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Lookup NU author(s): Dr James Waldron
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We present an operationally motivated treatment of quantum reference frames in the setting that the frame is a covariant positive operator valued measure (POVM) on a finite homogeneous space, generalising the principal homogeneous spaces studied in previous work. We focus on the case that the reference observable is the canonical covariant projection valued measure on the given space, and show that this gives rise to a rank-one covariant POVM on the group, which can be seen as a system of coherent states, thereby making contact with recent work in the perspective-neutral approach to quantum reference frames.
Author(s): Glowacki J, Loveridge L, Waldron J
Publication type: Article
Publication status: In Press
Journal: International Journal of Theoretical Physics
Year: 2024
Acceptance date: 16/04/2024
ISSN (print): 0020-7748
ISSN (electronic): 1572-9575
Publisher: Springer New York LLC
