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cond-mat.mtrl-sci2003
Coalescence constraints of many-body systems in one dimension
Xiao-Yin Pan, Viraht Sahni
For one-dimensional many-body systems interacting via the \textit{Coulomb force} and with \textit{arbitrary} external potential energy, we derive (\textit{i}) the \textit{node coal…
cond-mat.mtrl-sci2002
Corollary to the Hohenberg-Kohn Theorem
Xiao-Yin Pan, Viraht Sahni
In this paper we construct such a set of `degenerate' Hamiltonians , which differ by an `intrinsic' constant but represent different physical systems yet possess the same…