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Comment on ‘‘Ability of nonperturbative density-functional theories to stabilize arbitrary solids’’
Phys. Rev. E 52, 5714 – Published 1 November, 1995
DOI: https://doi.org/10.1103/PhysRevE.52.5714
Abstract
Kyrlidis and Brown [Phys. Rev. A 44, 8141 (1991)] assert that the modified weighted density approximation of Denton and Ashcroft [Phys. Rev. A 39, 4701 (1989)] may possess two solutions for the effective density. We show here that it has either one well-defined solution or none, the latter when the physical structure that is attempting to be mapped into an effective liquid does not exist. The absence of a solution when none is expected physically cannot, therefore, be characterized as a defect of the theory.
Comments & Replies
Reply to ‘‘Coherent stochastic resonance in the presence of a field’’
Phys. Rev. E 52, 5712 (1995)
Original Article
Polarization characteristics of spontaneous emission and off-axis coherent gain in a free-electron laser
Phys. Rev. E 52, 5704 (1995)
References (3)
- Agathagelos Kyrlidis and Robert A. Brown, Phys. Rev. A 44, 8141 (1991).
- A. R. Denton and N. W. Ashcroft, Phys. Rev. A 39, 4701 (1989).
- J. F. Lutsko and M. Baus, Phys. Rev. A 41, 6647 (1990).