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Publication
Physical Review B
Paper
Weak localization in normal-metal loops: Influence of boundary conditions
Abstract
The theory of weak localization is discussed for the case of a normal-metal loop with symmetric side arms for boundary conditions under realistic experimental situations. The magnitude of h/2e oscillations in magnetoresistance is quite sensitive to the experimental geometry, as was pointed out by Douçot and Rammal. In the case of a short wire, with a loop outside the voltage and current leads at one end, a changing magnetic field modifies the boundary condition at the end of the wire periodically to give h/2e oscillations in the magnetoresistance of the wire. © 1989 The American Physical Society.