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Titolo:
PROPAGATION OF QUASI-PARTICLES ON A DIMERIZED CHAIN
Autore:
YAN WX; LI DM; LIU WS; ZHAO XG;
Indirizzi:
SHANGXI UNIV,DEPT PHYS TAIYUAN 030006 PEOPLES R CHINA SHANGXI UNIV,DEPT PHYS TAIYUAN 030006 PEOPLES R CHINA ACAD SINICA,INST THEORET PHYS BEIJING 100080 PEOPLES R CHINA
Titolo Testata:
Physica. B, Condensed matter
fascicolo: 4, volume: 212, anno: 1995,
pagine: 404 - 410
SICI:
0921-4526(1995)212:4<404:POQOAD>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
LINEAR-CHAIN; ONE IMPURITY; COHERENT MOTION; EXCITONS; FIELD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
W.X. Yan et al., "PROPAGATION OF QUASI-PARTICLES ON A DIMERIZED CHAIN", Physica. B, Condensed matter, 212(4), 1995, pp. 404-410

Abstract

The problem of propagation for quasiparticles on a dimerized chain which is modeled by alternating site energies and intersite interactionsis investigated. Exact solutions for the propagators, the mean polarization and mean-square displacement are obtained, from which the role of the site-energy mismatch and hopping disturbance on the behavior ofthe moving particle can be clearly seen. It is demonstrated that the increase of the site-energy mismatch and the hopping disturbance will lead to the enhancement of the localization.

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Documento generato il 25/11/20 alle ore 04:26:42