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    HU CHENG-ZHENG, DING DI-HUA, YANG WEN-GE. EXPRESSION OF THE ELASTIC ENERGY IN TWO-DIMENSIONAL QUASICRYSTALSJ. Chin. Phys. B, 1993, 2(1): 42-47.
    HU CHENG-ZHENG, DING DI-HUA, YANG WEN-GE. EXPRESSION OF THE ELASTIC ENERGY IN TWO-DIMENSIONAL QUASICRYSTALSJ. Chin. Phys. B, 1993, 2(1): 42-47.
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    • EXPRESSION OF THE ELASTIC ENERGY IN TWO-DIMENSIONAL QUASICRYSTALS

      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.
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