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三自旋体系核自旋单重态的制备与单重态二维谱的实现
胡凯瑞,杨雪,黄志明,辛家祥,魏达秀*(),姚叶锋*()
Preparing Nuclear Spin Singlet State in a Three-spin System and Its Application in 2D Spectrum
Kai-rui HU,Xue YANG,Zhi-ming HUANG,Jia-xiang XIN,Da-xiu WEI*(),Ye-feng YAO*()

图3. (a) OCI作用于孤立二自旋体系（假定不存在Hb对Ha、Ha′的耦合，只存在Ha、Ha′的耦合）时状态的演化；(b) OCI'作用于三自旋体系（实际耦合情况）时状态的演化；(c) OCI作用于三自旋体系时状态的演化

Fig.3. (a) The evolution trajectory of the spin states in a two-spin system (assume no J-coupling between Hb and Ha, Ha') operated by the pulse OCI; (b) The evolution trajectory of the spin states in an actual three-spin system operated by the pulse OCI'; (c) The evolution trajectory of the spin states in a three-spin system operated by the pulse OCI