Journal
BULLETIN OF MATERIALS SCIENCE
Volume 43, Issue 1, Pages -Publisher
INDIAN ACAD SCIENCES
DOI: 10.1007/s12034-020-02283-4
Keywords
Anderson localization; phonons; disordered solids; mobility edges
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We investigate the effect of spatially correlated disorder on the Anderson transition of phonons in three dimensions using a Green's function-based approach, namely, the typical medium dynamical cluster approximation, in mass-disordered systems. We numerically demonstrate that correlated disorder with pairwise correlations mitigates the localization of the vibrational modes. A correlation-driven localization-delocalization transition can emerge in a three-dimensional disordered system with an increase in the strength of correlations.
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