Phys. Rev. Lett. 18, 546–548 (1967)Polarizability of a Two-Dimensional Electron GasReceived 13 February 1967; published in the issue dated 3 April 1967 The response of a two-dimensional electron gas to a longitudinal electric field of arbitrary wave vector and frequency is calculated in the self-consistent-field approximation. The results are used to find the asymptotic screened Coulomb potential and the plasmon dispersion for a plane of electrons imbedded in a three-dimensional dielectric. © 1967 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.18.546
DOI:
10.1103/PhysRevLett.18.546
PACS:
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