CLUSTER APPROACH FOR QUASI-CRYSTALS

被引：63

作者：

JEONG, HC

STEINHARDT, PJ

机构：

[1] Department of Physics, University of Pennsylvania, Philadelphia

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.73.1943

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a ''cluster picture'' to explain the structure and formation of quasicrystals. Quasicrystal ordering is attributed to a small set of low-energy atomic clusters which determine the state of minimum free energy. The nature of the ground state as T --> 0, depending upon the clusters and cluster energies, ranges from energetically stable and unique (as in Penrose tilings), to entropically stable and degenerate (as in random tilings).

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页码：1943 / 1946

页数：4

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