Phys. Rev. Lett. 93, 173001 (2004) [4 pages]Lack of Hohenberg-Kohn Theorem for Excited StatesSee Also: Publisher's Note Received 11 April 2004; published 18 October 2004; corrected 13 January 2005 For a given excited state there exist densities that arise from more than one external potential. This is due to a qualitatively different energy-density relationship from that of the ground state and is related to positive eigenvalues in the nonlocal susceptibility for excited states. Resulting problems with the generalization of the density functional methodology to excited states are discussed. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.173001
DOI:
10.1103/PhysRevLett.93.173001
PACS:
31.15.Ew, 71.15.Qe
See AlsoPublisher's Note: R. Gaudoin and K. Burke, Publisher's Note: Lack of Hohenberg-Kohn Theorem for Excited States [Phys. Rev. Lett. 93, 173001 (2004)], Phys. Rev. Lett. 94, 029901 (2005). |
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