Semianalytical calculation of the Rouse dynamics of randomly branched polymers
1999; American Physical Society; Volume: 60; Issue: 3 Linguagem: Inglês
10.1103/physreve.60.2994
ISSN1538-4519
Autores Tópico(s)Theoretical and Computational Physics
ResumoWe present a semianalytical approach to the determination of the dynamic properties of randomly branched polymers under the Rouse approximation. The principal procedure is based on examining an eigenvalue spectrum which represents the average dynamic behavior of various structures. The calculated spectra show that the eigenvalue distribution is random even within a single structure, which in turn produces a continuous spectrum of values for the entire class. The autocorrelation function for the square of the radius of gyration was calculated based on these spectra, which confirms that the dynamics are nonexponential as earlier reported. A universal stretched exponent is also found in this study.
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