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- W2007386207 abstract "We investigate one-dimensional equations for the diffusion with a nonconstant diffusion coefficient inside the second derivative and between the derivatives. In particular, we employ the diffusion coefficient D(x) proportional to /x/(-theta)(theta in R) and a quartic potential. These diffusion equations present a rich variety of behaviors associated with different regimes. Results of two approaches are analyzed and compared. We also investigate the mean first passage time of these systems. We show that the system with the coefficient D(x) between the derivatives can produce different behaviors for the mean first passage time in comparison with those obtained by the system with the coefficient inside the derivatives." @default.
- W2007386207 created "2016-06-24" @default.
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- W2007386207 date "2003-06-10" @default.
- W2007386207 modified "2023-10-01" @default.
- W2007386207 title "Power law diffusion coefficient and anomalous diffusion: Analysis of solutions and first passage time" @default.
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- W2007386207 doi "https://doi.org/10.1103/physreve.67.061105" @default.
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