Spin and Magnetic Resonance
Brief introduction of spin formalism. Spin and magnetic moment. Pauli equation, describing behavior of spin in magnetic field. Motion in constant field B0.Principle of magnetic resonance: combination of large constant field B0 with small field B1(t), rotating in the plane perpendicular to B0. Motion of spin in a coordinate system which rotates with B1 (and in which the total field is constant) and in a coordinate system which is at rest in the laboratory. At resonance the direction of the spin expectation value is completely inverted. Rabi formula describing the resonance form.
KeywordsResonance Form Larmor Frequency Physical Concept Spin Formalism Fixed Frame
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