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Generalized gradient approximation for the exchange-correlation hole of a many-electron system

✍ Scribed by Perdew, John P.; Burke, Kieron; Wang, Yue


Book ID
121314700
Publisher
The American Physical Society
Year
1996
Tongue
English
Weight
175 KB
Volume
54
Category
Article
ISSN
1098-0121

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Generalized gradient approximations (GGA s) seek to improve upon the accuracy of the local-spin- density (LSD) approximation in electronic-structure calculations. Perdew and Wang have developed a GGA based on real-space cutoff of the spurious long-range components of the second-order gradient ex- pa