Elements of Resonance
Magnetic resonance is a phenomenon found in magnetic systems that possess both magnetic moments and angular momentum. As we shall see, the term resonance implies that we are in tune with a natural frequency of the magnetic system, in this case corresponding to the frequency of gyroscopic precession of the magnetic moment in an external static magnetic field. Because of the analogy between the characteristic frequencies of atomic spectra, and because the magnetic resonance frequencies fall typically in the radio frequency region (for nuclear spins) or microwave frequency (for electron spins), we often use the terms radio frequency or microwave spectroscopy.
KeywordsAngular Momentum Electron Spin Resonance Nuclear Resonance Electron Magnetic Resonance External Static Magnetic Field
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