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1 - 10 of 45 results for: APPPHYS

APPPHYS 77N: Functional Materials and Devices

Preference to freshmen. Exploration via case studies how functional materials have been developed and incorporated into modern devices. Particular emphasis is on magnetic and dielectric materials and devices. Recommended: high school physics course including electricity and magnetism.
Terms: Aut, last offered Autumn 2013 | Units: 3 | UG Reqs: GER:DB-EngrAppSci, WAY-SMA | Grading: Letter or Credit/No Credit
Instructors: Suzuki, Y. (PI)

APPPHYS 79N: Energy Options for the 21st Century

Preference to freshmen. Choices for meeting the future energy needs of the U.S. and the world. Basic physics of energy sources, technologies that might be employed, and related public policy issues. Trade-offs and societal impacts of different energy sources. Policy options for making rational choices for a sustainable world energy economy.
Terms: Aut | Units: 3 | UG Reqs: GER:DB-EngrAppSci, WAY-SMA | Grading: Letter or Credit/No Credit

APPPHYS 201: Electrons and Photons (PHOTON 201)

Applied Physics Core course appropriate for graduate students and advanced undergraduate students with prior knowledge of elementary quantum mechanics, electricity and magnetism, and special relativity. Interaction of electrons with intense electromagnetic fields from microwaves to x- ray, including electron accelerators, x-ray lasers and synchrotron light sources, attosecond laser-atom interactions, and x-ray matter interactions. Mechanisms of radiation, free-electron lasing, and advanced techniques for generating ultrashort brilliant pulses. Characterization of electronic properties of advanced materials, prospects for single-molecule structure determination using x-ray lasers, and imaging attosecond molecular dynamics.
Terms: Win | Units: 4 | Grading: Letter or Credit/No Credit

APPPHYS 203: Atoms, Fields and Photons

Applied Physics Core course appropriate for graduate students and advanced undergraduate students with prior knowledge of elementary quantum mechanics, electricity and magnetism, and ordinary differential equations. Structure of single- and multi-electron atoms and molecules, and cold collisions. Phenomenology and quantitative modeling of atoms in strong fields, with modern applications. Introduction to quantum optical theory of atom-photon interactions, including quantum trajectory theory, mechanical effects of light on atoms, and fundamentals of laser spectroscopy and coherent control.
Terms: Spr | Units: 4 | Grading: Letter or Credit/No Credit

APPPHYS 204: Quantum Materials

Applied Physics Core course appropriate for graduate students and advanced undergraduate students with prior knowledge of elementary quantum mechanics. Introduction to materials and topics of current interest. Topics include superconductivity, magnetism, charge and spin density waves, frustration, classical and quantum phase transitions, multiferroics, and interfaces. Prerequisite: elementary course in quantum mechanics.
Terms: Win | Units: 4 | Grading: Letter or Credit/No Credit

APPPHYS 207: Laboratory Electronics

Lecture/lab emphasizing analog and digital electronics for lab research. RC and diode circuits. Transistors. Feedback and operational amplifiers. Active filters and circuits. Pulsed circuits, voltage regulators, and power circuits. Precision circuits, low-noise measurement, and noise reduction techniques. Circuit simulation tools. Analog signal processing techniques and modulation/demodulation. Principles of synchronous detection and applications of lock-in amplifiers. Common laboratory measurements and techniques illustrated via topical applications. Limited enrollment. Prerequisites: undergraduate device and circuit exposure.
Terms: Win | Units: 4 | Grading: Letter (ABCD/NP)
Instructors: Fox, J. (PI)

APPPHYS 220: Applied Electrodynamics

Techniques for general electrodynamics, illustrated by examples from geophysics, microwave engineering, optical devices, accelerators, antennas, and plasma physics. RF/microwave structure representations, scattering matrices, treatments for periodic systems. Perturbation and variational techniques applied to approximate solutions, fundamentals of numerical techniques. Analysis methods via expansions in terms of natural modes. Introduction to finite element methods via the application of variational techniques. Laboratory experiments including time domain and frequency domain methods. Solutions of inverse electrodynamic problems via perturbation techniques coupled with lab measurements (such as estimation of a physical structure via experimental measurements and formal models). Prerequisites: PHYSICS 121, MATH 106 and MATH 132, or equivalent experience.
Terms: Win, alternate years, not given next year | Units: 3 | Grading: Letter or Credit/No Credit
Instructors: Tantawi, S. (PI)

APPPHYS 223B: Nonlinear Dynamics: This Side of Chaos

Linear dynamics, periodic systems, Hamiltonian motion and phase space. The physics of nonlinear motion: thinking in phase space. Perturbation theory, periodic orbits, resonances, stability and instability. Integrability and symplectic integration. The KAM theorem and renormalization description of the transition to chaos. Dissipation and bifurcation. Application of methods to nanoscience, lasers and accelerators, condensed matter physics and biophysics. Prerequisites: differential equations and classical mechanics.
Terms: Aut, alternate years, not given next year | Units: 3 | Grading: Letter or Credit/No Credit
Instructors: Ruth, R. (PI)

APPPHYS 272: Solid State Physics (PHYSICS 172)

Introduction to the properties of solids. Crystal structures and bonding in materials. Momentum-space analysis and diffraction probes. Lattice dynamics, phonon theory and measurements, thermal properties. Electronic structure theory, classical and quantum; free, nearly-free, and tight-binding limits. Electron dynamics and basic transport properties; quantum oscillations. Properties and applications of semiconductors. Reduced-dimensional systems. (Graduate student enrollees will be required to complete additional assignments in a format determined by the instructor.) Undergraduates should register for PHYSICS 172 and graduate students for APPPHYS 272. Prerequisites: PHYSICS 170 and PHYSICS 171, or equivalents. Same as APPPHYS 272.
Terms: Spr | Units: 3 | Grading: Letter or Credit/No Credit

APPPHYS 273: Solid State Physics II

Introduction to the many-body aspects of crystalline solids. Second quantization of phonons, anharmonic effects, polaritons, and scattering theory. Second quantization of Fermi fields. Electrons in the Hartree-Fock and random phase approximation; electron screening and plasmons. Magnetic exchange interactions. Electron-phonon interaction in ionic/covalent semiconductors and metals; effective attractive electron-electron interactions, Cooper pairing, and BCS description of the superconducting state. Prerequisite: APPPHYS 272 or PHYSICS 172.
Terms: Aut | Units: 3 | Grading: Letter or Credit/No Credit
Instructors: Hwang, H. (PI)
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