On the semiconductor energy gap in density functional theory

H. Eschrig; K. A. Kikoin; V. G. Kohn

doi:10.1016/0038-1098(85)90306-0

On the semiconductor energy gap in density functional theory

H. Eschrig, K. A. Kikoin, V. G. Kohn

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3 Scopus citations

Abstract

The non-existence of the functional derivative of the Hohenberg-Kohn functional at the ground-state density of a semiconductor earlier discussed in the literature^2,3 is analyzed. Arguments are given that this non-existence is not connected with the discontinuity of the (ordinary) derivative of the functional with respect to the particle number N as discussed by Perdew and Levy².

Original language	English
Pages (from-to)	773-775
Number of pages	3
Journal	Solid State Communications
Volume	56
Issue number	9
DOIs	https://doi.org/10.1016/0038-1098(85)90306-0
State	Published - 1 Jan 1985
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(85)90306-0

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title = "On the semiconductor energy gap in density functional theory",

abstract = "The non-existence of the functional derivative of the Hohenberg-Kohn functional at the ground-state density of a semiconductor earlier discussed in the literature2,3 is analyzed. Arguments are given that this non-existence is not connected with the discontinuity of the (ordinary) derivative of the functional with respect to the particle number N as discussed by Perdew and Levy2.",

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year = "1985",

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AU - Eschrig, H.

AU - Kikoin, K. A.

AU - Kohn, V. G.

PY - 1985/1/1

Y1 - 1985/1/1

N2 - The non-existence of the functional derivative of the Hohenberg-Kohn functional at the ground-state density of a semiconductor earlier discussed in the literature2,3 is analyzed. Arguments are given that this non-existence is not connected with the discontinuity of the (ordinary) derivative of the functional with respect to the particle number N as discussed by Perdew and Levy2.

AB - The non-existence of the functional derivative of the Hohenberg-Kohn functional at the ground-state density of a semiconductor earlier discussed in the literature2,3 is analyzed. Arguments are given that this non-existence is not connected with the discontinuity of the (ordinary) derivative of the functional with respect to the particle number N as discussed by Perdew and Levy2.

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U2 - 10.1016/0038-1098(85)90306-0

DO - 10.1016/0038-1098(85)90306-0

M3 - Article

AN - SCOPUS:0022120457

SN - 0038-1098

VL - 56

SP - 773

EP - 775

JO - Solid State Communications

JF - Solid State Communications

IS - 9

ER -

On the semiconductor energy gap in density functional theory

Abstract

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