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Date: 19-9-2018
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Date: 14-8-2019
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Date: 26-7-2019
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The first Debye function is defined by
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(1) |
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(2) |
for ,
, and
are Bernoulli numbers. Particular values are given by
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(3) |
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(4) |
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(5) |
where is a polylogarithm and
is the Riemann zeta function. Abramowitz and Stegun (1972, p. 998) tabulate numerical values of
for
to 4 and
to 10.
The second Debye function is defined by
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(6) |
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(7) |
for and
.
The sum of these two integrals is
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(8) |
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(9) |
where is the Riemann zeta function.
REFERENCES:
Abramowitz, M. and Stegun, I. A. (Eds.). "Debye Functions." §27.1 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, p. 998, 1972.
Beattie, J. A. "Six-Place Tables of the Debye Energy and Specific Heat Functions." J. Math. Phys. 6, 1-32, 1926.
Grüneisen, E. "Die Abhängigkeit des elektrischen Widerstandes reiner Metalle von der Temperatur." Ann. Phys. 16, 530-540, 1933.
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