Weak antilocalization of ultrarelativistic fermions

Details Weak antilocalization of ultrarelativistic fermions Weak antilocalization of ultrarelativistic fermions

2005-05-18

arxiv.org/abs/physics/0505124v2

Physics Letters A 344, 127 (2005)

Physics

Optics

5 pages, 3 figures, to appear in Physics Letters A

Scientific paper

10.1016/j.physleta.2005.06.062

The paper discusses the Berry phase influence on the weak localization phenomenon at the adiabatic backscattering of ultrarelativistic particles in a random medium. We demonstrate that bosons that pass along a certain closed path in opposite directions come back always in phase (an example: the backscattering enhancement of electromagnetic waves), whereas fermions come exactly in antiphase. This produces a "complete weak antilocalization" of ultrarelativistic fermions: the backscattering field intensity vanishes.

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