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Entanglement of non-interacting Bose gases

Entanglement in many-body systems of identical particles often resides between modes of the field occupied by particles rather than between the particles themselves, or their internal degrees of freedom. Spatial field modes are an important choice of modes and investigating entanglement between them for a non-interacting Bose gas is the concern of this thesis. A particularly interesting phase of a Bose gas is a Bose-Einstein condensate (BEC). Long-range correlations between all points in space exist in a BEC, which are detected by the single-particle reduced density matrix

Thesis, Dissertation, English, 2008
University of Leeds, Leeds, 2008