Finite-layer thickness stabilizes the Pfaffian state for the 5/2 fractional quantum Hall effect: wave function overlap and topological degeneracy.

@article{Peterson2008FinitelayerTS,
  title={Finite-layer thickness stabilizes the Pfaffian state for the 5/2 fractional quantum Hall effect: wave function overlap and topological degeneracy.},
  author={Michael R. Peterson and Th Jolicoeur and Sankar Das Sarma},
  journal={Physical review letters},
  year={2008},
  volume={101 1},
  pages={016807}
}
We find the finite width, i.e., the layer thickness, of experimental quasi-two-dimensional systems produces a physical environment sufficient to stabilize the Moore-Read Pfaffian state thought to describe the fractional quantum Hall effect at filling factor nu=5/2. This conclusion is based on exact calculations performed in the spherical and torus… CONTINUE READING