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001-es BibID:	BIBFORM086368
Első szerző:	Gál Tamás
Cím:	Differential equation for the determination of a first-degree homogeneous noninteracting kinetic-energy density functional for two-level systems / T. Gál, N. H. March, Á. Nagy
Dátum:	2002
ISSN:	0375-9601
Megjegyzések:	A differential equation from which the noninteracting kinetic energy density of one-dimensional two-particle (or two-level spherically symmetric closed-shell) systems can be obtained in terms of the ground-state density is derived. In this equation, though non-linear, the kinetic energy density appears only through its various spatial derivatives. With a physically consistent generalization of the normalization constraint, the solution of the differential equation as a functional of the density gives a first-degree homogeneous two-particle noninteracting kinetic-energy density functional, which can be considered as the second element of a series of first-degree homogeneous density functionals that give the exact noninteracting kinetic energy for densities of a given particle number, the first of which is the Weizsäcker functional.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk noninteracting kinetic energy two-particle density functionals first-degree homogeneity generalized normalization Weizsacker functional
Megjelenés:	Physics Letters A. - 302 : 2-3 (2002), p. 55-58. -
További szerzők:	March, Norman H. Nagy Ágnes (1951-) (fizikus)
Pályázati támogatás:	T029469 OTKA
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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