OPTICAL AND ACOUSTIC BRANCHES IN THE VIBRATIONAL-SPECTRUM OF A DIATOMIC PENROSE LATTICE

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	OPTICAL AND ACOUSTIC BRANCHES IN THE VIBRATIONAL-SPECTRUM OF A DIATOMIC PENROSE LATTICE
	D. C. Tian; Z. Y. Liu; Q. Jiang; L. L. Wang
	1993
发表期刊	Chinese Physics Letters
ISSN	0256-307X
卷号	10 期号:10 页码:601-604
摘要	Vibrational densities of states for a diatomic Penrose lattice are calculated. They show apparently acoustic and optical branches. The acoustic branches appear smooth and continuous, while the optical branches are peakrich and have some small gaps. Detailed analysis shows that the density of states in the acoustic branches is attributed to the phonons and the fracton-like excitations and that in the optical branches due to some localized vibrational modes.
部门归属	acad sinica,int ctr mat phys,shenyang 110015,peoples r china. wuhan univ,ctr comp,wushan 430072,peoples r china.;tian, dc (reprint author), wuhan univ,dept phys,wushan 430072,peoples r china
关键词	Local Atomic Environment Tight-binding Bands Electronic-structure Quasi-crystal States
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/39125
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	D. C. Tian,Z. Y. Liu,Q. Jiang,et al. OPTICAL AND ACOUSTIC BRANCHES IN THE VIBRATIONAL-SPECTRUM OF A DIATOMIC PENROSE LATTICE[J]. Chinese Physics Letters,1993,10(10):601-604.
APA	D. C. Tian,Z. Y. Liu,Q. Jiang,&L. L. Wang.(1993).OPTICAL AND ACOUSTIC BRANCHES IN THE VIBRATIONAL-SPECTRUM OF A DIATOMIC PENROSE LATTICE.Chinese Physics Letters,10(10),601-604.
MLA	D. C. Tian,et al."OPTICAL AND ACOUSTIC BRANCHES IN THE VIBRATIONAL-SPECTRUM OF A DIATOMIC PENROSE LATTICE".Chinese Physics Letters 10.10(1993):601-604.