  The discontinuity of guiding-center Hall viscosity (a bulk property) at edges
of incompressible quantum Hall fluids is associated with the presence of an
intrinsic electric dipole moment on the edge. If there is a gradient of drift
velocity due to a non-uniform electric field, the discontinuity in the induced
stress is exactly balanced by the electric force on the dipole. The total Hall
viscosity has two distinct contributions: a "trivial" contribution associated
with the geometry of the Landau orbits, and a non-trivial contribution
associated with guiding-center correlations.
  We describe a relation between the guiding-center edge-dipole moment and
"momentum polarization", which relates the guiding-center part of the bulk Hall
viscosity to the "orbital entanglement spectrum(OES)". We observe that using
the computationally-more-onerous "real-space entanglement spectrum (RES)" just
adds the trivial Landau-orbit contribution to the guiding-center part. This
shows that all the non-trivial information is completely contained in the OES,
which also exposes a fundamental topological quantity $\gamma$ = $\tilde
c-\nu$, the difference between the "chiral stress-energy anomaly" (or signed
conformal anomaly) and the chiral charge anomaly. This quantity characterizes
correlated fractional quantum Hall fluids, and vanishes in uncorrelated integer
quantum Hall fluids.
