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Title: Non-local corrections to the typical medium theory of Anderson localization

Journal Article · · Annals of Physics
 [1]; ORCiD logo [1];  [2];  [3];  [4]; ORCiD logo [5];  [6]; ORCiD logo [7]; ORCiD logo [2]
  1. Middle Tennessee State Univ., Murfreesboro, TN (United States)
  2. Louisiana State Univ., Baton Rouge, LA (United States)
  3. Chinese Academy of Sciences (CAS), Beijing (China)
  4. Carnegie Mellon Univ., Pittsburgh, PA (United States)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore (India)
  7. Univ. of Ausburg (Germany)

We use the recently developed finite cluster typical medium approach to study the Anderson localization transition in three dimensions. Applying our method to the box and binary alloy disorder distributions, we find a fast convergence with the cluster size. We demonstrate the importance of the typical medium environment and the non-local spatial correlations for the proper characterization of the localization transition. As the cluster size increases, our typical medium cluster method recovers the correct critical disorder strength for the transition. Our findings highlight the importance of the non-local cluster corrections for capturing the localization behavior of the mobility edge trajectories. Our results demonstrate that the typical medium cluster approach developed here provides a consistent and systematic description of the Anderson localization transition in the framework of the effective medium embedding schemes.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1844838
Alternate ID(s):
OSTI ID: 1835171
Journal Information:
Annals of Physics, Vol. 435, Issue 1; ISSN 0003-4916
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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