Professor Toshiki Tajima Receives the 2018 Subrahmanyan Chandrasekhar Prize of Plasma Physics
The Division of Plasma Physics annually selects an outstanding plasma physicist for the S. Chandrasekhar Prize of Plasma Physics.
Orbital Crossing with Spin Flip Found in Noncentrosymmetric Metals
Abstract
In noncentrosymmetric metals, the antisymmetric spin orbit interaction resolves spin degeneracy of electronic bands and therefore a Fermi surface splits into two pieces. In the metals belonging to a certain point group, however, the spin degeneracy recovers at the special symmetry points. Here, we found the orbital crossing phenomenon in which a carrier transfers from one split Fermi surface to the other one at a degenerate point. We further estimated the probability of crossing the orbital and revealed that the estimation allows us to judge the occurrence of spin flip at the degenerate point.
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