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A Geometrical Characteristic of the Mixing Effect Induced by Non-Abelian Berry's Phase
Progress of theoretical physics
A geometrical characteristic of the mixing effect induced by the non-Abelian Berry's phase appearing in a nuclear quadrupole system (I = 3/2) rotating about two axes is examined by using the rotating frame formulation. We show that the geometry-dependent parts of the mixing effect appear in the magnitude of the probability amplitude of the spin states and the rate of non-trivial mixing among these states after one period of motion of the system. These values depend only on the geometricaldoi:10.1143/ptp.101.473 fatcat:goheb3flcrcivjdy4sy2wdyuhq