Lattice vibrational spectrum and possible existence of localized modes of the two-dimensional Penrose lattice


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/47087

Title:	Lattice vibrational spectrum and possible existence of localized modes of the two-dimensional Penrose lattice
Authors:	Nishiguchi, Norihiko Browse this author →KAKEN DB
Authors:	Sakuma, Tetsuro Browse this author
Issue Date:	15-Oct-1988
Publisher:	American Physical Society
Journal Title:	Physical Review B
Volume:	38
Issue:	11
Start Page:	7370
End Page:	7377
Publisher DOI:	10.1103/PhysRevB.38.7370
Abstract:	Lattice vibrations on two-dimensional Penrose lattices are investigated numerically. The resultant spectra exhibit several peaks similar to those of disordered systems. From the dependence of the vibrational phase difference and the distribution of the local elastic energy on the different boundary conditions, it is found that the lattice vibrations of this system seem to be isotropic and localized above a certain critical frequency. The spectral peaks are attributed to van Hove singularities and localization.
Rights:	© 1988 The American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/47087
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 西口規彦

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