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Band structure of phononic crystal constructed by Fibonacci super-cell on square lattice

Hao Guo-Jun Fu Xiu-Jun Hou Zhi-Lin

Band structure of phononic crystal constructed by Fibonacci super-cell on square lattice

Hao Guo-Jun, Fu Xiu-Jun, Hou Zhi-Lin
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  • Received Date:  03 March 2009
  • Accepted Date:  09 April 2009
  • Published Online:  20 December 2009

Band structure of phononic crystal constructed by Fibonacci super-cell on square lattice

  • 1. 华南理工大学物理系,广州 510640

Abstract: Using the plane-wave expansion method, we study the band structure of a phononic crystal with water rods embedded in mercury to form a super-cell according to the two-dimensional Fibonacci array. It is found that each band splits into three sub-bands with the change of quasilattice constants and there exist intermediate states, which reflect the peculiar properties of quasiperiodic systems.

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