Geometry-driven shift in the Tomonaga-Luttinger exponent of deformed cylinders


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/38684

Title:	Geometry-driven shift in the Tomonaga-Luttinger exponent of deformed cylinders
Authors:	Shima, Hiroyuki Browse this author →KAKEN DB
	Yoshioka, Hideo Browse this author
	Onoe, Jun Browse this author
Keywords:	electronic density of states
	Luttinger liquid
	perturbation theory
Issue Date:	May-2009
Publisher:	American Physical Society
Journal Title:	Physical Review B
Volume:	79
Issue:	20
Start Page:	201401
Publisher DOI:	10.1103/PhysRevB.79.201401
Abstract:	We demonstrate the effects of geometric perturbation on the Tomonaga-Luttinger liquid (TLL) states in a long, thin, and hollow cylinder whose radius varies periodically. The variation in the surface curvature inherent to the system gives rise to a significant increase in the power-law exponent of the single- particle density of states. The increase in the TLL exponent is caused by a curvature-induced potential that attracts low-energy electrons to region that has large curvature.
Rights:	© 2009 The American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/38684
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: 島弘幸

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