EFFECTS OF NEXT-NEIGHBOR HOPPING INTERACTIONS ON THE ELECTRONIC BOUND STATES AND LOCALIZED MODES AROUND A SOLITON IN TRANS-(CH)x | Zendy

Zhong An | Zendy; Zhanjie Li | Zendy; Yao Kai-Lun | Zendy

Open Access

EFFECTS OF NEXT-NEIGHBOR HOPPING INTERACTIONS ON THE ELECTRONIC BOUND STATES AND LOCALIZED MODES AROUND A SOLITON IN TRANS-(CH)x

Author(s) -

Zhong An,

Zhanjie Li,

Yao Kai-Lun

Publication year - 1993

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.42.1532

Subject(s) - physics , bound state , soliton , condensed matter physics , upper and lower bounds , k nearest neighbors algorithm , quantum mechanics , nonlinear system , mathematical analysis , mathematics , artificial intelligence , computer science

We have studied electronic bound states and the localized modes around the soliton after turning on the next-neighbor hopping interaction, based on SSH model. The results show that (1) the electronhole symmetry of the energy band structure implied by SSH model is broken ; (2) the number and location of the bound states trapped by the soliton have changed; (3) a new localized mode have been found; (4)the frequencies of modes have shifted and their localization are strengthened.

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