FRIEDEL OSCILLATIONS IN A ONE-DIMENSIONAL NON-INTERACTING ELECTRON GAS IN THE PRESENCE OF TWO IMPURITIES

Authors

DOI:

https://doi.org/10.24193/subbphys.2023.05

Keywords:

one-dimensional electron gas, one impurity, two impurities, Friedel oscillations

Abstract

Using the linear response theory, we analyze Friedel oscillations in a one-dimensional non-interacting electron gas in the presence of two impurities with different potential strengths. The impurities potentials are modelled using Dirac delta function, as well as Lorentzian and Gaussian distribution functions. Our findings show that density oscillations are strongly sensitive to both the distance between the impurities and their respective potential strengths.

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STUDIA UBB PHYSICA, Volume 68 (LXVIII), No. 1-2, December 2023

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2023-12-30

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Volume 68, No. 1-2, 2023

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Copyright (c) 2023 Studia Universitatis Babeș-Bolyai Physica

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How to Cite

FRIEDEL OSCILLATIONS IN A ONE-DIMENSIONAL NON-INTERACTING ELECTRON GAS IN THE PRESENCE OF TWO IMPURITIES. (2023). Studia Universitatis Babeș-Bolyai Physica, 68(1-2), 49-56. https://doi.org/10.24193/subbphys.2023.05

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