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Thermal smearing and screening in a strong magnetic field for Dirac materials in comparison with the two dimensional electron liquid

Author

Listed:
  • Godfrey Gumbs

    (Hunter College of City University of New York
    Donostia International Physics Center)

  • Antonios Balassis

    (Fordham University)

  • Dipendra Dahal

    (Hunter College of City University of New York)

  • M. Lawrence Glasser

    (Donostia International Physics Center
    Clarkson University)

Abstract

We compute and compare the effects due to a uniform perpendicular magnetic field as well as temperature on the static polarization functions for monolayer graphene (MLG), associated with the Dirac point, with that for the two-dimensional electron liquid (2DEL) with the use of comprehensive numerical calculations. The relevance of our study to the Friedel oscillations for the screening of the potential for a dilute distribution of impurities is reported too. Our results show substantial differences due to screening for the 2DEL and MLG which have not been given adequate attention previously.

Suggested Citation

  • Godfrey Gumbs & Antonios Balassis & Dipendra Dahal & M. Lawrence Glasser, 2016. "Thermal smearing and screening in a strong magnetic field for Dirac materials in comparison with the two dimensional electron liquid," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 89(10), pages 1-7, October.
    • Handle: RePEc:spr:eurphb:v:89:y:2016:i:10:d:10.1140_epjb_e2016-70452-4
    DOI: 10.1140/epjb/e2016-70452-4
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    Solid State and Materials;

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