 |
 |
 |  |  |
(1)
|
 |  |  |
(2)
|
where 
is the dilogarithm.
Spence's Function
See also
Dilogarithm, Rogers L-Function, Spence's IntegralExplore with Wolfram|Alpha
References
Berestetskii, V. B.; Lifschitz, E. M.; and Pitaevskii, L. P. Quantum Electrodynamics, 2nd ed. Oxford, England: Pergamon Press, p. 596, 1982.Referenced on Wolfram|Alpha
Spence's FunctionCite this as:
Weisstein, Eric W. "Spence's Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SpencesFunction.html