Comment on ``Experimental Separation of Geometric and Dynamical Phases Using Neutron Interferometry"
Bhandari, Rajendra
Original · EN
We analyse a recently reported neutron interference experiment to measure a geometric phase and attempt to bring out the inadequacy of the ``phase modulo 2π" approach to the geometric phase. A modified neutron interferometer experiment to observe 2nπphase changes of topological origin resulting from closed circuits around singularities in the parameter space of the experiment is proposed.
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