  We consider the effects of an external magnetic field on rotating fermions in
1+2,3 dimensions. The dual effect of a rotation parallel to the magnetic field
causes a net increase in the fermionic density by centrifugation, which follows
from the sinking of the particle lowest Landau level in the Dirac sea for free
Dirac fermions. In 1+d = 2n dimensions, this effect is related to the chiral
magnetic effect in 2n-2 dimensions. This phenomenon is discussed specifically
for both weak and strong inter-fermion interactions in 1+2 dimensions. For QCD
in 1+3 dimensions with Dirac quarks, we show that in the strongly coupled phase
with spontaneously broken chiral symmetry, this mechanism reveals itself in the
form of an induced pion condensation by centrifugation. We use this observation
to show that this effect causes a shift in the chiral condensate in leading
order, and to discuss the possibility for the formation of a novel pion
super-fluid phase in present heavy ion collisions at collider energies.
