Influences of the coordinate dependent noncommutative space on charged and spin currents

29 May 2018  ·  Ren Ya-Jie, Ma Kai ·

We study the charged and spin currents on a coordinate dependent noncommutative space. Starting from the noncommutative extended relativistic equation of motion, the non-relativistic approximation is obtained by using the Foldy-Wouthuysen transformation, and then the charged and spin currents are derived by using the extended Drude model. We find that the charged current is twisted by modifying the off-diagonal elements of the Hall conductivity, however, the spin current is not affected up to leading order of the noncommutative parameter.

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General Physics High Energy Physics - Theory