Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance

Sjolander Tobias F.; Tayler Michael C. D.; King Jonathan P.; Budker Dmitry; Pines Alexander

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Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance

机译：零场核磁共振中的跃迁选择脉冲

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We use low-amplitude, ultralow frequency pulses to drive nuclear spin transitions in zero and ultralow magnetic fields. In analogy to high-field NMR, a range of sophisticated experiments becomes available as these allow narrow-band excitation. As a first demonstration, pulses with excitation bandwidths 0.5-5 Hz are used for population redistribution, selective excitation, and coherence filtration. These methods are helpful when interpreting zero- and ultralow-field NMR spectra that contain a large number of transitions.

机译：我们使用低振幅，超低频脉冲来驱动零和超低磁场中的核自旋跃迁。与高场NMR类似，由于可以进行窄带激发，因此可以进行一系列复杂的实验。作为第一个演示，激发带宽为0.5-5 Hz的脉冲用于总体重新分布，选择性激发和相干滤波。这些方法在解释包含大量跃迁的零场和超低场NMR光谱时非常有用。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2016年第25期|共6页
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Sjolander Tobias F.; Tayler Michael C. D.; King Jonathan P.; Budker Dmitry; Pines Alexander;
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1. Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance [J] . Sjolander Tobias F., Tayler Michael C. D., King Jonathan P., The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2016,第25期

机译：零场核磁共振中的跃迁选择脉冲
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Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance

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