Rotational Doppler effect in magnetic resonance
We compute the shift in the frequency of the spin resonance in a solid that rotates in the field of a circularly polarized electromagnetic wave. Electron-spin resonance, nuclear magnetic resonance, and ferromagnetic resonance are considered. We show that contrary to the case of the rotating LC circu...
| Authors: | , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2010 |
| Country: | España |
| Institution: | Universidad de Barcelona |
| Repository: | Dipòsit Digital de la UB |
| OAI Identifier: | oai:diposit.ub.edu:2445/34257 |
| Online Access: | https://hdl.handle.net/2445/34257 |
| Access Level: | Open access |
| Keyword: | Ressonància magnètica nuclear Teoria quàntica Magnetisme nuclear Spin (Física nuclear) Nanopartícules Nuclear magnetic resonance Quantum theory Nuclear magnetism Nuclear spin Nanoparticles |
| Summary: | We compute the shift in the frequency of the spin resonance in a solid that rotates in the field of a circularly polarized electromagnetic wave. Electron-spin resonance, nuclear magnetic resonance, and ferromagnetic resonance are considered. We show that contrary to the case of the rotating LC circuit, the shift in the frequency of the spin resonance has strong dependence on the symmetry of the receiver. The shift due to rotation occurs only when rotational symmetry is broken by the anisotropy of the gyromagnetic tensor, by the shape of the body or by magnetocrystalline anisotropy. General expressions for the resonance frequency and power absorption are derived and implications for experiment are discussed. |
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