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      Density functional theory investigation of two-dimensional dipolar fermions in a harmonic trap

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      Author(s)
      Üstünel, H.
      Abedinpour, S. H.
      Tanatar, Bilal
      Date
      2014
      Source Title
      Journal of Physics: Conference Series
      Print ISSN
      1742-6588
      Publisher
      IOP
      Volume
      568
      Pages
      1 - 5
      Language
      English
      Type
      Conference Paper
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      Abstract
      We investigate the behavior of polarized dipolar fermions in a two-dimensional harmonic trap in the framework of the density functional theory (DFT) formalism using the local density approximation. We treat only a few particles interacting moderately. Important results were deduced concerning key characteristics of the system such as total energy and particle density. Our results indicate that, at variance with Coulombic systems, the exchange- correlation component was found to provide a large contribution to the total energy for a large range of interaction strengths and particle numbers. In addition, the density profiles of the dipoles are shown to display important features around the origin that is not possible to capture by earlier, simpler treatments of such systems.
      Keywords
      Low temperature effects
      Temperature
      Density profile
      Exchange-correlations
      Harmonic trap
      Important features
      Interaction strength
      Key characteristics
      Particle densities
      Particle numbers
      Local density approximation
      Permalink
      http://hdl.handle.net/11693/26953
      Published Version (Please cite this version)
      http://dx.doi.org/10.1088/1742-6596/568/1/012020
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      • Department of Physics 2397
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