The energy of a two-dimensional electron crystal in the low-density limit is studied. The first correction to the electrostatic energy of a crystal is shown to be \( 1.62733{r}_s^{-3/2} \) Ry. The answer is obtained using the method of numerical integration.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 159–163, October, 2021.
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Kalinichenko, I.S. Vacuum Energy of a Two-Dimensional Electron Crystal. Russ Phys J 64, 1961–1966 (2022). https://doi.org/10.1007/s11182-022-02533-4
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DOI: https://doi.org/10.1007/s11182-022-02533-4