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Volumn 64, Issue 4, 2001, Pages

Finite-temperature numerical renormalization group study of the Mott transition

Author keywords

[No Author keywords available]

Indexed keywords

METAL;

EID: 0035878361     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.64.045103     Document Type: Article
Times cited : (304)

References (55)
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    • In the presence of a magnetic field, a different choice of spectral representation, based on using the reduced density matrices of clusters (Formula presented), is required, see W. Hofstetter, Phys. Rev. Lett. 85, 1508 (2000).
    • (2000) Phys. Rev. Lett. , vol.85 , pp. 1508
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    • The precise form of the weighting function turns out to be unimportant for the final result, e.g., the form of the spectral function; the idea is here to reduce the weight of those (Formula presented) peaks that are at the edges of the spectrum of each cluster
    • The precise form of the weighting function turns out to be unimportant for the final result, e.g., the form of the spectral function; the idea is here to reduce the weight of those (Formula presented) peaks that are at the edges of the spectrum of each cluster.
  • 33
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    • Metal-Insulator Transitions, 2nd ed. (Taylor and Francis, London 1990)
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    • The hopping matrix elements (Formula presented) in Eq. (10) are assumed to be chosen in such a way that antiferromagnetic long-range order is suppressed completely.6
    • The hopping matrix elements (Formula presented) in Eq. (10) are assumed to be chosen in such a way that antiferromagnetic long-range order is suppressed completely.6
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    • Although the term insulator is only strictly defined for (Formula presented), we denote a solution as insulating if it shows well separated upper and lower Hubbard peaks with only a small spectral weight at the Fermi level
    • Although the term insulator is only strictly defined for (Formula presented), we denote a solution as insulating if it shows well separated upper and lower Hubbard peaks with only a small spectral weight at the Fermi level.
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    • This value of U, valid for (Formula presented), depends on temperature
    • This value of U, valid for (Formula presented), depends on temperature.


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