Simple mechanism that breaks the Hall effect linearity at low temperatures
A. Yu. Kuntsevich,
A. V. Shupletsov,
A. L. Rakhmanov
Abstract:Hall resistance R xy is commonly suggested to be linear-in-magnetic-field B, provided the field is small. We argue here that at low temperatures this linearity is broken due to weak localization/antilocalization phenomena in inhomogeneous systems, while in a uniform medium these effects do not effect the linear field dependence of R xy (B). We calculate the Hall resistance for different two-component media using a mean-field approach and show that this non-linearity is experimentally observable.
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