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Phys. Rev. Lett. 91, 196803 (2003) [4 pages]

Revisiting the Hanbury Brown–Twiss Setup for Fractional Statistics

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Smitha Vishveshwara
Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801-3080

Received 12 May 2003; published 7 November 2003

The Hanbury Brown–Twiss experiment has proved to be an effective means of probing statistics of particles. Here, in a setup involving edge-state quasiparticles in a fractional quantum Hall system, we show that a variant of the experiment composed of two sources and two sinks can be used to unearth fractional statistics. We find a clearcut signature of the statistics in the equal-time current-current correlation function for quasiparticle currents emerging from the two sources and collected at the sinks.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.196803
DOI:
10.1103/PhysRevLett.91.196803
PACS:
73.43.Jn, 71.10.Pm