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Volumn 66, Issue 10, 2002, Pages 1044301-1044306

Interplay between double-exchange, superexchange, and lifshitz localization in doped manganites

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM; GALLIUM; IRON; LANTHANUM; MANGANESE DERIVATIVE; MANGANITE; UNCLASSIFIED DRUG;

EID: 0036708938     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (41)

References (43)
  • 1
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    • Sachdev, S.1
  • 2
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    • S. Sachdev, Quantum Phase Transitions (Cambridge University Press, Cambridge, England, 1999); Science 288, 475 (2000); Physica A 313, 252 (2002).
    • (2000) Science , vol.288 , pp. 475
  • 3
    • 84924581223 scopus 로고    scopus 로고
    • S. Sachdev, Quantum Phase Transitions (Cambridge University Press, Cambridge, England, 1999); Science 288, 475 (2000); Physica A 313, 252 (2002).
    • (2002) Physica A , vol.313 , pp. 252
  • 4
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    • J. Hertz, Phys. Rev. B 14, 1165 (1976); T. Moriya, Spin Fluctuations in Itinerant Electron Magnetism (Springer, Berlin, 1985); A. J. Millis, Phys. Rev. B 48, 7183 (1993).
    • (1976) Phys. Rev. B , vol.14 , pp. 1165
    • Hertz, J.1
  • 6
    • 0000181496 scopus 로고
    • J. Hertz, Phys. Rev. B 14, 1165 (1976); T. Moriya, Spin Fluctuations in Itinerant Electron Magnetism (Springer, Berlin, 1985); A. J. Millis, Phys. Rev. B 48, 7183 (1993).
    • (1993) Phys. Rev. B , vol.48 , pp. 7183
    • Millis, A.J.1
  • 7
    • 33744612537 scopus 로고    scopus 로고
    • D. Belitz and T. R. Kirkpatrick, cond-mat/0106279 (unpublished), and references therein
    • D. Belitz and T. R. Kirkpatrick, cond-mat/0106279 (unpublished), and references therein.
  • 14
  • 31
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    • C. Zener, Phys. Rev. 82, 403 (1951); P. W. Anderson and H. Hasegawa, ibid. 100, 675 (1955); P. G. de Gennes, ibid. 118, 141 (1960).
    • (1951) Phys. Rev. , vol.82 , pp. 403
    • Zener, C.1
  • 32
    • 0343888794 scopus 로고
    • C. Zener, Phys. Rev. 82, 403 (1951); P. W. Anderson and H. Hasegawa, ibid. 100, 675 (1955); P. G. de Gennes, ibid. 118, 141 (1960).
    • (1955) Phys. Rev. , vol.100 , pp. 675
    • Anderson, P.W.1    Hasegawa, H.2
  • 33
    • 4243563148 scopus 로고
    • C. Zener, Phys. Rev. 82, 403 (1951); P. W. Anderson and H. Hasegawa, ibid. 100, 675 (1955); P. G. de Gennes, ibid. 118, 141 (1960).
    • (1960) Phys. Rev. , vol.118 , pp. 141
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  • 34
    • 0001650918 scopus 로고    scopus 로고
    • D. P. Arovas and F. Guinea, Phys. Rev. B 58, 9150 (1998); M. Yu. Kagan, D. I. Khomskii, and M. V. Mostovoy, Eur. Phys. J. B 12, 217 (1999).
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    • Arovas, D.P.1    Guinea, F.2
  • 36
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    • note
    • Phonons are crucial to understand magnetoresistance effects; see Ref. 20 and references therein.
  • 38
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    • Lecture Notes in Physics (World Scientific, Singapore
    • See, e.g., G. Parisi, Field-Theory, Disorder and Simulations, Lecture Notes in Physics Vol. 49 (World Scientific, Singapore, 1992).
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    • Parisi, G.1
  • 40
    • 30244447660 scopus 로고
    • and references therein
    • We obtain the DOS numerically; see Ref. 33 and C. Benoit, E. Royer, and G. Poussigue, J. Phys.: Condens. Matter 4, 3125 (1992), and references therein; P. Turchi, F. Ducastelle, and G. Tréglia, J. Phys. C 15, 2891 (1982).
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    • Benoit, C.1    Royer, E.2    Poussigue, G.3
  • 41
    • 33847548036 scopus 로고
    • We obtain the DOS numerically; see Ref. 33 and C. Benoit, E. Royer, and G. Poussigue, J. Phys.: Condens. Matter 4, 3125 (1992), and references therein; P. Turchi, F. Ducastelle, and G. Tréglia, J. Phys. C 15, 2891 (1982).
    • (1982) J. Phys. C , vol.15 , pp. 2891
    • Turchi, P.1    Ducastelle, F.2    Tréglia, G.3
  • 42
    • 33744621619 scopus 로고    scopus 로고
    • note
    • The presence of gaps in the DOS makes the convergence of the continued-fraction (Ref. 31) rather slow, which is the reason for the small oscillations shown in Fig. 1. Nevertheless, integrated quantities, and in particular the location of phase transitions, are very slightly affected.


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