T. Matsuura, K. Miura, Y. Ono, D. Hirashima, Y. Kuroda
{"title":"Electronic states in the Cu-oxide superconductors","authors":"T. Matsuura, K. Miura, Y. Ono, D. Hirashima, Y. Kuroda","doi":"10.1143/PTPS.106.51","DOIUrl":null,"url":null,"abstract":"The d-p model with the local constraint has been studied. With help of the slave boson and 1/N-expansion the electronic states are investigated. At T<T 0 (coherence temperature) a new band (mid-gap state) appears in the CT gap which behaves as the Fermi liquid with the large Fermi surface. Luttinger sum rule is proved. At T 0 ≤T≤ω 0 (resonance temperature) the mid-gap state behaves as the marginal Fermi liquid. At T≥ω 0 such renormalized band collapses. These occur as the crossover phenomena in contrast to the phase transition in the mean field approximation","PeriodicalId":20614,"journal":{"name":"Progress of Theoretical Physics Supplement","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2013-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress of Theoretical Physics Supplement","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1143/PTPS.106.51","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The d-p model with the local constraint has been studied. With help of the slave boson and 1/N-expansion the electronic states are investigated. At T
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