Exceptional points in oligomer chains

Charles Andrew Downing; Vasil Arkadievich Saroka

doi:10.1038/s42005-021-00757-3

Communications Physics (Dec 2021)

Exceptional points in oligomer chains

Charles Andrew Downing,
Vasil Arkadievich Saroka

Affiliations

Charles Andrew Downing: Department of Physics and Astronomy, University of Exeter
Vasil Arkadievich Saroka: Center for Quantum Spintronics, Department of Physics, Norwegian University of Science and Technology

DOI: https://doi.org/10.1038/s42005-021-00757-3
Journal volume & issue: Vol. 4, no. 1
pp. 1 – 9

Abstract

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Open quantum systems governed by non-Hermitian dynamics provide a platform to explore PT symmetric phases. Here, a general theory is derived to describe the location of exceptional points in a 1D oligomer chain of arbitrary length.

Published in Communications Physics

ISSN: 2399-3650 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Astronomy: Astrophysics; Science: Physics
Website: https://www.nature.com/commsphys/

About the journal