## Molecular Physics: Theoretical Principles and Experimental MethodsThe richly illustrated book comprehensively explains the important principles of diatomic and polyatomic molecules and their spectra in two separate, distinct parts. The first part concentrates on the theoretical aspects of molecular physics, such as the vibration, rotation, electronic states, potential curves, and spectra of molecules. The different methods of approximation for the calculation of electronic wave functions and their energy are also covered. The introduction of basics terms used in group theory and their meaning in molecular physics enables an elegant description of polyatomic molecules and their symmetries. Molecular spectra and the dynamic processes involved in their excited states are given its own chapter. The theoretical part then concludes with a discussion of the field of Van der Waals molecules and clusters. The second part is devoted entirely to experimental techniques, such as laser, Fourier, NMR, and ESR spectroscopies, used in the fields of physics, chemistry, biology, and material science. Time-resolved measurements and the influence of chemical reactions by coherent controls are also treated. A list of general textbooks and specialized literature is provided for further reading. With specific examples, definitions, and notes integrated within the text to aid understanding, this is suitable for undergraduates and graduates in physics and chemistry with a knowledge of atomic physics and familiar with the basics of quantum mechanics. |

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Molecular Physics: Theoretical Principles and Experimental Methods Wolfgang Demtröder Limited preview - 2008 |

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absorption allowed angle angular momentum approximation atoms axis beam belonging bond calculated called character clusters coefficients components configuration constant contains contribution coordinates corresponding coupling depends described determined diatomic molecules dipole direction discussed displays distance distribution effect electric electronic energy equal equation example excited experimental field frequency functions given ground Hence hydrogen increases integral intensity interaction internuclear larger laser leads levels linear combination lines magnetic mass means measured method molecular orbitals normal vibrations nuclear nuclear spin nuclei obtain occur oscillator perturbation physics plane point group positions possess possible potential potential curves probability quantum number radiation Raman representation resonance respect rotational rotational levels Sect selection separated shifts shows solutions spectral spectroscopy spectrum splitting structure symmetry symmetry operations Table term term values tion transitions unit values vibrational vibrational levels wavefunctions yields