KUK - LMS

Syllabus

MODULE NO / UNIT	COURSE SYLLABUS CONTENTS OF MODULE	NOTES
Course Code: PHY 402 Course Name: Atomic and Molecular Physics
1	Atomic Physics (12 hrs.) Qualitative description of H-atom Spectrum, Physical interpretation of quantum numbers, Pauli principle and the building-up principle, Space Quantization: Stern-Gerlach experiment, spectrum of He-atom: its quantum mechanical description and Heisenberg resonance, LS and jj Coupling, Terms for equivalent & non-equivalent electron atom, Branching rule, Normal & anomalous Zeeman effect, Stark Effect, Paschen – Back effect; Intensities of spectral lines: General selection rule; Hyperfine structure of Spectra lines: Isotope effect and effect of Nuclear Spin.
2	Molecular Physics (12 hrs.) Rotation of molecules: Classification of molecules, Interaction of radiation with rotating molecules, Rotational spectra of rigid diatomic molecules, Isotope effect in rotational spectra, Intensity of rotational lines, Non rigid rotator, Information derived from rotational spectra; Infrared spectroscopy: The vibrating diatomic molecule, The diatomic vibrating-rotator spectra of diatomic molecules, Infrared spectrophotometer; Raman Spectroscopy: Introduction, Pure rotational Raman spectra, Vibrational Raman Spectra, Nuclear Spin and intensity alternation in Raman spectra, Isotope effect, Raman Spectrometer.
3	Electronic Spectra of diatomic molecules and Fluorescence spectroscopy (12 hrs.) Born Oppenheimer approximation, Vibrational coarse structure of electronic bands, Progression and sequences, Intensity of electronic bands-Frank Condon Principle, Dissociation and pre-dissociation, Dissociation energy; Rotational fine structure of electronic bands, The Fortrat parabole, Electronic structure of diatomic molecules; UV-Visible Absorption spectroscopy, Lambert-Beer law, Absorption spectrometer, Fluorescence spectroscopy: Fluorescence and Phosphorescence, Kasha‟s rule, Quantum Yield, Non-radiative transition, Jablonski Diagram, Spectrofluorometer, Time resolved fluorescence and determination of excited state lifetime.
4	Resonance Spectroscopy (12 hrs.) NMR: Basic principles, Classical and quantum mechanical description, Bloch equations, Spin-spin and spin-lattice relaxation times, Chemical shift, isotropy and anisotropy in chemical shift and coupling constant, NMR spectrometer, Experimental methods – Single coil and double coil methods, High resolution methods; ESR: Basic principles, ESR spectrometer, nuclear interaction and hyperfine structure, relaxation effects, g-factor, Characteristics, Free radical studies and biological applications.