Exact calculation of the anomalous dimension of the diffusion coefficient for a model of a random walk in a random potential

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Exact calculation of the anomalous dimension of the diffusion coefficient for a model of a random walk in a random potential. / Honkonen, J.; Pis’mak, Yu M.

In: Journal of Physics A: Mathematical and General, Vol. 22, No. 18, 21.09.1989, p. L899-L905.

Research output: Contribution to journal › Letter › peer-review

BibTeX

@article{dce2ab49a0714b85bfec3b76684f3d3e,

title = "Exact calculation of the anomalous dimension of the diffusion coefficient for a model of a random walk in a random potential",

abstract = "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.",

author = "J. Honkonen and Pis{\textquoteright}mak, {Yu M.}",

year = "1989",

month = sep,

day = "21",

doi = "10.1088/0305-4470/22/18/010",

language = "English",

volume = "22",

pages = "L899--L905",

journal = "Journal of Physics A: Mathematical and Theoretical",

issn = "1751-8113",

publisher = "IOP Publishing Ltd.",

number = "18",

}

RIS

TY - JOUR

T1 - Exact calculation of the anomalous dimension of the diffusion coefficient for a model of a random walk in a random potential

AU - Honkonen, J.

AU - Pis’mak, Yu M.

PY - 1989/9/21

Y1 - 1989/9/21

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=0342930729&partnerID=8YFLogxK

U2 - 10.1088/0305-4470/22/18/010

DO - 10.1088/0305-4470/22/18/010

M3 - Letter

AN - SCOPUS:0342930729

VL - 22

SP - L899-L905

JO - Journal of Physics A: Mathematical and Theoretical

JF - Journal of Physics A: Mathematical and Theoretical

SN - 1751-8113

IS - 18

ER -

ID: 41388814