Electron spin qubits[1]in Si have attracted wide attention as potentially viable building blocks for a scalable quantum computer,as illustrated by recent experiments showing highfidelity single-qubit and two-qubit gat...Electron spin qubits[1]in Si have attracted wide attention as potentially viable building blocks for a scalable quantum computer,as illustrated by recent experiments showing highfidelity single-qubit and two-qubit gates[1-4].With magnetic interactions relatively weak and difficult to control,the prevailing means for spin manipulation has been through electrically controlled top gates on the semiconductor heterostructures,helped by a nearby micromagnet and the magnetic field gradient it induces,which leads to an artificial spin-orbit coupling[5].展开更多
文摘Electron spin qubits[1]in Si have attracted wide attention as potentially viable building blocks for a scalable quantum computer,as illustrated by recent experiments showing highfidelity single-qubit and two-qubit gates[1-4].With magnetic interactions relatively weak and difficult to control,the prevailing means for spin manipulation has been through electrically controlled top gates on the semiconductor heterostructures,helped by a nearby micromagnet and the magnetic field gradient it induces,which leads to an artificial spin-orbit coupling[5].
