›› 2012, Vol. 31 ›› Issue (5): 21-21.

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The symmetric local vibration mode induced by an impurity atom in a diatomic linear chain with on-site potential

  

  • Online:2012-05-25 Published:2012-05-20

Abstract: The lattice vibration equations of a diatomic chain with an impurity atom and on-site potential are solved.The analytic solutions of local vibration are obtained.The basic features of the effect of on-site potential on the local vibration are given,and the existence forms of symmetric localized mode are also discussed.

Key words: impurity, on-site potential, localized mode

CLC Number: 

  • O481