Author/Authors :
Zhou، نويسنده , , Y.M. and Gao، نويسنده , , K.H. and Yu، نويسنده , , G. and Zhou، نويسنده , , W.Z. and Lin، نويسنده , , T. and Guo، نويسنده , , S.L. and Chu، نويسنده , , J.H. and Dai، نويسنده , , N.، نويسنده ,
Abstract :
We study the parabolic negative magnetoresistivity in a gated In0.53Ga0.47As/InP quantum well structure where the scattering potential is predominantly long range. This magnetoresistivity is caused by the electron–electron interactions and is fitted to estimate the interaction corrections to the Drude conductivity. These corrections are smaller than the prediction of a recent theory [I.V. Gornyi, A.D. Mirlin, Phys. Rev. Lett. 90 (2003) 076801], and can be quantitatively described by Altshuler’s theory.
Keywords :
D. Magnetoresistivity , D. Two-dimensional electron gas , D. Electron–electron interactions , A. Quantum well
