Exchange-Driven Growth with Birth Rate Less Than Death |
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Authors: | LIN Zhen-Quan KE Jian-Hong YE Gao-Xiang |
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Affiliation: | 1. Department of Physics, Zhejiang University, Hangzhou 310027, China;2. Department of Physics, Wenzhou Normal College, Wenzhou 325027, China |
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Abstract: | We further study the kinetic behavior of the exchange-drivengrowth with birth and death for the case of birth rate kernelbeing less than that of death based on the mean-field theory. Thesymmetric exchange rate kernel is K(k,j)=K'(k,j)=Ikjυ,and the birth and death rates are proportional to the aggregate'ssize. The long time asymptotic behavior of the aggregate sizedistribution a_k(t) is found to obey a much unusual scaling lawwith an exponentially growing scaling function Φ(x)=exp(x). |
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Keywords: | aggregation exchange-driven growth birth and death |
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