We generalize the typical medium dynamical cluster approximation and the local Blackman, Esterling, and Berk method for systems with off-diagonal disorder. Using our extended formalism we perform a systematic study of the effects of nonlocal disorder-induced correlations and off-diagonal disorder on the density of states and the mobility edge of the Anderson localized states. We apply our method to the three-dimensional Anderson model with configuration-dependent hopping and find fast convergence with modest cluster sizes. Our results are in good agreement with the data obtained using exact diagonalization and the transfer-matrix and kernel polynomial methods.
Publication Source (Journal or Book title)
Physical Review B - Condensed Matter and Materials Physics
Terletska, H., Ekuma, C., Moore, C., Tam, K., Moreno, J., & Jarrell, M. (2014). Study of off-diagonal disorder using the typical medium dynamical cluster approximation. Physical Review B - Condensed Matter and Materials Physics, 90 (9) https://doi.org/10.1103/PhysRevB.90.094208