Research output: Contribution to journal › Letter › peer-review
Renormalisation of a model of classical diffusion in a random potential is analysed. It is shown that at two dimensions the one-loop expression for the anomalous dimension of the diffusion coefficient is perturbatively exact leading to the couplingdependent value 1/v = 2 + g/4π of the exponent v.
Original language | English |
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Pages (from-to) | L899-L905 |
Journal | Journal of Physics A: Mathematical and General |
Volume | 22 |
Issue number | 18 |
DOIs | |
State | Published - 21 Sep 1989 |
ID: 41388814