Non-cyclic Geometric Phase due to Spatial Evolution in a Neutron Interferometer

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dc.creatorFilipp, Stefan
dc.creatorHasegawa, Yuji
dc.creatorLoidl, Rudolf
dc.creatorRauch, Helmut
dc.date2004-12-06
dc.date2005-10-17
dc.date.accessioned2026-07-07T06:40:48Z
dc.date.available2026-07-07T06:40:48Z
dc.descriptionWe present a split-beam neutron interferometric experiment to test the non-cyclic geometric phase tied to the spatial evolution of the system: the subjacent two-dimensional Hilbert space is spanned by the two possible paths in the interferometer and the evolution of the state is controlled by phase shifters and absorbers. A related experiment was reported previously by Hasegawa et al. [Phys. Rev. A 53, 2486 (1996)] to verify the cyclic spatial geometric phase. The interpretation of this experiment, namely to ascribe a geometric phase to this particular state evolution, has met severe criticism from Wagh [Phys. Rev. A 59, 1715 (1999)]. The extension to a non-cyclic evolution manifests the correctness of the interpretation of the previous experiment by means of an explicit calculation of the non-cyclic geometric phase in terms of paths on the Bloch-sphere.
dc.description4 pages, revtex4
dc.identifierhttps://arxiv.org/abs/quant-ph/0412038
dc.identifierhttp://arxiv.org/abs/quant-ph/0412038
dc.identifierPhys. Rev. A 72, 021602(R) (2005)
dc.identifierdoi:10.1103/PhysRevA.72.021602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101493
dc.subjectQuantum Physics
dc.titleNon-cyclic Geometric Phase due to Spatial Evolution in a Neutron Interferometer
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