Indirect forces between impurities in one-dimensional quantum liquids

@article{Waechter2007IndirectFB,
  title={Indirect forces between impurities in one-dimensional quantum liquids},
  author={P. Waechter and V. Meden and K. Schoenhammer},
  journal={Physical Review B},
  year={2007},
  volume={76},
  pages={045123}
}
We investigate the indirect interaction between two isolated impurities in a Luttinger liquid described by a microscopic lattice model. To treat the electron-electron interaction $U$, the functional renormalization group method is used. For comparison, we also study the $U=0$ case. We find that for a wide range of impurity parameters the impurity interaction ${V}_{12}$ as a function of their separation $r$ oscillates with decaying amplitude between being attractive and repulsive. For half… Expand

References

SHOWING 1-3 OF 3 REFERENCES
Many-particle physics
Quantum Many-Particle Systems