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Date: 29-9-2018
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Date: 10-6-2019
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Date: 25-5-2019
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(1) |
where is a Bessel function of the first kind and
is a Bessel function of the second kind. Hankel functions of the second kind is implemented in the Wolfram Language as HankelH2[n, z].
Hankel functions of the second kind can be represented as a contour integral using
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(2) |
The derivative of is given by
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(3) |
The plots above show the structure of in the complex plane.
REFERENCES:
Arfken, G. "Hankel Functions." §11.4 in Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, pp. 604-610, 1985.
Morse, P. M. and Feshbach, H. Methods of Theoretical Physics, Part I. New York: McGraw-Hill, pp. 623-624, 1953.
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