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arxiv: 0905.0194 · v2 · submitted 2009-05-02 · 🧮 math.QA · math-ph· math.MP

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Coherent State on SUq(2) Homogeneous Space

N. Aizawa , R. Chakrabarti
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classification 🧮 math.QA math-phmath.MP
keywords coherentstateshomogeneousspacecomplexallowapplicationcalculus
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The generalized coherent states for quantum groups introduced by Jurco and Stovicek are studied for the simplest example SU_q(2) in full detail. It is shown that the normalized SU_q(2) coherent states enjoy the property of completeness, and allow a resolution of the unity. This feature is expected to play a key role in application of these coherent states in physical models. The homogeneous space of SU_q(2), i.e. the q-sphere of Podles, is reproduced in complex coordinates by using the coherent states. Differential calculus in the complex form on the homogeneous space is developed. High spin limit of the SU_q(2) coherent states is also discussed.

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