Producing cluster states in charge qubits and flux qubits |
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Authors: | Tanamoto Tetsufumi Liu Yu-xi Fujita Shinobu Hu Xuedong Nori Franco |
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Affiliation: | Corporate R&D Center, Toshiba Corporation, Kawasaki 212-8582, Japan. |
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Abstract: | We propose a method to efficiently generate cluster states in charge qubits, both semiconducting and superconducting, as well as flux qubits. We show that highly entangled cluster states can be realized by a "one-touch" entanglement operation by tuning gate bias voltages for charge qubits. We also investigate the robustness of these cluster states for nonuniform qubits, which are unavoidable in solid-state systems. We find that quantum computation based on cluster states is a promising approach for solid-state qubits. |
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