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υ-representability of one-body density matrices

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Abstract
We consider low-dimensional model systems with a fixed two-body interaction and a variable (nonlocal) one-body potential. It is shown explicitly that an extended domain of allowed (N-representable) one-body density matrices cannot be generated in this way, the excluded domain depending on the two-body interaction under consideration. This stands in contrast to the behavior of the diagonal part of the density matrix.
Keywords
FUNCTIONALS, GROUND-STATE, SKYRME-TYPE INTERACTION, STATE PROPERTIES, NUCLEAR-STRUCTURE CALCULATIONS

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Chicago
Van Neck, Dimitri, Michel Waroquier, Karel Peirs, Veronique Van Speybroeck, and Yves Dewulf. 2001. “Υ-representability of One-body Density Matrices.” Physical Review A 64 (4).
APA
Van Neck, D., Waroquier, M., Peirs, K., Van Speybroeck, V., & Dewulf, Y. (2001). υ-representability of one-body density matrices. PHYSICAL REVIEW A, 64(4).
Vancouver
1.
Van Neck D, Waroquier M, Peirs K, Van Speybroeck V, Dewulf Y. υ-representability of one-body density matrices. PHYSICAL REVIEW A. 2001;64(4).
MLA
Van Neck, Dimitri, Michel Waroquier, Karel Peirs, et al. “Υ-representability of One-body Density Matrices.” PHYSICAL REVIEW A 64.4 (2001): n. pag. Print.
@article{137987,
  abstract     = {We consider low-dimensional model systems with a fixed two-body interaction and a variable (nonlocal) one-body potential. It is shown explicitly that an extended domain of allowed (N-representable) one-body density matrices cannot be generated in this way, the excluded domain depending on the two-body interaction under consideration. This stands in contrast to the behavior of the diagonal part of the density matrix.},
  articleno    = {042512},
  author       = {Van Neck, Dimitri and Waroquier, Michel and Peirs, Karel and Van Speybroeck, Veronique and Dewulf, Yves},
  issn         = {1050-2947},
  journal      = {PHYSICAL REVIEW A},
  keywords     = {FUNCTIONALS,GROUND-STATE,SKYRME-TYPE INTERACTION,STATE PROPERTIES,NUCLEAR-STRUCTURE CALCULATIONS},
  language     = {eng},
  number       = {4},
  pages        = {3},
  title        = {υ-representability of one-body density matrices},
  url          = {http://dx.doi.org/10.1103/PhysRevA.64.042512},
  volume       = {64},
  year         = {2001},
}

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