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Acta Physica Sinica (Overseas Edition), 1993, Vol. 2(1): 42-47    DOI: 10.1088/1004-423X/2/1/006
CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES Prev   Next  

EXPRESSION OF THE ELASTIC ENERGY IN TWO-DIMENSIONAL QUASICRYSTALS

HU CHENG-ZHENG (胡承正), DING DI-HUA (丁棣华), YANG WEN-GE (杨文革)
Department of Physics, Wuhan University, Wuhan 430072, China
Abstract  The application of group theory to elasticity in two-dimensional (2D) quasicrystals is presented. The expression of elastic energy as a function of gradients of the phonon and phason fields has been derived to quadratic order. The phonon response to an external stress is isotropic, but the response of phason field is anisotropic for eightfold and twelvefold symmetries.
Received:  30 January 1992      Accepted manuscript online: 
PACS:  61.44.Br (Quasicrystals)  
  62.20.D- (Elasticity)  
  63.20.-e (Phonons in crystal lattices)  
Fund: Project supported by the National Natural Science Foundation of China.

Cite this article: 

HU CHENG-ZHENG (胡承正), DING DI-HUA (丁棣华), YANG WEN-GE (杨文革) EXPRESSION OF THE ELASTIC ENERGY IN TWO-DIMENSIONAL QUASICRYSTALS 1993 Acta Physica Sinica (Overseas Edition) 2 42

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