Density correlations in paper

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We present an analysis of areal mass density correlations in paper. Using β radiography, the local mass density of laboratory paper sheets has been measured. The real space density autocorrelation function calculated from the data reveals a nontrivial power law type of correlations with the decay exponent being roughly independent of the basis weight of the sheets. However, for low densities we find that correlations may extend at least an order of magnitude beyond the fiber length, whereas for heavier paper they quickly die out.
Original languageEnglish
Pages (from-to)R36-R38
JournalPhysical Review E
Issue number1
Publication statusPublished - 1996
MoE publication typeA1 Journal article-refereed


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