Mukunda, N. ; Arvind, ; Chaturvedi, S. ; Simon, R. (2003) Generalized coherent states and the diagonal representation for operators Journal of Mathematical Physics, 44 (6). pp. 2479-2506. ISSN 0022-2488
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Official URL: http://jmp.aip.org/resource/1/jmapaq/v44/i6/p2479_...
Related URL: http://dx.doi.org/10.1063/1.1559416
Abstract
We consider the problem of existence of the diagonal representation for operators in the space of a family of generalized coherent states associated with a unitary irreducible representation of a (compact) Lie group. We show that necessary and sufficient conditions for the possibility of such a representation can be obtained by combining Clebsch-Gordan theory and the reciprocity theorem associated with induced unitary group representations. Applications to several examples involving SU(2), SU(3), and the Heisenberg-Weyl group are presented, showing that there are simple examples of generalized coherent states which do not meet these conditions. Our results are relevant for phase-space description of quantum mechanics and quantum state reconstruction problems.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Institute of Physics. |
ID Code: | 25325 |
Deposited On: | 06 Dec 2010 13:34 |
Last Modified: | 17 May 2016 08:49 |
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