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11: 34.10 Zeros
§34.10 Zeros
►In a symbol, if the three angular momenta do not satisfy the triangle conditions (34.2.1), or if the projective quantum numbers do not satisfy (34.2.3), then the symbol is zero. Similarly the symbol (34.4.1) vanishes when the triangle conditions are not satisfied by any of the four symbols in the summation. …However, the and symbols may vanish for certain combinations of the angular momenta and projective quantum numbers even when the triangle conditions are fulfilled. …12: 34.8 Approximations for Large Parameters
§34.8 Approximations for Large Parameters
►For large values of the parameters in the , , and symbols, different asymptotic forms are obtained depending on which parameters are large. … ►
34.8.1
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►Uniform approximations in terms of Airy functions for the and symbols are given in Schulten and Gordon (1975b).
For approximations for the , , and symbols with error bounds see Flude (1998), Chen et al. (1999), and Watson (1999): these references also cite earlier work.
13: 22.9 Cyclic Identities
14: 3 Numerical Methods
Chapter 3 Numerical Methods
…15: 4.43 Cubic Equations
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, , and , with , when .
, , and , with , when , , and .
, , and , with , when .
16: 34.14 Tables
§34.14 Tables
►Tables of exact values of the squares of the and symbols in which all parameters are are given in Rotenberg et al. (1959), together with a bibliography of earlier tables of , and symbols on pp. … ►Tables of and symbols in which all parameters are are given in Appel (1968) to 6D. …Other tabulations for symbols are listed on pp. … ►In Varshalovich et al. (1988) algebraic expressions for the Clebsch–Gordan coefficients with all parameters and numerical values for all parameters are given on pp. …17: 7.3 Graphics
18: 23.5 Special Lattices
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►Then and the parallelogram with vertices at , , , is a rectangle.
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►Also, and have opposite signs unless , in which event both are zero.
►As functions of , and are decreasing and is increasing.
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►The parallelogram , , , is a square, and
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►The parallelogram , , , , is a rhombus: see Figure 23.5.1.
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