BROWSE

Related Scientist

Researcher

유정완
복잡계 이론물리 연구단
more info

Antiresonance induced by symmetry-broken contacts in quasi-one-dimensional lattices

Cited 1 time in webofscience Cited 0 time in scopus
265 Viewed 70 Downloaded
Title
Antiresonance induced by symmetry-broken contacts in quasi-one-dimensional lattices
Author(s)
Jung-Wan Ryu; Nojoon Myoung; Hee Chul Park
Publication Date
2017-09
Journal
PHYSICAL REVIEW B, v.96, no.12, pp.125421 -
Publisher
AMER PHYSICAL SOC
Abstract
We report the effect of symmetry-broken contacts on quantum transport in quasi-one-dimensional lattices. In contrast to one-dimensional (1D) chains, transport in quasi-one-dimensional lattices, which are made up of a finite number of 1D chain layers, is strongly influenced by contacts. Contact symmetry depends on whether the contacts maintain or break the parity symmetry between the layers. With balanced on-site potential, a flatband can be detected by asymmetric contacts, but not by symmetric contacts. In the case of asymmetric contacts with imbalanced on-site potential, transmission is suppressed at certain energies. We elucidate these energies of transmission suppression related to antiresonance using reduced lattice models and Feynman paths. These results provide a nondestructive measurement of flatband energy, which is difficult to detect. © 2017 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/3819
DOI
10.1103/PhysRevB.96.125421
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
Files in This Item:
PhysRevB.96.125421.pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse