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Coherent Quantum Information Transfer Between Topological And Conventional Qubits
Coherent Quantum Information Transfer Between Topological And Conventional Qubits
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机译:拓扑和常规量子位之间的相干量子信息传递
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摘要
Computing bus devices that enable quantum information to be coherently transferred between topological and conventional qubits are disclosed. A concrete realization of such a topological quantum bus acting between a topological qubit in a Majorana wire network and a conventional semiconductor double quantum dot qubit is described, The disclosed device measures the joint (fermion) parity of the two different qubits by using the Aharonov-Casher effect in conjunction. with an ancillary superconducting flux qubit that facilitates the measurement. Such a parity measurement, together with the ability to apply Hadamard gates to the two qubits, allows for the production of states in which the topological and conventional qubits are maximally entangled, and for teleporting quantum states between the topological and conventional quantum systems.
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