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WANG, CL; WANG, WZ; GU, GL; SU, ZB; YU, L; WANG, CL , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
LOCALIZED EXCITATIONS IN COMPETING BOND-ORDER-WAVE, CHARGE-DENSITY-WAVE AND SPIN-DENSITY-WAVE SYSTEMS
Source PublicationMOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
KeywordMetal-complexes Model Relaxation
AbstractThe localized excitations in the competing bond-order-wave(BOW), charge-density-wave(CDW), and spin-density-wave(SDW) systems are investigated within the Bogoliubov-de Gennes formalism using an extended Peierls-Hubbard model. An extensive study of localized excitations over a wide range of the on-site e-ph coupling lambda(2) and the Hubbard interaction U leads to the following observations: (a) As lambda(2) increases at fixed U, the number of bound states inside the gap changes from two to four for the STE case and from two to three for the polaron case. (b) A non-monotonic dependence of the lattice relaxation energy on lambda(2) is predicted within the lattice relaxation approach developed by two of us earlier, and is attributed to a crossover from the weak-coupling to strong-coupling behavior showing up as the emergence of new bound states inside the gap. Moreover, the non-radiative transition rate of STE is also calculated and is used to tentatively interpret the very short life-time of STE in PtCl complexes.
1994
ISSN1058-725X
Volume256Issue:*Pages:903-908
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/11969
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWANG, CL , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
WANG, CL,WANG, WZ,GU, GL,et al. LOCALIZED EXCITATIONS IN COMPETING BOND-ORDER-WAVE, CHARGE-DENSITY-WAVE AND SPIN-DENSITY-WAVE SYSTEMS[J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,1994,256(*):903-908.
APA WANG, CL,WANG, WZ,GU, GL,SU, ZB,YU, L,&WANG, CL , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1994).LOCALIZED EXCITATIONS IN COMPETING BOND-ORDER-WAVE, CHARGE-DENSITY-WAVE AND SPIN-DENSITY-WAVE SYSTEMS.MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,256(*),903-908.
MLA WANG, CL,et al."LOCALIZED EXCITATIONS IN COMPETING BOND-ORDER-WAVE, CHARGE-DENSITY-WAVE AND SPIN-DENSITY-WAVE SYSTEMS".MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS 256.*(1994):903-908.
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