Phys. Rev. Lett. 68, 843–846 (1992)Flux-sensitive correlations of mutually incoherent quantum channelsReceived 19 August 1991; published in the issue dated 10 February 1992 A two-particle state can be sensitive to a magnetic flux through exchange even if it is composed of single-particle states which on the average are statistically uncorrelated and exhibit no direct interference. Consequently, two-particle observables can be sensitive to a flux even if all single-particle observables are flux insensitive. We investigate exchange effects in current cross correlations of small conductors subject to a magnetic field. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.68.843
DOI:
10.1103/PhysRevLett.68.843
PACS:
72.10.Bg, 05.30.-d, 73.50.Td
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