Entangling strings of neutral atoms in 1D atomic pipeline structures

Details Entangling strings of neutral atoms in 1D atomic pipeline structures Entangling strings of neutral atoms in 1D atomic pipeline structures

2002-12-06

arxiv.org/abs/quant-ph/0212039v2

Physics

Quantum Physics

4 pages, REVTEX, revised version: improvements in introduction and figures

Scientific paper

10.1103/PhysRevLett.91.073601

We study a string of neutral atoms with nearest neighbor interaction in a 1D beam splitter configuration, where the longitudinal motion is controlled by a moving optical lattice potential. The dynamics of the atoms crossing the beam splitter maps to a 1D spin model with controllable time dependent parameters, which allows the creation of maximally entangled states of atoms by crossing a quantum phase transition. Furthermore, we show that this system realizes protected quantum memory, and we discuss the implementation of one- and two-qubit gates in this setup.

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