Berry Phase for Spins of Relativistic Electrons

I. Bialynicki-Birulaa, b, Z. Bialynicka-Birulab aCenter for Theoretical Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland bInstitute of Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland

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Berry phase is a very general concept. It is applied here to families of solutions of the Dirac equation with different values of spin. The value of the Berry phase in the spin space is given by the same expression as was found before in the momentum space.

DOI:10.12693/APhysPolA.138.335 topics: Berry phase, Dirac particle, electron spin