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    量子相干性和量子模拟

    报告人:范桁 教授,中国科学院物理研究所

    报告时间:2017年6月8 15:00

    报告地点:知新楼C座1011/1013会议室

    邀请人:仝殿民 教授

    报告内容摘要

    Quantum coherence is the fundamental reason for the significant phenomena differing from our everyday life such as uncertainty principle, entanglement and contextuality in quantum mechanics. Recently, the problem of quantifying coherence has been attracting a great deal of interests. We will report some main progresses in research of this field. As an example, we observe that quantum coherence as resource should satisfy relations due to uncertainty principle in entropic representation. Experimentally, we demonstrate the coherence resource and entropic uncertainty relations in three measurements bases by a natural three dimensional solid-state systems: the nitrogen-vacancy (NV) center in pure diamond. The experimental data agrees well with theoretical expectation. In a different experiment, we show that valley qubit can demonstrate the quantum coherence.