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Physics PHYCS 489. Solid State Physics, I Crystalline perfection, free electron gas, screening, plasma oscillations, and dielectric response; Bloch electrons, Brillouin zones, and band structure; semiconductors, intrinsic and extrinsic, with applications; phonons, elasticity, and anharmonicity; ferromagnetism and second-order phase transitions; superconductivity. Prerequisite: PHYCS 361 or consent of instructor; and PHYCS 480. 1 unit.