A theoretical approach is generalized and employed to calculate the magneto-resistivity of a rare-earth crystalline (CeAh) with degenerate ground crystal-field (CF) level in the presence of external fields. The ca...A theoretical approach is generalized and employed to calculate the magneto-resistivity of a rare-earth crystalline (CeAh) with degenerate ground crystal-field (CF) level in the presence of external fields. The calculated results show that when a magnetic field is applied in the c-direction, the magneto-resistivity may be reduced by more than 90% in certain cases in comparison with the pure CF contribution at the same temperature, demonstrating the strong effects of the degeneracy removals of the CF levels on the magnetic resistivity.展开更多
文摘A theoretical approach is generalized and employed to calculate the magneto-resistivity of a rare-earth crystalline (CeAh) with degenerate ground crystal-field (CF) level in the presence of external fields. The calculated results show that when a magnetic field is applied in the c-direction, the magneto-resistivity may be reduced by more than 90% in certain cases in comparison with the pure CF contribution at the same temperature, demonstrating the strong effects of the degeneracy removals of the CF levels on the magnetic resistivity.