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Three-spin interactions and entanglement in optical lattices

Jiannis K. Pachos
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Abstract

The entanglement properties of some novel quantum systems are studied that are inspired by recent developments in cold-atom technology. A triangular optical lattice of two atomic species can be employed to generate a variety of spin-1/2 Hamiltonians including effective three-spin interactions. A variety of one or two dimensional systems can thus be realized that possess multi-degenerate ground states or non-vanishing chirality. The properties of these ground states and their phase transitions are probed with appropriate measures such as the entropic entanglement and the spin chirality.

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Jiannis K. Pachos. 2005-05-30. Three-spin interactions and entanglement in optical lattices. https://arxiv.org/abs/quant-ph/0505225

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