An energy functional for surfaces
J. Chem. Phys. 115, 3441 (2001); doi:10.1063/1.1396649
Issue Date: 22 August 2001
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We propose a simple way of correcting general gradient and local density approximation surface energies for errors of these approximations intrinsic to surfaces by the appropriate use of reference systems with an exponential surface potential veff(z)
e(z/a). A test of this approach applied to general gradient and local density approximation surface exchange energies for half jellium systems removes most of the surface-intrinsic errors and yields excellent results. We suggest that the same procedure would also be successful for surface correlation effects. We conclude with some general remarks about future directions of density functional theory. ©2001 American Institute of Physics.
e(z/a). A test of this approach applied to general gradient and local density approximation surface exchange energies for half jellium systems removes most of the surface-intrinsic errors and yields excellent results. We suggest that the same procedure would also be successful for surface correlation effects. We conclude with some general remarks about future directions of density functional theory. ©2001 American Institute of Physics.
| History: | Received 18 April 2001; accepted 2 July 2001 |
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http://link.aip.org/link/?JCPSA6/115/3441/1 |
KEYWORDS and PACS
- 71.10.Ca
Electronic structure of bulk materials Theories and models of many-electron systems Electron gas, Fermi gas - 68.03.Cd
Surfaces and interfaces; thin films and low-dimensional systems (structure and nonelectronic properties) Gas-liquid and vacuum-liquid interfaces Surface tension and related phenomena - 71.15.Mb
Electronic structure of bulk materials Methods of electronic structure calculations Density functional theory, local density approximation, gradient and other corrections - YEAR: 2001
RELATED DATABASES
PUBLICATION DATA
0021-9606 (print)
1089-7690 (online)
REFERENCES (10)
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- W. Kohn, in Electronic Density Functional Theory: Recent Progress and New Directions, edited by J. F. Dobson, G. Vignale, and M. P. Das (Plenum, New York, 1998).
- W. Kohn and A. E. Mattsson, Phys. Rev. Lett. 81, 3487 (1998).
- P. Hohenberg and W. Kohn,
Phys. Rev. 136, B864 (1964) ;
W. Kohn and L. J. Sham, - V. Sahni, J. B. Krieger, and J. Gruenebaum,
Phys. Rev. B 15, 1941 (1977) . - N. D. Lang and W. Kohn,
Phys. Rev. B 1, 4555 (1970) . - S. Kurth, J. P. Perdew, and P. Blaha,
Int. J. Quantum Chem. 75, 889 (1999) . - J. P. Perdew, K. Burke, and M. Ernzerhof, Phys. Rev. Lett. 77, 3865 (1996).
- J. M. Pitarke and A. G. Eguiluz (private communication).
- W. Kohn, Phys. Rev. Lett. 76, 3168 (1996).
- K. Carling, G. Wahnström, T. R. Mattsson, A. E. Mattsson, N. Sandberg, and G. Grimvall, Phys. Rev. Lett. 85, 3862 (2000).








