New procedure for evaluating a large number of continued-fraction parameters in periodic structures
- 15 July 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 38 (3) , 2154-2157
- https://doi.org/10.1103/physrevb.38.2154
Abstract
A new, very efficient procedure is provided for obtaining a large number of continued-fraction parameters for the Green’s function in translationally invariant systems. This is achieved by successive applications of the recursion method to different regions in k space. The well-known problems connected with computer-memory limitations are thus definitively overcome.Keywords
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