Anisotropic S = 1/2 Kramers Doublets: g-Matrix, the Tensor G, and Dynamics of the Spin and Magnetic Moment
| Autor: | Alexander G. Maryasov, Michael K. Bowman |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
Magnetic moment Spins Condensed matter physics Isotropy 010402 general chemistry 01 natural sciences Atomic and Molecular Physics and Optics 030218 nuclear medicine & medical imaging 0104 chemical sciences Orientation (vector space) 03 medical and health sciences Paramagnetism 0302 clinical medicine Tensor Anisotropy Spin-½ |
| Zdroj: | Applied Magnetic Resonance. 51:1201-1210 |
| ISSN: | 1613-7507 0937-9347 |
| DOI: | 10.1007/s00723-020-01257-3 |
| Popis: | The properties and dynamics of isotropic electron spins are drastically simpler than for anisotropic spin systems with S = 1/2. The classical rotating coordinate frame with axes moving at the microwave frequency provides convenient descriptions of isotropic electron spins, their magnetic moments and their magnetic resonance behavior but does not provide a suitable description for paramagnetic centers having significant anisotropy in their $$\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\leftrightarrow}$}} {g}$$ matrix. The relative merits of several different frames are discussed including the laboratory frame, a tilted rotating frame and effective field frames. It is seen that simulations of the anisotropic spins are more easily performed with a different frame for each orientation of the spin, but results can be readily visualized in the laboratory frame. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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