3D Anderson transition for two electrons in 2D

D. L. Shepelyansky (CNRS; France); Toulouse

3D Anderson transition for two electrons in 2D

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arxiv cond-mat/9902246 v1 pith:T7TBLNB5 submitted 1999-02-17 cond-mat

D. L. Shepelyansky (CNRS , Toulouse , France) This is my paper · ORCID

classification cond-mat

keywords andersonelectrontransitioncorrespondscoulombdelocalizationdensitydimensions

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It is shown that the Coulomb interaction can lead to delocalization of two electron states in two-dimensional (2D) disordered potential in a way similar to the Anderson transition in three dimensions (3D). At fixed disorder strength the localized phase corresponds to low electron density and large value of parameter r_s.

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In the Fock space of two interacting particles in a 1D disordered chain, random potentials alone give correlated disorder and a fluctuation exponent of 1/2, while random long-range interactions decorrelate the disorde...

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