Observation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="script">P</mml:mi><mml:mi mathvariant="script">T</mml:mi></mml:math>-Symmetry Breaking in Complex Optical Potentials

R. Guo, A.; J. Salamo, Gregory; Duchesne, D.; Morandotti, Roberto; Volatier-Ravat, M.; Aimez, Vincent; A. Siviloglou, Georgios; N. Christodoulides, Demetrios

doi:10.1103/physrevlett.103.093902

Public

Observation ofPT-Symmetry Breaking in Complex Optical Potentials

Published in Physical Review Letters • Aug 27, 2009

Authors:

A. R. Guo

Gregory J. Salamo

D. Duchesne

Abstract

In 1998, Bender and Boettcher found that a wide class of Hamiltonians, even though non-Hermitian, can still exhibit entirely real spectra provided that they obey parity-time requirements or PT symmetry. Here we demonstrate experimentally passive PT-symmetry breaking within the realm of optics. This ...

Subject

Hermitian matrix

Physics

Symmetry (geometry)

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