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Volumn 92, Issue 15, 2004, Pages

Theory of insulator metal transition and colossal magnetoresistance in doped manganites

Author keywords

[No Author keywords available]

Indexed keywords

ANNEALING; BAND STRUCTURE; CHEMICAL BONDS; COLOSSAL MAGNETORESISTANCE; DOPING (ADDITIVES); HAMILTONIANS; MATHEMATICAL MODELS; METAL INSULATOR TRANSITION; PEROVSKITE; PHONONS; POTENTIAL ENERGY;

EID: 2542419418     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.92.157203     Document Type: Article
Times cited : (136)

References (28)
  • 1
    • 0035540766 scopus 로고    scopus 로고
    • Gordon and Breach, New York
    • For reviews, see Colossal Magnetoresistance Oxides, edited by Y. Tokura (Gordon and Breach, New York, 2000); M. B. Salamon and M. Jaime, Rev. Mod. Phys. 73, 583 (2001).
    • (2000) Colossal Magnetoresistance Oxides
    • Tokura, Y.1
  • 2
    • 0035540766 scopus 로고    scopus 로고
    • For reviews, see Colossal Magnetoresistance Oxides, edited by Y. Tokura (Gordon and Breach, New York, 2000); M. B. Salamon and M. Jaime, Rev. Mod. Phys. 73, 583 (2001).
    • (2001) Rev. Mod. Phys. , vol.73 , pp. 583
    • Salamon, M.B.1    Jaime, M.2
  • 4
    • 0032495476 scopus 로고    scopus 로고
    • N. A. Babushkina et al., Nature (London) 391, 159 (1998). Approaches based on static lattice displacements or band structure [4] cannot account for such phenomena.
    • (1998) Nature (London) , vol.391 , pp. 159
    • Babushkina, N.A.1
  • 5
    • 0005484511 scopus 로고
    • See, e.g., D.D. Sarma et al., Phys. Rev. Lett. 75, 1126 (1995); S. Satpathy, Z.S. Popovic, and F.R. Vukajlovic, Phys. Rev. Lett. 76, 960 (1996).
    • (1995) Phys. Rev. Lett. , vol.75 , pp. 1126
    • Sarma, D.D.1
  • 11
    • 85032429750 scopus 로고    scopus 로고
    • note
    • Nevertheless, as the ℓ states are polaronic, and external perturbations couple to electrons, there are no spectroscopic (or thermodynamic) sharp level manifestations [9]
  • 12
    • 85032427350 scopus 로고    scopus 로고
    • note
    • Details and other results will be presented elsewhere (e.g., see cond-mat/0308396 and cond-mat/0309493)
  • 13
    • 85088488178 scopus 로고    scopus 로고
    • note
    • ℓ), and is the only relevant band for low energy physics [9].
  • 15
    • 0000767714 scopus 로고    scopus 로고
    • For example, D. Louca et al., Phys. Rev. B 56, R8475 (1997); C. Meneghini et al., J. Phys. Condens. Matter 14, 1967 (2002).
    • (1997) Phys. Rev. B , vol.56
    • Louca, D.1
  • 16
    • 0037017515 scopus 로고    scopus 로고
    • For example, D. Louca et al., Phys. Rev. B 56, R8475 (1997); C. Meneghini et al., J. Phys. Condens. Matter 14, 1967 (2002).
    • (2002) J. Phys. Condens. Matter , vol.14 , pp. 1967
    • Meneghini, C.1
  • 17
    • 85088488918 scopus 로고    scopus 로고
    • note
    • H limit we treat.
  • 18
    • 0000751891 scopus 로고    scopus 로고
    • note
    • F as an adjustable fitting parameter.
  • 22
    • 85032426755 scopus 로고    scopus 로고
    • note
    • The results are nearly the same for semicircular and realistic tight binding DOS (e.g., see Fig. 2 for resistivity).
  • 25
    • 85032428612 scopus 로고    scopus 로고
    • note
    • The discrepancies can be reduced by including short-range correlations neglected in the DMFT.
  • 28


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.