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COMMENT

Asymptotic expansion of the Keesom integral

Paul C Abbott 2007 J. Phys. A: Math. Theor. 40 8599-8600   doi: 10.1088/1751-8113/40/29/N01  Help

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Paul C Abbott
School of Physics, M013, The University of Western Australia, Crawley 6009, Australia
E-mail: paul@physics.uwa.edu.au

Abstract. The asymptotic evaluation and expansion of the Keesom integral, K(a), is discussed at some length in Battezzati and Magnasco (2004 J. Phys. A: Math. Gen. 37 9677; 2005 J. Phys. A: Math. Gen. 38 6715). Here, using standard identities, it is shown that this triple integral can be reduced to a single integral from which the asymptotic behaviour is readily obtained using Laplace's method.

PACS number: 31.15.−p

Print publication: Issue 29 (20 July 2007)
Received 15 March 2007, in final form 4 June 2007
Published 3 July 2007

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