exceptional point.
Topics & Concepts
Zero (linguistics)Zero-point energyEnergy (signal processing)Point (geometry)PhysicsAlgorithmMathematicsMathematical analysisQuantum mechanicsGeometryLinguisticsPhilosophyQuantum Mechanics and Non-Hermitian PhysicsTopological Materials and PhenomenaMechanical and Optical Resonators