Structural Expansion for the Ground-State Energy of Simple Metals. II | Zendy

Hiroshi Miyagi | Zendy; H. Nagara | Zendy; T. Nakamura | Zendy

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Structural Expansion for the Ground-State Energy of Simple Metals. II

Author(s) -

Hiroshi Miyagi,

H. Nagara,

T. Nakamura

Publication year - 1980

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.63.1509

Subject(s) - physics , singularity , ground state , simple (philosophy) , term (time) , third order , electron , order (exchange) , shielding effect , exchange interaction , quantum electrodynamics , quantum mechanics , mathematical physics , electromagnetic shielding , mathematical analysis , ferromagnetism , theology , epistemology , finance , economics , philosophy , mathematics

A detailed study is given for the primary correction to the RPA polarization. This correction comes from polarization graphs obtained from the simplest one by inserting an interaction line. Here the interaction line is the screened one with the use of the dynamical RPA dielectric function. It is proved that the plaom10n contribution io considerably large in the region of 1. 7Sq;.;2. 0 with wavcvector q in units of the Fermi radius. This contribution is shown to become more important with increasing r,. The scattering contribution is also studied. Our results prove consiotcnt with Gelclart and Vosko's relation for the long wavelength limit.

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