UNIVERSAL INCOMMENSURATE STRUCTURES

被引:5
作者
JACOBS, AE
MUKAMEL, D
机构
[1] WEIZMANN INST SCI,DEPT PHYS,IL-76100 REHOVOT,ISRAEL
[2] UNIV TORONTO,SCARBOROUGH COLL,TORONTO M5S 1A7,ONTARIO,CANADA
关键词
incommensurate systems; instabilities; phase transitions; Universal structures;
D O I
10.1007/BF01112759
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Certain phase transitions in quasiperiodic systems are characterized by universal structures. In these cases the functional form of the order parameter corresponding to the modulated phase, P(r), is determined by the symmetry properties of the system and is independent of the details of the associated Landau-Ginzburg model. Here we consider a simple one-dimensional XY-like model corresponding to this type of phase transition. The universal modulated structure of this model is calculated numerically at various points along the critical line. © 1990 Plenum Publishing Corporation.
引用
收藏
页码:503 / 510
页数:8
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