Abstract
We have measured the non-cyclic geometric phase acquired during a unitary SU(2) evolution of a neutron spinor wave function for the mixed state case. The data is in good agreement with theory, verifying the predicted values for the mixed state geometric phase.
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Sponar, S., Klepp, J., Hasegawa, Y. et al. Non-cyclic geometric phases in mixed state neutron polarimetry. Acta Phys. Hung. B 26, 165–171 (2006). https://doi.org/10.1556/APH.26.2006.1-2.19
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DOI: https://doi.org/10.1556/APH.26.2006.1-2.19