Spatial Entanglement of Formation in Thermal States of One or Two Identical Non-Interacting Massive Bosons
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- Bradford, R.A.W. Int J Theor Phys (2009) 48: 2328. doi:10.1007/s10773-009-0022-1
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The entanglement of formation (EoF) between one-dimensional spatial regions is calculated for one and two identical, non-interacting, non-relativistic bosons. Thermal states are approximated by mixtures of up to 13 energy eigenstates. The EoF is found to diminish as inverse temperature to a power of ∼0.62 in one spatial dimension.