Absence of discontinuity in the exchange-correlation potential in the band-gap problem at finite temperature
- 15 January 1989
- journal article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 39 (2) , 1369-1371
- https://doi.org/10.1103/physrevb.39.1369
Abstract
It is shown that there exists no discontinuity in the q=0 component of the exchange-correlation potential in the band-gap problem in the finite-temperature density-functional theory. The physical implication of this result is pointed out.Keywords
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