Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 20, Issue 7, Pages 1341-1361Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/20/7/307
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The stationary phase technique is used to calculate asymptotic formulae for SO(4) relativistic spin networks. For the tetrahedral spin network this gives the square of the Ponzano-Regge asymptotic formula for the SU(2) 6j-symbol. For the 4-simplex (10j-symbol) the asymptotic formula is compared with numerical calculations of the spin network evaluation. Finally, we discuss the asymptotics of the SO(3, 1) 10j-symbol.
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