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      Spin magnetization of a strongly correlated electron gas confined in a two-dimensional finite lattice

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      Author
      Niţǎ, M.
      Dinu, V.
      Aldea, A.
      Tanatar, Bilal
      Date
      2004
      Source Title
      Physical Review B - Condensed Matter and Materials Physics
      Print ISSN
      0163-1829
      Publisher
      American Physical Society
      Volume
      69
      Issue
      7
      Pages
      073106-1 - 073106-4
      Language
      English
      Type
      Article
      Item Usage Stats
      120
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      79
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      Abstract
      The influence of disorder and interaction effects on the ground state polarization of the two-dimensional correlated electron gas is studied by numerical investigations of the unrestricted Hartree-Fock approach. With the model of Anderson disorder a continuous increase of the spin magnetization until the fully polarized regime is obtained. The ferromagnetic ground state is found to be favorable when the electron number is lowered and the interaction and disorder parameters are suitably chosen.
      Keywords
      Ferromagnetic material
      Acceleration
      Correlation function
      Electron
      Gas
      Magnetism
      Molecular interaction
      Polarization
      Permalink
      http://hdl.handle.net/11693/24324
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