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Phys. Rev. B 71, 132504 (2005) [4 pages]

Angular magnetoresistance oscillations in organic conductors

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A. G. Lebed1,3, Heon-Ick Ha2, and M. J. Naughton2
1Department of Physics, University of Arizona, 1118 East 4th Street, Tucson, Arizona 85721, USA
2Department of Physics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, Massachusetts 02467, USA
3Landau Institute for Theoretical Physics, 2 Kosygina Street, Moscow, Russia

Received 12 November 2004; published 21 April 2005

We demonstrate that electron wave functions change their dimensionality at some commensurate directions of a magnetic field in conductors with open [quasi-one-dimensional (Q1D)] sheets of Fermi surface. These 1D→2D dimensional crossovers lead to delocalization of wave functions and are responsible for angular magnetoresistance oscillations. As an example, we show that suggested theory is in qualitative and quantitative agreement with the recent experimental data obtained on (TMTSF)2ClO4 conductor.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.71.132504
DOI:
10.1103/PhysRevB.71.132504
PACS:
74.70.Kn, 72.15.Gd