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Date: 9-10-2019
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Date: 30-3-2019
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Date: 20-8-2018
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The spherical Hankel function of the first kind is defined by
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(1) |
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(2) |
where is the Hankel function of the first kind and
and
are the spherical Bessel functions of the firstand second kinds.
It is implemented in the Wolfram Language as SphericalHankelH1[n, z].
Explicitly, the first few are
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(3) |
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(4) |
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(5) |
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(6) |
The derivative is given by
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(7) |
The plot above shows the real and imaginary parts of on the real axis for
, 1, ..., 5.
The plots above shows the real and imaginary parts of in the complex plane.
REFERENCES:
Abramowitz, M. and Stegun, I. A. (Eds.). "Spherical Bessel Functions." §10.1 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, pp. 437-442, 1972.
Arfken, G. Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, p. 623, 1985.
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