TY - JOUR

T1 - Electron correlations and logarithmic singularities in density of states and conductivity of disordered two-dimensional systems

AU - Kaveh, M.

AU - Mott, N. F.

PY - 1981

Y1 - 1981

N2 - A simple method is developed for obtaining results from the interaction theory proposed by Altshuler and Aronov (1979). This method yields the logarithmic singularities in the density of states and the conductivity of disordered 2D metals, in agreement with the results of those authors. It produces also the T-1/2 behaviour for a disordered long wire. The correlation between the interaction theory, the localisation theory and experiment is discussed. In particular, it is pointed out that, at zero temperature and for materials for which the inverse screening length is much less than the Fermi wavevector KF, both theories yield the same conductivity. Both effects are probably present in inversion layers.

AB - A simple method is developed for obtaining results from the interaction theory proposed by Altshuler and Aronov (1979). This method yields the logarithmic singularities in the density of states and the conductivity of disordered 2D metals, in agreement with the results of those authors. It produces also the T-1/2 behaviour for a disordered long wire. The correlation between the interaction theory, the localisation theory and experiment is discussed. In particular, it is pointed out that, at zero temperature and for materials for which the inverse screening length is much less than the Fermi wavevector KF, both theories yield the same conductivity. Both effects are probably present in inversion layers.

UR - http://www.scopus.com/inward/record.url?scp=0344610142&partnerID=8YFLogxK

U2 - 10.1088/0022-3719/14/8/004

DO - 10.1088/0022-3719/14/8/004

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:0344610142

SN - 0022-3719

VL - 14

SP - L183-L190

JO - Journal of Physics C: Solid State Physics

JF - Journal of Physics C: Solid State Physics

IS - 8

M1 - 004

ER -