Journal
PHYSICAL REVIEW B
Volume 90, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.90.094208
Keywords
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Funding
- DOE SciDAC Grant [DE-FC02-10ER25916]
- BES CMCSN Grant [DE-AC02-98CH10886]
- NSF EPSCoR [EPS-1003897]
- NSF Grant [OISE-0952300]
- National Science Foundation [ACI-1053575]
- Office Of The Director
- Office Of Internatl Science &Engineering [0952300] Funding Source: National Science Foundation
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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.
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