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POLARON EXCITATION IN TRANSPOLYACETYLENE - EFFECTS OF THE 2ND-NEAREST NEIGHBOR HOPPING INTERACTIONS
LI, ZJ; AN, Z; YAO, KL
Corresponding AuthorLI, ZJ()
1995-02-01
Source PublicationJOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
ISSN0031-9015
Volume64Issue:2Pages:513-517
AbstractWe have studied the energy spectra of polaron and the localized vibrational modes around a polaron in the weakly coupled electron-phonon systems by using an extension of SSH model that includes the second-nearest neighbor hopping interactions. The results show that (1) The electron-hole symmetry of the energy band structure is broken and the energy gap 2 Delta is slightly increased. (2) The number of localized electronic states and their location are changed as in the soliton case. (3) For a negative polaron, eight localized modes have been found, compared with seven in the previous results. (4) The energy spectra of polaron and the localized modes are related to the types of polarons by turning on the second-neighbor hopping interactions.
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:A1995QH74400030
PublisherPHYSICAL SOC JAPAN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82039
Corresponding AuthorLI, ZJ
AffiliationCHINESE ACAD SINICA, INT CTR MAT PHYS, SHENYANG 110013, PEOPLES R CHINA
Recommended Citation
GB/T 7714
LI, ZJ,AN, Z,YAO, KL. POLARON EXCITATION IN TRANSPOLYACETYLENE - EFFECTS OF THE 2ND-NEAREST NEIGHBOR HOPPING INTERACTIONS[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,1995,64(2):513-517.
APA LI, ZJ,AN, Z,&YAO, KL.(1995).POLARON EXCITATION IN TRANSPOLYACETYLENE - EFFECTS OF THE 2ND-NEAREST NEIGHBOR HOPPING INTERACTIONS.JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,64(2),513-517.
MLA LI, ZJ,et al."POLARON EXCITATION IN TRANSPOLYACETYLENE - EFFECTS OF THE 2ND-NEAREST NEIGHBOR HOPPING INTERACTIONS".JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 64.2(1995):513-517.
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