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Static Response and Local Field Factor of the Electron Gas
Abstract
We have evaluated the density-density static response of the electron gas at zero temperature and in the metallic regime by diffusion Monte Carlo. The computed local field factor $G(q)$ smoothly interpolates between the asymptotic small and large $q$ behavior, with a crossover around ${2q}_{F}$. In fact, $G(q)$ appears to be almost completely given by its asymptotes, being accurately reproduced by the local density approximation to density functional theory for $q\ensuremath{\lesssim}{2q}_{F}$. We give a simple formula to reproduce $G(q)$ at relevant values of the wave vector.
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Cited by
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Metadata
- Authors
- Moroni, S., Ceperley, D. M., & Senatore, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-07-24
- Volume
- 75
- Issue
- 4
- Pages
- 689-692
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2049852309
- Cited by
- 291
- References
- 0
- FWCI
- 47.97
- Type
- journal article
- Language
- en
- Open access
- closed
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- Moroni, S., Ceperley, D. M., & Senatore, G. (1995). Static Response and Local Field Factor of the Electron Gas. Physical Review Letters. https://doi.org/10.1103/physrevlett.75.689
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