Equivalence of Two Approaches to the Random Chain of Oscillators
- 15 February 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 7 (4) , 1727-1730
- https://doi.org/10.1103/physrevb.7.1727
Abstract
The spectrum and localization length of certain one-dimensional disordered systems can be found either by a node-counting technique, or by a recently proposed Green's-function method. We prove here the mathematical equivalence of the two approaches.Keywords
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