Transcription of Theory of Electron Spin Resonance - National MagLab
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Theory of Electron Spin Resonance Masaki Oshikawa ISSP. University of Tokyo 1. Collaborators Shintaro Takayoshi Takafumi Suzuki Yoshitaka Maeda ISSP NIMS. ISSP Hyogo U Tokyo Tech UBC Fujifilm Shunsuke C. Furuya ISSP Geneva + Geneva group Ian Affleck UBC. Kazumitsu Sakai Tokyo Tech UTokyo 2. Electron Spin Resonance (ESR). H. E-M wave Electron spins measure the absorption intensity Typically, microwave to milliwave is used: wavelength >> microscopic scale q 0. 3. ESR of a Single S=1/2.. 4. ESR in Heisenberg AFM. interaction Eigenstates labelled by total spin S and total Sz Transition only occurs when 5. ESR in Heisenberg AFM. interaction Eigenstates labelled by total spin S and total Sz Transition only occurs when ! identical lineshape as in the free spin case?! 5.
Theory of Electron Spin Resonance (II) Masaki Oshikawa (ISSP, UTokyo) 34. S=1/2 Heisenberg AF chain 35 at low temperature: extreme limit of strong quantum fluctuation most difficult problem to handle, with the previous “standard” approaches However, we can formulate ESR
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Introduction to Electron Paramagnetic Resonance, Introduction to Electron Paramagnetic Resonance Spectroscopy, ELECTRON PARAMAGNETIC RESONANCE, Theory, Resonance, Electron, Electron Paramagnetic Resonance: Elementary Theory and, Experiment 7 Electron Spin Resonance, 1/2 g B, What can electron paramagnetic resonance tell, Paramagnetic, PARAMAGNETIC RESONANCE