Quantum Correlations of Ideal Bose and Fermi Gases in the Canonical Ensemble

12 Oct 2016 Tsutsui Kazumasa Kita Takafumi

We derive an expression for the reduced density matrices of ideal Bose and Fermi gases in the canonical ensemble, which corresponds to the Bloch--De Dominicis (or Wick's) theorem in the grand canonical ensemble for normal-ordered products of operators. Using this expression, we study one- and two-body correlations of homogeneous ideal gases with $N$ particles... (read more)

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Categories


  • STATISTICAL MECHANICS
  • QUANTUM GASES
  • STRONGLY CORRELATED ELECTRONS
  • SUPERCONDUCTIVITY