Information-Theoretic Comparison of Quantum Many-Body Systems

Details Information-Theoretic Comparison of Quantum Many-Body Systems Information-Theoretic Comparison of Quantum Many-Body Systems

2003-05-19

arxiv.org/abs/quant-ph/0305106v1

Physics

Quantum Physics

10 pages, 4 figures

Scientific paper

An information measure inspired by Onicescu's information energy and Uffink's information measure (recently discussed by Brukner and Zeilinger) are calculated as functions of the number of particles $N$ for fermionic systems (nuclei and atomic clusters) and correlated bosonic systems (atoms in a trap). Our results are compared with previous ones obtained for Shannon's information entropy, where a universal property was derived for atoms, nuclei, atomic clusters and correlated bosons. It is indicated that Onicescu's and Uffink's definitions are finer measures of information entropy than Shannon's.

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