2018
DOI: 10.48550/arxiv.1811.09011
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Realization of Surface Code Quantum Memory on Systems with Always-On Interactions

Sahar Daraeizadeh,
Sarah Mostame,
Preethika Kumar Eslami
et al.

Abstract: We realize Surface Code quantum memories for nearest-neighbor qubits with always-on Ising interactions. This is done by utilizing multi-qubit gates that mimic the functionality of several gates. The previously proposed Surface Code memories rely on error syndrome detection circuits based on CNOT gates. In a two-dimensional planar architecture, to realize a two-qubit CNOT gate in the presence of couplings to other neighboring qubits, the interaction of the target qubit with its three other neighbors must cancel… Show more

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