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Effect of the Charge-Dipole Interaction on the Coagulation of Fractal Aggregates

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dc.contributor.author Matthews, Lorin
dc.contributor.author Hyde, Truell
dc.identifier.citation IEEE Transactions on Plasma Science, 32(2), 586-593, 2004 en
dc.identifier.uri http://hdl.handle.net/2104/8001
dc.description.abstract A numerical model with broad applications to complex (dusty) plasmas is presented. The self-consistent N-body code allows simulation of the coagulation of fractal aggregates, including the charge-dipole interaction of the clusters due to the spatial arrangement of charge on the aggregate. It is shown that not only does a population of oppositely charged particles increase the coagulation rate, the inclusion of the charge-dipole interaction of the aggregates as well as the electric dipole potential of the dust ensemble decreases the gelation time by a factor of up to 20. It is further shown that these interactions can also stimulate the onset of gelation, or "runaway growth," even in a population of particles charged to a monopotential where previously it was believed that like-charged grains would inhibit coagulation. Gelation is observed to occur due to the formation of high-mass aggregates with fractal dimensions greater than two, which act as seeds for runaway growth. en
dc.publisher IEEE Transactions on Plasma Science en
dc.title Effect of the Charge-Dipole Interaction on the Coagulation of Fractal Aggregates en
dc.type Article en
dc.identifier.doi 10.1109/TPS.2004.826107
dc.description.keywords coagulation en
dc.description.keywords dusty plasma en
dc.description.keywords fractals en
dc.description.keywords plasma simulation en
dc.description.keywords complex plasma en


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