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Phys. Rev. Lett. 65, 2442–2445 (1990)

Conductance fluctuations in the ballistic regime: A probe of quantum chaos?

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Rodolfo A. Jalabert, Harold U. Baranger, and A. Douglas Stone
Applied Physics, Yale University, P. O. Box 2157, New Haven, Connecticut 06520
AT&T Bell Laboratories, Holmdel, New Jersey 07733

Received 26 June 1990; published in the issue dated 5 November 1990

We demonstrate the existence of resistance fluctuations in experimentally realizable ballistic conductors due to scattering from geometric features. The magnetic-field and energy correlation functions are calculated both semiclassically and exactly numerically, and are found to have a scale determined by the underlying chaotic classical scattering. These systems provide a test of the ‘‘random’’ quantum behavior of classically chaotic systems.

© 1990 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.65.2442
DOI:
10.1103/PhysRevLett.65.2442
PACS:
72.20.Dp, 05.45.+b, 72.20.My, 73.20.Dx