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The chirality of exceptional points

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Abstract:

Exceptional points are singularities of the spectrum and wave functions of a Hamiltonian which occur as functions of a complex interaction parameter. They are accessible in experiments with dissipative systems. We show that the wave function at an exceptional point is a specific superposition of two configurations. The phase relation between the configurations is equivalent to a chirality which should be detectable in an experiment.

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Authors and Affiliations

  1. Department of Physics, University of the Witwatersrand, P.O. Wits 2050, Johannesburg, South Africa, , , , , , ZA

    W.D. Heiss

  2. Max-Planck-Institut für Kernphysik, 69029 Heidelberg, Germany, , , , , , DE

    H.L. Harney

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  1. W.D. Heiss
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  2. H.L. Harney
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Received 9 April 2001 and Received in final form 19 July 2001

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Heiss, W., Harney, H. The chirality of exceptional points. Eur. Phys. J. D 17, 149–151 (2001). https://doi.org/10.1007/s100530170017

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  • DOI: https://doi.org/10.1007/s100530170017

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