ON THE NATURE OF EIGENSTATES OF QUASI-PERIODIC LATTICES IN ONE DIMENSION

被引:25
作者
CHAKRABARTI, A [1 ]
KARMAKAR, SN [1 ]
MOITRA, RK [1 ]
机构
[1] SCOTTISH CHURCH COLL,DEPT PHYS,CALCUTTA 700006,INDIA
关键词
D O I
10.1016/0375-9601(92)91136-F
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We re-examine the conventional idea of determining the nature of the electronic eigenfunctions (extended, critical or localised) of a Fibonacci lattice from a study of the invariant associated with the trace map. We demonstrate that this is insufficient, and a more detailed study of the renormalisation group transformation itself is required to ascertain the nature of the eigenfunctions. Suitable examples are provided.
引用
收藏
页码:301 / 304
页数:4
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