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Phys. Rev. Lett. 91, 187003 (2003) [4 pages]

Interference Commensurate Oscillations in Quasi-One-Dimensional Conductors

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A. G. Lebed1,2 and M. J. Naughton1
1Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA
2Landau Institute for Theoretical Physics, 2 Kosygina Street, 117334 Moscow, Russia

Received 25 February 2003; published 28 October 2003

We suggest an analytical theory to describe angular magnetoresistance oscillations recently discovered in the quasi-one-dimensional conductor (TMTSF)2PF6 [see Phys. Rev. B 57 7423 (1998)] and define the positions of the oscillation minima. The origin of these oscillations is related to interference effects resulting from Bragg reflections which occur as electrons move along quasiperiodic and periodic (“commensurate”) electron trajectories in the extended Brillouin zone. We reproduce via calculations existing experimental data and predict some novel effects.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.187003
DOI:
10.1103/PhysRevLett.91.187003
PACS:
74.70.Kn, 72.15.Gd