Focusing of high-frequency dispersive phonons


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/5969

Title:	Focusing of high-frequency dispersive phonons
Authors:	Tamura, S.¹ Browse this author →KAKEN DB
Authors(alt):	田村, 信一朗¹
Issue Date:	15-Jan-1982
Publisher:	American Physical Society
Journal Title:	Physical Review B
Volume:	25
Issue:	2
Start Page:	1415
End Page:	1418
Publisher DOI:	10.1103/PhysRevB.25.1415
Abstract:	Focusing of near-zone-edge acoustic phonons in Ge is studied based on the dynamical matrix of lattice derived by Herman. We find that the focusing behaviors of transverse phonons in the dispersive region are remarkably different from those in the long-wavelength limit and well account for a number of substantial features of the ballistic-phonon images at about 1 THz observed recently by Dietsche et al.
Rights:	Copyright © 1982 American Physical Society
Relation:	http://www.aps.org/
Type:	article (author version)
URI:	http://hdl.handle.net/2115/5969
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: 田村信一朗

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