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619-633

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2007-04

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2006-09-14

References

- 1. C. Herring, in: Magnetism, Eds. G.T. Rado, H. Suhl, Academic Press, New York 1966, p. 120 and 190; J. Hubbard, Phys. Rev. B, 19, 2626, 1979; ibid. B, 20, 4584, 1979; T. Moriya, Spin Fluctuations in Itinerant Electron Magnetism, Springer Series in Solid-State Sciences, Vol. 56, Springer-Verlag, Berlin 1985
- 2. G. Zwicknagl, A. Yaresko, P. Fulde, Phys. Rev. B, 65, 081103(R), 2002; D. Efremov, N. Hasselmann, E. Runge, P. Fulde, G. Zwicknagl, Phys. Rev. B, 69, 114115, 2004; E. Runge, P. Fulde, D. Efremov, N. Hasselmann, G. Zwicknagl, Phys. Rev. B, 69, 155110, 2004
- 3. This question has been addressed in: A. Liebsch, Phys. Rev. Lett., 91, 226401, 2003, where only a single Mott transition was found. A different conclusion was reached in: A. Koga, N. Kawakami, J.M. Rice, M. Sigrist, Phys. Rev. Lett., 92, 216402, 2004; see also M.S. Laad, L. Craco, E. Muller-Hartman, Europhys. Lett., 69, 984, 2005, where the case of VO$_2$ was considered (and references therein to their earlier work)
- 4. P.G.J. van Dongen, C. Knecht, N. Blumer, cond-mat/0507682 v1 28 Jul 2005; A. Ruegg, M. Indergand, S. Pilgram, M. Sigrist, Eur. Phys. J. B, 48, 55, 2005; L. de'Medici, A. Georges, S. Biermann, cond-mat/0503764; M. Ferrero, F. Becca, M. Fabrizio, M. Capone, cond-mat/0503759
- 5. Cf. e.g. E.L. Nagaev, Physics of Magnetic Semiconductors, Mir Publ., Moscow 1983; K. Yosida, Theory of Magnetism, Springer-Verlag, Berlin 1998, Part IV
- 6. J. Spalek, P. Gopalan, Phys. Rev. Lett., 64, 2823, 1990; P. Korbel, J. Spalek, W. Wójcik, M. Aquarone, Phys. Rev. B, 52, R 2213, 1995; for brief review see: J. Spalek, Phys. Status Solidi B, 243, 78, 2006
- 7. A. McCollam, S.R. Julian, P.M.C. Rourke, D. Aoki, J. Flouquet, Phys. Rev. Lett., 94, 186401, 2005; M. Takashita, H. Aoki, T. Terashima, S. Uji, K. Maezawa, R. Settai, Y. Onuki, J. Phys. Soc. Jpn., 65, 515, 1996; I. Sheikin, A. Groger, S. Raymond, D. Jaccard, D. Aoki, H. Harima, J. Flouquet, Phys. Rev. B, 67, 094420, 2003
- 8. G. Kotliar, A.E. Ruckenstein, Phys. Rev. Lett., 57, 1362, 1986
- 9. R. Frésard, G. Kotliar, Phys. Rev. B, 56, 12909, 1997; H. Hasegawa, J. Phys. Soc. Jpn., 66, 1391, 1997; Phys. Rev. B, 56, 1196, 1997; A. Klejnberg, J. Spalek, Phys. Rev. B, 57, 12041, 1998
- 10. A general spin rotationally invariant formulation of the slave-boson approach for a single-band case was introduced in: T. Li, P. Hirschfeld, Phys. Rev. B, 40, 6817, 1989; R. Frésard, P. Wolfle, Int. J. Mod. Phys. B, 6, 237, 1992 (Erratum: ibid. B, 6, 3087, 1992); see also: J. Spalek, W. Wójcik, in: Spectroscopy of Mott Insulators and Correlated Metals, Eds. A. Fujimori, Y. Tokura, Springer, Berlin 1995, p. 41
- 11. A general slave-boson representation of the Kotliar-Ruckenstein type for the two-band system with rotationally-invariant Hund's rule was introduced in: A. Klejnberg, J. Spalek, J. Phys., Condens. Matter, 11, 6553, 1999; Phys. Rev. B, 61, 15542, 2000
- 12. W. Negele, H. Orland, Quantum Many-Particle Systems, Addison-Wesley, Redwood City 1988
- 13. J. Spalek, in: Encyclopedia of Condensed Matter Physics, Eds. F. Bassani, G.L. Liedl, P. Wyder, Elsevier, Amsterdam 2005, p. 126; J. Spalek, A. Datta, J.M. Honig, Phys. Rev. Lett., 59, 728, 1987
- 14. J. Spalek, Habilitation Thesis, Jagiellonian University, Kraków 1981, unpublished
- 15. P.W. Anderson, H. Hasegawa, Phys. Rev., 100, 675, 1955; P.G. De Gennes, ibid., 118, 141, 1960

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bwmeta1.element.bwnjournal-article-appv111n419kz

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