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1. Identity statement
Reference TypeJournal Article
Sitemtc-m16c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier6qtX3pFwXQZGivnK3Y/Uztps
Repositorysid.inpe.br/mtc-m18@80/2008/06.26.13.47   (restricted access)
Last Update2008:06.26.13.47.12 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m18@80/2008/06.26.13.47.14
Metadata Last Update2018:06.04.04.05.16 (UTC) administrator
Secondary KeyINPE--PRE/
DOI10.1016/j.physc.2007.12.002
ISSN0921-4534
Citation KeyTewariKish:2008:InThSi
TitleInfluence of three site exchange interaction on the electronic spectra of doped bilayer high Tc cuprates
Year2008
MonthFeb.
Access Date2024, Apr. 28
Secondary TypePRE PI
Number of Files1
Size282 KiB
2. Context
Author1 Tewari, B. S.
2 Ajay
3 Kishore, Ram
Resume Identifier1
2
3 8JMKD3MGP5W/3C9JJ55
Group1
2
3 LAS-CTE-INPE-MCT-BR
Affiliation1 Department of Physics, G.B.Pant University of Agriculture and Technology
2 Department of Physics, G.B.Pant University of Agriculture and Technology
3 Instituto Nacional de Pesquisas Espaciais (INPE)
JournalPhysica C: Superconductivity and Its Applications
Volume468
Number3
Pages237-243
History (UTC)2008-06-26 13:47:14 :: simone -> banon ::
2008-11-06 18:47:21 :: banon -> administrator ::
2018-06-04 04:05:16 :: administrator -> marciana :: 2008
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
KeywordsElectronic spectra of bilayer cuprates
Extended t–J–J3 model
Strong electronic correlations
Three site exchange interaction (J3)
AbstractThe influence of the three site exchange term (J3) on electronic spectral function A(k, ù) and density of states (DOS) is analyzed in doped bilayer high Tc cuprates in the normal state. The model Hamiltonian is based on the extended tJJ3 model as derived from the Hubbard model under strong coupling limit so that it necessarily includes three site exchange term (J3). For the bilayer cuprates having two CuO2 planes in a unit cell, the coupling between the planes (t) is also included. The expressions of A(k, ù) and DOS are obtained by employing the Greens function equation of motion technique within two sublattice approach and approximations applicable for strongly correlated systems. On the basis of numerical computation, we have found that three site exchange term (J3) affects the shape of the spectral function A(k, ù) and the DOS in optimal doped region of bilayer cuprates. The J3 term suppresses the bilayer splitting in the electronic spectra while enhances the DOS at Fermi level. The results are viewed in terms of recent ARPES measurement in bilayer cuprate in normal state.
AreaFISMAT
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAS > Influence of three...
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4. Conditions of access and use
Languageen
Target Fileinfluence.pdf
User Groupadministrator
banon
simone
Visibilityshown
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Read Permissiondeny from all and allow from 150.163
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ESR3H2
DisseminationWEBSCI; PORTALCAPES.
Host Collectionsid.inpe.br/mtc-m18@80/2008/03.17.15.17
6. Notes
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