Group averaging for de Sitter free fields in terms of hyperspherical functions
arXiv:1002.3436 · doi:10.1007/s11232-010-0105-4
Abstract
We study the convergence of inner products of free fields over the homogeneous spaces of the de Sitter group and show that the convergence of inner products in the of -particle states is defined by the asymptotic behavior of hypergeometric functions. We calculate the inner product for two-particle states on the four-dimensional hyperboloid in detail.
arXiv comment10 pages
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