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Physical Review B
Volumn 51, Issue 13, 1995, Pages 8676-8679
Photoemission spectra of Sr2CuO2Cl2: A theoretical analysis
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EID: 0000929854     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.51.8676     Document Type: Article
Times cited : (169)
References (27)
  • 17
    • 3042982244 scopus 로고
    • have also noted the benefits of including a t′ hopping in attempts at fitting the ARPES data via LDA calculations (private communication). Also see, D., C. Mattis, and J., M. Wheatley, (unpublished) and A., V. Chubukov, and K., A. Musaelian, for dispersion relations found from the t-t′-U model.
    • (1995) J. Phys. Condens. Matter , vol.7 , pp. 1333
    • Anderson, O.K.1
  • 18
    • 3342922278 scopus 로고
    • Recently, new ideas proposed for the cuprates [, ] allow rough calculations of the superconducting critical temperature given the hole dispersion and assuming attraction between pairs caused by antiferromagnetism [see also, 40, 9162, ]. Applying this formalism with the dispersion obtained from the t-t′-J model with t′=-0.35t, a d-wave superconductor with a critical temperature Tc∼40 K is obtained. This is in excellent agreement with the measured Tc in Sr2CuO2F2+δ as reported in, B. Shraiman, E. Siggia, Phys. Rev. B, M. Al-Mamouri, P. P. Edwards, C. Greaves, M. Slaski, Nature, 369, 382, giving more support to the ideas described in this paper.
    • (1989) Phys. Rev. Lett. , vol.74 , pp. 310
    • Dagotto, E.1    Nazarenko, A.2    Moreo, A.3
  • 24
    • 84927864082 scopus 로고    scopus 로고
    • The values of the parameters used in Ref. 16 were based on preliminary estimates for three-band Hubbard model parameters. In what follows we use what are believed to be better estimates—e.g., these parameters properly reproduce the Cu-Cu superexchange to be 0.128 eV.

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