Quantum computing and quantum simulation with group-II atoms |
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Authors: | Andrew J Daley |
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Affiliation: | (1) JILA, University of Colorado, UCB 440, Boulder, CO 80309, USA |
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Abstract: | Recent experimental progress in controlling neutral group-II atoms for optical clocks, and in the production of degenerate
gases with group-II atoms has given rise to novel opportunities to address challenges in quantum computing and quantum simulation.
In these systems, it is possible to encode qubits in nuclear spin states, which are decoupled from the electronic state in
the 1S0 ground state and the long-lived 3P0 metastable state on the clock transition. This leads to quantum computing scenarios where qubits are stored in long lived
nuclear spin states, while electronic states can be accessed independently, for cooling of the atoms, as well as manipulation
and readout of the qubits. The high nuclear spin in some fermionic isotopes also offers opportunities for the encoding of
multiple qubits on a single atom, as well as providing an opportunity for studying many-body physics in systems with a high
spin symmetry. Here we review recent experimental and theoretical progress in these areas, and summarise the advantages and
challenges for quantum computing and quantum simulation with group-II atoms. |
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