We calculate asymmetric neutrino absorption and scattering cross sections on hot and dense magnetized neutron-star matter including hyperons in fully relativistic mean field theory .
The absorption/scattering cross sections are suppressed/enhanced incoherently in the direction of the magnetic field { \bf B } = B { \hat { z } } .
The asymmetry is 2–4 % at the matter density \rho _ { 0 } \leq \rho _ { B } \leq 3 \rho _ { 0 } and temperature T \leq 40 MeV for B = 2 \times 10 ^ { 17 } G. This asymmetry is comparable to the effects owing to parity violation or asymmetric magnetic field topology proposed for the origin of pulsar kicks .