Introduction to Solid State Physics


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The course deals with introducing concepts of condensed matter physics to advanced undergraduate and postgraduate students. The course will be pitched at the level of a first year course in MSc in Physics. For this course, an exposure to undergraduate level of: (a) quantum mechanics, (b) statistical and thermal physics and (c) electromagnetic theory, is expected for this course. It is hoped that through this course, the student will understand the quantum theory of solids which is used to describe the thermal and electrical properties of a solid. The student will explore the interaction of a solid with electromagnetic radiation like X-rays and how this can be used to understand the atomic crystal structure of the solid. During the course the student will be exposed to some experiments related to probing various properties of solid


Week 1  :  Introduction to Drudes free electron theory of metals, electrical conductivity Ohms lawand Hall effect 
Week 2  :  Specific heat of an electron gas 
Week 3  :  Behaviour of thermal conductivity of a solid and relationship with electrical conductivity 
Week 4  :  Periodic Arrays of Atoms, Fundamental Types of Lattices, Index System for Crystal Planes 
Week 5  :  Direct Imaging of Atomic Structure, Diffraction of Waves by Crystals, Reciprocal lattice, Brillouin Zones 
Week 6  :  Vibrations of Crystals with Monatomic Basis, Acoustic and Optical modes 
Week 7  :  Two Atoms per Primitive Basis, Quantization of Elastic Waves, Phonon Momentum 
Week 8  :  Phonon contribution to heat capacity, Einstein and Debye theory of specific heat
Week 9  :  Bloch Functions, Nearly Free Electron Model, Kronig-Penney Model 
Week 10  :  Wave Equation of Electron in a Periodic Potential,Band Gap
Week 11  :  Equations of Motion, effective mass, concept of a hole, Intrinsic Carrier Concentration, Impurity Conductivity 
Week 12  :  Superconductivity