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1篇 您的检索式:作者名="Musang Gong"
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1Experimental measurement of the quantum geometric tensor using coupled qubits in diamond显示文摘Geometry and topology are fundamental concep ts,which underlie a wide range of fascinating physical phenomena such as topological states of matter and topological defects.In quantum mechanics,the geometry of quantum states is fully captured by the quantum geometric tensor.Using a qubit formed by an NV center in diamond;we perform the first experimental measurement of the complete quantum geometric tensor.Our approach builds on a strong connection between coherent Rabi oscillations upon parametric modulations and the quantum geometry of the underlying states.We then apply our method to a system of two interacting qubits,by exploiting the coupling between the NV center spin and a neighboring13 C nuclear spin.Our results establish coherent dynamical'responses as a versatile probe for quantum geometry,and they pave the way for the detection of novel topological phenomena in solid state.Min Yu Pengcheng Yang Musang Gong Qingyun Cao Qiuyu Lu Haibin Liu Shaoliang Zhang Martin B.Plenio Fedor Jelezko Tomoki Ozawa Nathan Goldman Jianming Cai 2020National Science Review2020,7,2:0
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