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Li, YM; dAmbrumenil, N; Yu, L; Su, ZB; Li, YM , UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND.
Analytical results for a hole in an antiferromagnet
Source PublicationPHYSICAL REVIEW B
Keyword2-dimensional Quantum Antiferromagnet T-j Model Single-hole Spectral-function Hubbard Antiferromagnet Dynamic Properties Motion State
AbstractThe Green's function for a hole moving in an antiferromagnet is derived analytically in the long-wavelength limit. We find that the infrared divergence is eliminated in two and higher dimensions so that the quasiparticle weight is finite. Our results also suggest that the hole motion is polaronic in nature with a bandwidth proportional to t(2)/J exp[-c(t/J)(2)] (c is a constant) for J/t greater than or equal to 0.5. The connection of the long-wavelength approximation to the first-order approximation in the cumulant expansion is also clarified.
1996
ISSN0163-1829
Volume53Issue:22Pages:14717-14720
Subject AreaPhysics
Indexed BySCI
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12628
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, YM , UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND.
Recommended Citation
GB/T 7714
Li, YM,dAmbrumenil, N,Yu, L,et al. Analytical results for a hole in an antiferromagnet[J]. PHYSICAL REVIEW B,1996,53(22):14717-14720.
APA Li, YM,dAmbrumenil, N,Yu, L,Su, ZB,&Li, YM , UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND..(1996).Analytical results for a hole in an antiferromagnet.PHYSICAL REVIEW B,53(22),14717-14720.
MLA Li, YM,et al."Analytical results for a hole in an antiferromagnet".PHYSICAL REVIEW B 53.22(1996):14717-14720.
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