## Applications of Statistical Thermodynamics and Spectroscopy

#### Experimental and theoretical basis of spectroscopy, cont'd

(**i**) Generation of electromagnetic radiation by physical and
chemical systems; common features and differences between radiation
belonging to the extrema of the electromagnetic spectrum; (**ii**)
Physical nature af radiation, physical meaning of intensity,
experimental methods for the determination of h, ambivalent properties
of photons, waves and particles; (**iii** ) Heisenberg's uncertainty
principle with respect to chemical and physical vacuum, aspects of
geometrical optics, radiation damping, superposition of waves;
(**iv**) Detection of radiation, principe of rectification,
modulation and demodulation, linear and non-linear systems, frequency
multiplication, phase sensitive detection; (**v**) Interaction with
material systems; effects of electromagnetic waves on matter
(absorption, emission, polarisation, dielectric, electric and magnetic
effects, elastic and inelastic scattering effects), analytical-chemical
implications; generation of chemically relevant information at the
interaction of radiation with matter; determination of characteristic
physico-chemical properties of matter; (**vi**) Oscillating circuits
and resonant cavities in atomar and radio-frequency systems;
measurements of frequency and quality factors of resonant cavities,
magnetic resonance experiments in radio-frequency and in γ-ray regions,
chemical and physical aspects of MASERS and LASERS; (**vii**)
Mathematical treatments of the electromagnetic phenomena,
Maxwell-equations, fields, waves, density of electromagnetic energy,
relations to quantum mechanics, wave equations, coherence,
decoherence.

*P.W. Atkins "Physikalische Chemie", Wiley-VCH, 2002;*

*C. Gerthsen, H. Vogel "Physik", Springer Verlag, 1982;*

*H. Haken, H. C. Wolf "Atom- und Quantenphysik", Springer Verlag,
1980;*

*H. Haken, H. C. Wolf "Molekülphysik und Quantenchemie", Springer
Verlag, 1994;*

#### Optical spectroscopy

**Principles & applications:** Interaction of electromagnetic
fields with matter, dipole approximation; selection rules, atomic
spectroscopy, absorption laws and determination of radiation, lifetimes
and line shape functions.

**Rotational and vibrational spectroscopy, IR- and Raman
spectroscopy:** Molecular symmetry, linear rotor, symmetric rotor,
spherical rotor, quantitative analysis, diatomic molecules,
vibration-rotation spectroscopy, IR-spectra, Raman-Spectra, selection
rules, polyatomic molecules.

**Ultraviolet/Visible absorption and fluorescence spectroscopy:**
Diatomic molecules, transition dipole moment, Franck-Condon-Principle
and Franck-Condon-Factor, polyatomic molecules, luminescence
spectroscopy.

**Modern spectroscopic techniques:** Lasers and laser
spectroscopy, multiphoton laser spectroscopy, synchrotron radiation
(BESSY II and other sources), free electron laser spectroscopy and its
applications.

**Statistical Thermodynamics (Applications):** Free energy,
partition functions for rotation, vibration and translation and
electronic excitation; chemical potential and thermodynamical
properties, chemical equilibria, theory of transition states;

*G. Wedler, "Lehrbuch der Physikalischen Chemie", Wiley-VCH,
1997.*

*P. W. Atkins, "Physikalische Chemie", Wiley-VCH, 2002, "Physical
Chemistry", Oxford University Press,*

*J. M. Hollas, "Modern Spectroscopy", Wiley & Sons Ltd.,
1992*

Further Reading

*G. Herzberg"Infrared and Raman Spectra", Van Nostrand, New York
(1945 )*

*F. A. Hopf, G. I. Stegeman: "Applied Classical Electrodynamics",
Krieger Publishing, Vol. I*