On the RKKY range function of a one dimensional non interacting electron gas
arXiv:cond-mat/0504641 · doi:10.1103/PhysRevB.72.033411
Abstract
We show that the pitfalls encountered in earlier calculations of the RKKY range function for a non interacting one dimensional electron gas at zero temperature can be unraveled and successfully dealt with through a proper handling of the impurity potential.
to appear in Phys. Rev