Evolution of quantum entanglement with disorder in fractional quantum Hall liquids
Evolution of quantum entanglement with disorder in fractional quantum Hall liquids
We present a detailed study of the ground-state entanglement in disordered fractional quantum Hall liquids. We consider electrons at various filling fractions $f$ in the lowest Landau level, with Coulomb interactions. At $f=1/3,1/5$ and $2/5$ where an incompressible ground-state manifold exists at zero disorder, we observe a pronounced minimum in …