Dielectric relaxation and dynamics of polar molecules
著者
書誌事項
Dielectric relaxation and dynamics of polar molecules
（World Scientific series in contemporary chemical physics, vol. 8）
World Scientific, c1999
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
The topics covered in this book provide a qualitative and sometimes quantitative classic description of the wide-band 0-THz dielectric spectra of polar liquids, molecular libration-rotation (which is the reason for dielectric loss and absorption of electromagnetic waves), simple molecular models differing by the intermolecular-potential profiles, and present a comparison between the theoretical and experimental dependencies and derivation of the main results. A new feature is the application of a number of analytical models to different substances, including strongly absorbing nonassociating liquids, liquid water, water bound by macromolecules, and gas-like liquids. The presentation of the theory in this book is also new. It is based on the dynamic method in which the Brownian reorientations are considered implicitly, without direct solution of stochastic equations. This approach simplifies the theory. Senior students and experimentalists will find many of the results valuable.
目次
- Part 1 Dielectric and related spectra and their interpretation: definitions and interrelations between physical quantities encountered in the theory of dielectrics
- Debye relaxation and Poley absorption regions in individual polar liquids
- solutions of polar molecules in nonpolar solvent. Part 2 general expressions for the propagation constant in anisotropic media: implications of the Maxwell's equations with field sources for an ensemble of polar molecules
- effective susceptibility x(w) as a functional of the steady state law of motion and the distribution functions
- Debye relaxation as the low frequency limit of the susceptibility x(w). Part 4 Spectral functions for a number of intermolecular potentials: classical and quantum theories for a model of free rotation between collisions
- librators confined by rigid walls
- field models with cos theta- and cos2 theta-potential profiles. Part 4: theoretical description of experimental spectra: effect of potential well depth on dielectric spectra in non-associating liquids
- effect of solvent on the dielectric behaviour of polar molecules
- effect of collisions on rotational spectra of gases.
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