Opposite sign correlations in fermion or boson gases

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dc.creatorGottlieb, Alex D.
dc.creatorSchumm, Thorsten
dc.date2007-05-24
dc.date.accessioned2026-07-07T08:03:03Z
dc.date.available2026-07-07T08:03:03Z
dc.descriptionWe investigate pair correlations in trapped fermion and boson gases as a means to probe the quantum states producing the density fluctuations. We point out that "opposite sign correlations" (meaning pair correlations that are positive for fermions and negative for bosons) unambiguously indicate that the quantum many-particle state cannot be "free." In particular, a system of fermions that exhibits positive pair correlations cannot be described by any Slater determinant wavefunction. This insight may help one to interpret results of current experiments on ultracold atomic gases.
dc.identifierhttps://arxiv.org/abs/0705.3491
dc.identifierhttp://arxiv.org/abs/0705.3491
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/129440
dc.subjectQuantum Physics
dc.titleOpposite sign correlations in fermion or boson gases
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