phase
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11—20 of 187 matching pages
11: 33.11 Asymptotic Expansions for Large
12: 4.8 Identities
13: 12.9 Asymptotic Expansions for Large Variable
14: 15.6 Integral Representations
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15.6.1
; .
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15.6.2
; , .
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►In (15.6.3) the point lies outside the integration contour, the contour cuts the real axis between and , at which point and .
►In (15.6.4) the point lies outside the integration contour, and at the point where the contour cuts the negative real axis and .
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►At the starting point and are zero.
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15: 10.37 Inequalities; Monotonicity
16: 10.42 Zeros
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►The distribution of the zeros of in the sector in the cases is obtained on rotating Figures 10.21.2, 10.21.4, 10.21.6, respectively, through an angle so that in each case the cut lies along the positive imaginary axis.
The zeros in the sector are their conjugates.
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has no zeros in the sector ; this result remains true when is replaced by any real number .
For the number of zeros of in the sector , when is real, see Watson (1944, pp. 511–513).
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17: 33.13 Complex Variable and Parameters
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►The quantities , , and , given by (33.2.6), (33.2.10), and (33.4.1), respectively, must be defined consistently so that
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33.13.1
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18: 33.2 Definitions and Basic Properties
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33.2.10
►the branch of the phase in (33.2.10) being zero when and continuous elsewhere.
is the Coulomb phase shift.
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►Also, are analytic functions of when .
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19: 11.6 Asymptotic Expansions
20: 4.2 Definitions
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►For see §1.9(i).
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►For example, with the definition (4.2.5) the identity (4.8.7) is valid only when , but with the closed definition the identity (4.8.7) is valid when .
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►The general value of the phase is given by
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►where for the principal value of , and is unrestricted in the general case.
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