Understanding Spin Dynamics

ISBN: 9789814463492 出版年：2015 页码：264 Kruk, Danuta Jenny Stanford Publishing

Preface Classical description of spin resonance Larmor precession and Bloch equations Introduction to spin relaxation The nature of relaxation processes Correlation functions and spectral densities The simplest relaxation formula Bi-exponential relaxation Formal theory of spin relaxation The concept of density operator The Liouville von Neumann equation and relaxation rates Liouville space and Redfield kite Validity range of the perturbation theory Spin relaxation in time domain Spin resonance lineshape analysis The concept of spin resonance spectrum Spin resonance spectrum and motion Examples of spin resonance spectra Rigid spectra and the lineshape theory Spin resonance spectra and correlation functions Spin relaxation - a more general approach Generalized spectral densities Residual dipolar interactions Interference effects Cross-correlation effects Hierarchy of spin relaxation processes Electron spin resonances of spins 1/2 ESR spectra and scalar interactions for 15N systems ESR spectra and scalar interactions for 14N systems ESR spectra at low frequencies g - tensor anisotropy Nuclear spin relaxation in paramagnetic liquids Proton relaxation and hyperfine coupling Translational dynamics in paramagnetic liquids Effects of electron spin relaxation Hilbert space and spin relaxation Spin resonance beyond perturbation range Intermediate spin resonance spectra Stochastic Liouville formalism 2H NMR spectroscopy and motional heterogeneity 2H NMR spectroscopy and mechanism of motion Deviations from perturbation approach Dipolar relaxation and quadrupolar interactions Quadrupole relaxation enhancement (QRE) Perturbation approach to Quadrupole Relaxation Enhancement Polarization transfer QRE and internal dynamics of molecules Effects of mutual spin interactions ESR spectra for interacting paramagnetic centres Interference effects for nitroxide radicals Spin interactions and molecular geometry Dynamic Nuclear Polarization Principles of Dynamic Nuclear Polarization (DNP) DNP and ESR Spectrum Anisotropic and Internal Dynamics Anisotropic rotation Internal dynamics Index