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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Muon spin spectroscopy ： ウィキペディア英語版 Muon spin spectroscopy Muon spin spectroscopy is an experimental technique based on the implantation of spin-polarized muons in matter and on the detection of the influence of the atomic, molecular or crystalline surroundings on their spin motion. The motion of the muon spin is due to the magnetic field experienced by the particle and may provide information on its local environment in a very similar way to other magnetic resonance〔Resonance techniques are often characterized by the use of resonant circuits, which is not the case for muon spin spectroscopy. However the true resonant nature of all these techniques, muon spectroscopy included, lies in the very narrow, resonant requirement upon any time dependent perturbation in order for it to effectively influence the probe's dynamics: for every excitation interacting with the muon (lattice vibrations, charge and electronic spin waves) only those spectral components very closely matching the muon precession frequency in the specific experimental condition can cause a significant muon spin motion.〕 techniques, such as electron spin resonance (ESR or EPR) and, more closely, nuclear magnetic resonance (NMR). == Acronym == In analogy with the acronyms for these previously established spectroscopies, the muon spin spectroscopy is also known as µSR, which stands for muon spin rotation, or relaxation, or resonance, depending respectively on whether the muon spin motion is predominantly a rotation (more precisely a precession around a still magnetic field), or a relaxation towards an equilibrium direction, or, again, a more complex dynamics dictated by the addition of short radio frequency pulses. The intention of the mnemonic acronym was to draw attention to the analogy with NMR and ESR. More generally speaking, the abbreviation covers any study of the interactions of the muon's magnetic moment with its surrounding when implanted into any kind of matter. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Muon spin spectroscopy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.