Modified Interferometer to Measure Anyonic Braiding Statistics

Steven A. Kivelson; Chaitanya Murthy

doi:10.1103/x4w5-h3bb

Modified Interferometer to Measure Anyonic Braiding Statistics

Steven A. Kivelson¹ and Chaitanya Murthy ^2,1

¹Department of Physics, Stanford University, Stanford, California 94305, USA
²Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA

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Phys. Rev. Lett. 135, 126605 – Published 16 September, 2025

DOI: https://doi.org/10.1103/x4w5-h3bb

Abstract

Existing quantum Hall interferometers measure twice the braiding phase, $e^{i 2 θ}$ , of Abelian anyons, i.e., the phase accrued when one quasiparticle encircles another clockwise. We propose a modified Fabry-Pérot or Mach-Zehnder interferometer that can measure $e^{i θ}$ .

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Modified Interferometer to Measure Anyonic Braiding Statistics

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Modified Interferometer to Measure Anyonic Braiding Statistics

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