Phys. Rev. Lett. 35, 1725–1728 (1975)Ab Initio Calculation of the Spin Susceptibility for the Alkali Metals Using the Density-Functional FormalismReceived 19 August 1974; revised 2 June 1975; published in the issue dated 22 December 1975 The new variational-principle, density-functional theory of the spin susceptibility χ is used to make a priori calculations of χ for the alkalis. Crystalline effects are calculated by the spherical-cell method and the local spin-density approximation is used for the exchange-correlation functionals. The excellent agreement between the results and recent experiments establishes the validity of this new theory and the correctness of the theoretical values for the exchange-correlation enhancement of χ for a homogeneous electron gas for rs≲5. © 1975 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.35.1725
DOI:
10.1103/PhysRevLett.35.1725
PACS:
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