Features in Quasi—particle Excitations and Tunnelling Spectra due to Coupling to Spin Fluctuations in High—Tc Cuprates-中国Betway体育网页登陆

摘要 Inaself-consistentmean-fieldtreatmentofthetwo-dimensionalt-t'-Jmodel,wetheoreticallyexaminethecouplingofin-planequasi-particlestotheantiferromagneticspinfluctuationsinhigh-Tcsuperconductors,whichrenormalizesthefermionicself-energy.Wereproducethecharacteristicpeak-dip-humpstructureobservednotonlyinangly-resolvedphotoemissionspectroscopy,butalsoinsuperconductor-insulator-normalmetalunctionsandscanningtunnellingmicroscopyexperiments.Weconsidertheevolutionofthisstructurewithdoping.Itisshownthatthiskindofcouplingcanaccountformanyanomalouspropertiesofhigh-Tcsuperconductorsinsuperconductingstates.

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Features in Quasi—particle Excitations and Tunnelling Spectra due to Coupling to Spin Fluctuations in High—Tc Cuprates

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