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      Band-gap renormalization in quasi-one-dimensional electron-hole systems

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      Author(s)
      Tanatar, Bilal
      Date
      1996
      Source Title
      Journal of Physics Condensed Matter
      Print ISSN
      0953-8984
      Publisher
      Institute of Physics Publishing Ltd
      Volume
      8
      Issue
      33
      Pages
      5997 - 6004
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      We study the band-gap renormalization (BGR) in semiconductor quantum wires. Assuming an electron-hole system in quasi-equilibrium, we employ the random-phase approximation (RPA) and beyond (e.g., local-field corrections) to calculate the electron and the hole self-energies. The plasmon-pole approximation to the static dielectric function ε(q) agrees well with the RPA result. Our results for the BGR are compared with the recent experimental measurements and other theoretical calculations.
      Permalink
      http://hdl.handle.net/11693/25786
      Published Version (Please cite this version)
      http://dx.doi.org/10.1088/0953-8984/8/33/008
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      • Department of Physics 2550
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