The goal of this note is to survey various
ground states of condensed matter, many particle systems, explore their
excitations and concomitant properties. Topics covered includes: Models,
hamiltonians and symmetries, Periodic potentials or tight-binding models, Many
particles, second quantization and field theoretic formulation, Metals and
insulators, Physics of metals: transport theory, Phonons and electron-phonon
interactions, Electron-electron interactions, Interaction effects in
semiconductors: excitons, Instabilities of fermi liquid, Superconductivity, GL
and BCS theories, Magnetism, Charge density wave systems, Mott transition.

**Author(s):** IISc Bangalore

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