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Volumn 79, Issue 6, 2009, Pages

Interband superconductivity: Contrasts between Bardeen-Cooper-Schrieffer and Eliashberg theories

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EID: 60949105937     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.060502     Document Type: Article
Times cited : (94)

References (16)
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    • The square-well model is not a consistent approximation as different functional forms are assumed for Δ in the first and in the second Eliashberg equations. Sometimes this may lead to qualitative errors [e.g., 10.1103/PhysRevLett.95.257003
    • The square-well model is not a consistent approximation as different functional forms are assumed for Δ in the first and in the second Eliashberg equations. Sometimes this may lead to qualitative errors [e.g., O. V. Dolgov, I. I. Mazin, A. A. Golubov, S. Y. Savrasov, and E. G. Maksimov, Phys. Rev. Lett. 95, 257003 (2005)]. In this particular case, however, it can be shown that using more accurate and consistent functional forms, Δ1 (ω) = Δ1 (0) Ω2 / (ω2 + Ω2) and Z1 (ω) =1+ (λ12 Ω/ω) tan-1 (ω/Ω), leads to essentially the same result. 10.1103/PhysRevLett.95.257003
    • (2005) Phys. Rev. Lett. , vol.95 , pp. 257003
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.