Quantum Correlations of Ideal Bose and Fermi Gases in the Canonical Ensemble by Kazumasa Tsutsui and Takafumi Kita 2026-10-20
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This primary paper distinguishes canonical ideal-gas reduced density matrices from the grand-canonical Wick factorization. It studies how particle statistics and ensemble choice affect one- and two-body correlations. Its date is later than the examination; it corroborates the state-assumption distinction rather than documenting what was available to candidates in 2013.
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