Phys. Rev. Lett. 93, 143903 (2004) [4 pages]Field Inside a Random Distribution of Parallel DipolesReceived 4 May 2004; published 27 September 2004 We determine the probability distribution for the field inside a random distribution of electric or magnetic dipoles. Although the average contribution from any spherical shell around the probe position vanishes, at the center of a spherical distribution of parallel dipoles, the Levy stable distribution of the field is symmetric around a nonvanishing field amplitude. Omission of contributions from a small volume around the probe leads to a field distribution with a vanishing mean, which, in the limit of vanishing excluded volume, converges to the shifted distribution. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.143903
DOI:
10.1103/PhysRevLett.93.143903
PACS:
41.20.–q, 02.50.Ng, 05.40.Fb
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