Dimensionality induced entanglement in macroscopic dimer systems

Details Dimensionality induced entanglement in macroscopic dimer systems Dimensionality induced entanglement in macroscopic dimer systems

2007-07-26

arxiv.org/abs/0707.3882v1

Phys. Rev. A 76, 054302 (2007)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevA.76.054302

We investigate entanglement properties of mixtures of short-range spin-s dimer coverings in lattices of arbitrary topology and dimension. We show that in one spacial dimension nearest neighbour entanglement exists for any spin $s$. Surprisingly, in higher spatial dimensions there is a threshold value of spin $s$ below which the nearest neighbour entanglement disappears. The traditional "classical" limit of large spin value corresponds to the highest nearest neighbour entanglement that we quantify using the negativity.

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