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Physical Review B
Volumn 46, Issue 17, 1992, Pages 11224-11227
Thermodynamics of the gauge field theories of the t-J model
Author keywords

[No Author keywords available]
Indexed keywords

EID: 0037542296     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.46.11224     Document Type: Article
Times cited : (35)
References (28)
  • 1
    • 84927829002 scopus 로고    scopus 로고
    • Permanent address: Landau Institute for Theoretical Physics, 117940 st. Kosygina, 2 Moscow, Russia.
  • 2
    • 84927829001 scopus 로고    scopus 로고
    • For a review, see Proceedings of the Los Alamos Symposium on High Temperature Superconductivity, edited by K. S. Bedell et al. (Addison Wesley, Redwood City, 1990), or Proceedings of the Kanazawa Conference on Materials and Mechanisms of Superconductivity HTSC III, edited by M. Tachiki et al. [Physica C 185 189 (1991)].
  • 9
    • 84927829000 scopus 로고    scopus 로고
    • and (unpublished).
  • 16
    • 84927828998 scopus 로고    scopus 로고
    • In order to obtain the correct behavior of Π⊥ for q→ 0, ω=0 (i.e., Π⊥ → 0, no Meissner effect for T>0), we assume that the local fields arising from the link fields are situated in the centers of the links.
  • 17
    • 84927828997 scopus 로고    scopus 로고
    • In fact, the scalar and the transverse modes decouple only at high symmetry points of the Brillouin zone and in the limit vec q → 0. However, at ωn →∞ and ωn=0 the modes decouple for all vec q. Thus the regularization scheme is chosen properly and the assumption ZA=Zφ Z⊥ leads to plausible results which become exact close to TcMF.

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