Charge-density distributions in doped antiferromagnetic insulators
نویسندگان
چکیده
منابع مشابه
Theory for slightly doped antiferromagnetic mott insulators.
New trial wave functions, constructed explicitly from the unique Mott insulating state with antiferromagnetic order, are proposed to describe the ground state of a Mott insulator slightly doped with holes or electrons. A rigid band is observed as charged quasiparticles with well-defined momenta being realized in these states. These states have much less superconducting correlations than previou...
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L. Fratino,1 P. Sémon,2 G. Sordi,1 and A.-M. S. Tremblay2,3 1Department of Physics, Royal Holloway, University of London, Egham, Surrey TW20 0EX, United Kingdom 2Département de Physique and Regroupement Québéquois sur les Matériaux de Pointe, Université de Sherbrooke, Sherbrooke, Québec, Canada, J1K 2R1 3Canadian Institute for Advanced Research, Toronto, Ontario, Canada, M5G 1Z8 (Received 27 Fe...
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We construct the low-energy theory of a doped Mott insulator, such as the high-temperature superconductors, by explicitly integrating over the degrees of freedom far away from the chemical potential. For either hole or electron doping, a charge 2e bosonic field emerges at low energy. The charge 2e boson mediates dynamical spectral weight transfer across the Mott gap and creates a new charge e e...
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Dynamical mean-field theory is employed to calculate the electronic charge reconstruction of multilayered inhomogeneous devices composed of semi-infinite metallic lead layers sandwiching barrier planes of a strongly correlated material that can be tuned through the metal-insulator Mott transition . The main focus is on barriers that are doped Mott-insulators, and how the electronic charge recon...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2004
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.69.012401