Mathematics – Quantum Algebra
Scientific paper
2009-05-02
J. Phys. A:Math. Theor. 42 (2009) 295208
Mathematics
Quantum Algebra
21 pages, no figure, reference added, typo corrected
Scientific paper
10.1088/1751-8113/42/29/295208
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.
Aizawa Naruhiko
Chakrabarti Raj
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