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Indian Institute of Science Education and Research Berhampur


PHY 620: Magnetism and Superconductivity (4)

Prerequisite: PHY 304: Quantum Mechanics-II

Magnetism: Orbital and spin magnetism without interactions; Exchange interactions; Ferromagnetism, antiferromagnetism, ferrimagnetism, helical order and spin glasses; Measurement of magnetic order; Broken symmetry, Landau theory of ferromagnetism, Heisenberg and Ising model, consequences of broken symmetry, phase transitions and spin waves; Domains and the magnetization process; Itinerant magnetism of metals; Giant, colossal and tunneling magneto resistance; Nuclear magnetic resonance and technological aspects of magnetic materials.

Superconductivity: Properties of conventional (low temperature) superconductors, Meisnner-Ochsenfeld effect, perfect diamagnetism, London and Pippard equation; Type I superconductors and type II superconductors, vortex state, critical fields, interaction of vortices, magnetic properties, surface superconductivity; Ginzburg-Landau theory; BCS theory of superconductivity- electron-phonon interaction, ground state of the superconductor, spectrum of elementary excitations, tunnel effects and measurement of the energy gap; Josephson effect and the quantum interferometers; High Temperature superconductivity.

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