Microtrap arrays on magnetic film atom chips for quantum information science
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- Leung, V.Y.F., Tauschinsky, A., van Druten, N.J. et al. Quantum Inf Process (2011) 10: 955. doi:10.1007/s11128-011-0295-1
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We present two different strategies for developing a quantum information science platform, based on our experimental results with magnetic microtrap arrays on a magnetic-film atom chip. The first strategy aims for mesoscopic ensemble qubits in a lattice of ~5 μm period, so that qubits can be individually addressed and interactions can be mediated by Rydberg excitations. The second strategy aims for direct quantum simulators using sub-optical lattices of ~100 nm period. These would allow the realization of condensed matter inspired quantum many-body systems, such as Hubbard models in new parameter regimes. The two approaches raise quite different issues, some of which are identified and discussed.