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cond-mat.stat-mech2018
Universal off-diagonal long-range order behaviour for a trapped Tonks-Girardeau gas
Andrea Colcelli, Jacopo Viti, Giuseppe Mussardo +1
The scaling of the largest eigenvalue of the one-body density matrix of a system with respect to its particle number defines an exponent and a coefficient $…
cond-mat.stat-mech2018
Deviations from Off-Diagonal Long-Range Order in One-Dimensional Quantum Systems
Andrea Colcelli, Giuseppe Mussardo, Andrea Trombettoni
A quantum system exhibits off-diagonal long-range order (ODLRO) when the largest eigenvalue of the one-body-density matrix scales as , where is the total numb…