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Volumn 70, Issue 18, 2004, Pages 1-10

Electron-phonon interaction enhanced by antiferromagnetic and superconducting fluctuations in cuprate superconductors

Author keywords

[No Author keywords available]

Indexed keywords

COPPER; FERROMAGNETIC MATERIAL;

EID: 12344296507     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.70.184514     Document Type: Article
Times cited : (6)

References (44)
  • 32
    • 12344280683 scopus 로고    scopus 로고
    • note
    • jσ〉 with i ≠ j; bond order should not be called an anisotropic density wave. Only the site-diagonal ones (i=j) should be called density waves. The so called flux or current state can be constructed by taking a linear combination of double or multiple Q bond-order states, whose phases are different from each other.
  • 37
    • 12344336977 scopus 로고    scopus 로고
    • note
    • c for the condensation of s-wave and dγ-wave Cooper pairs of auxiliary fermions, which are often called spinons, are reduced by repulsive U′ and U″, respectively, and they are enhanced by attractive U′ and U″. If we consider seriously the restriction of the Hilbert space, we had better take infinitely large repulsive on-site U′ and we should treat H̄′ seriously and properly. When U′ is small, auxiliary particles are itinerant in the MF theory. However, they must be localized in the limit of infinitely large repulsive U′ when the average number of auxiliary particles is just one per site, as electrons are localized in the just half-filled Hubbard model with indefinitely large on-site repulsion U; only pair excitations can be itinerant such as those of auxiliary particles in the auxiliary-particle model and those of electrons in the Hubbard model.
  • 39
    • 12344283387 scopus 로고    scopus 로고
    • note
    • When we take the other statistics different from those of the slave-boson t-J model, fermionic e, and bosonic c particles, results in the MF approximation for such a model are totally different from those for the slave-boson t-J model. One of the most remarkable differences is that the volumes of the Fermi surface are totally different between the two models. This is other evidence that the MF approximation for the auxiliary-particle models, including the slave boson t-J model, is irrelevant to describe dynamics of electrons in the original t-J model.
  • 41
    • 12344292138 scopus 로고    scopus 로고
    • T. Fukuda, J. Mizuki, K. Ikeuchi, M. Fujita, K. Yamada, A. Q. R. Baron, S. Tsutsui, Y. Tanaka, and Y. Endoh, cond-mat/0306190
    • T. Fukuda, J. Mizuki, K. Ikeuchi, M. Fujita, K. Yamada, A. Q. R. Baron, S. Tsutsui, Y. Tanaka, and Y. Endoh, cond-mat/0306190.
  • 42
    • 12344329026 scopus 로고    scopus 로고
    • cond-mat/0405101, submitted to
    • F. J. Ohkawa, cond-mat/0405101, submitted to Phys. Rev. B.
    • Phys. Rev. B
    • Ohkawa, F.J.1
  • 44
    • 0003517283 scopus 로고
    • Basic Notions of Condensed Matter Physics
    • Benjamin/Cummings, Menlo Park, CA
    • See, for example, P. W. Anderson, Basic Notions of Condensed Matter Physics, Frontier in Physics, Lecture Note Series Vol. 55 (Benjamin/Cummings, Menlo Park, CA, 1983).
    • (1983) Frontier in Physics, Lecture Note Series , vol.55
    • Anderson, P.W.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.