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    Dynamical exchange-correlation potentials for the electron liquid in the spin channel

    Qian, Zhixin
    Vignale, Giovanni, 1957-
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    [PDF] DynamicalExchangeCorrelationPotentialsElectron.pdf (172.2Kb)
    Date
    2003
    Format
    Article
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    Abstract
    The components of the exchange-correlation kernel tensor of an isotropic electron liquid in the spin channel have the structure f xc,2 L,T (q,v) ! q!0 A(v)/q21BL,T(v), where L denotes the longitudinal component and T the transverse component relative to the direction of the wave vector q. In this paper we calculate analytically the high- and low-frequency limits of A(v) and BL,T(v) and combine these limiting forms with the Kramers-Kro¨nig dispersion relations to obtain approximations for A(v) and BL,T(v) at all frequencies.
    URI
    http://hdl.handle.net/10355/7788
    Citation
    Phys. Rev. B 68, 195113 (2003)
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