Random-Mass Dirac Fermions in an Imaginary Vector Potential (II): Long-Range Correlated Random Mass

Details Random-Mass Dirac Fermions in an Imaginary Vector Potential (II): Long-Range Correlated Random Mass Random-Mass Dirac Fermions in an Imaginary Vector Potential (II): Long-Range Correlated Random Mass

2001-05-11

arxiv.org/abs/cond-mat/0105236v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

6 pages, 14 figures

Scientific paper

In the previous paper, we studied the random-mass Dirac fermion in one dimension by using the transfer-matrix methods and by introducing an imaginary vector potential in order to calculate the localization lengths. Especially we considered effects of the nonlocal but short-range correlations of the random mass. In this paper, we shall study effects of the long-range correlations of the random mass especially on the delocalization transition. The results depend on how randomness is introduced in the Dirac mass.

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