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Course Criteria
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3.00 Credits
(Same as BIO 294.) Physical biology of dynamical and mechanical processes in cells. Emphasis is on qualitative understanding of biological functions through quantitative analysis and simple mathematical models. Sensory transduction, signaling, adaptation, switches, molecular motors, actin and microtubules, motility, and circadian clocks. Prerequisites: differential equations and introductory statistical mechanics. 3 units, alternate years, not given this year
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3.00 Credits
Cryogenics; low signal measurements and noise analysis; data collection and analysis; examples of current experiments. Prerequisites: PHYSICS 170, 171, and 172, or equivalents. 3 units, alternate years, not given this year
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3.00 Credits
Theory and practice. Theoretical and descriptive background for lab experiments, detectors and noise, and lasers (helium neon, beams and resonators, argon ion, cw dye, titanium sapphire, semiconductor diode, and the Nd:YAG). Measurements of laser threshold, gain, saturation, and output power levels. Laser transverse and axial modes, linewidth and tuning, Q-switching and modelocking. Limited enrollment. Prerequisites: EE 231 and 232, or consent of instructor. 3 units, not given this year
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3.00 Credits
Laser interaction with matter. Laser devices provide radiation to explore the linear and nonlinear properties of matter. Experiments on modulation, harmonic generation, parametric oscillators, modelocking, stimulated Raman and Brillouin scattering, coherent anti-Stokes scattering, other four-wave mixing interactions such as wavefront conjugation and optical bistability. Optical pumping and spectroscopy of atomic and molecular species. Limited enrollment. Prerequisites: 304, EE 231 and 232, or consent of instructor. 3 units, not given this year
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3.00 Credits
Methods of bioinformatics and biomolecular modeling from the standpoint of biophysical chemistry. Methods of genome analysis; cluster analysis, phylogenetic trees, microarrays; protein, RNA and DNA structure and dynamics, structural and functional homology; protein-protein interactions and cellular networks; molecular dynamics methods using massively parallel algorithms. 3 units, Aut (Doniach, S), alternate years, not given next year
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3.00 Credits
Physics of particle beams in linear and circular accelerators. Transverse beam dynamics, acceleration, longitudinal beam dynamics, synchrotron radiation, collective instabilities, and nonlinear effects. Topics of current research in accelerator physics. 3 units, Win (Ruth, R), alternate years, not given next year
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3.00 Credits
Historical development and contemporary frontiers of cavity quantum electrodynamics in the optical and microwave domains. Topics include effects of boundary conditions on spontaneous emission, development of strong coupling in experimental systems, fundamental theoretical models, linear and nonlinear phenomenology in the strong coupling regime, optical bistability, input-output theory, photon statistics and single-photon sources, and modern developments in circuit QED. Journal club format; student presentations. 3 units, Win (Mabuchi, H)
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3.00 Credits
Discoveries and experiments in condensed matter physics in the past 15 years. Topics: sliding charge density waves in layer compounds, the first pressure-induced Mott transition and organic superconductor, discovery of superfluid 3He, quasicrystals, the Sharvin effect, the quantum Hall effect, and reentrant superconductivity. Journal club format; student presentations. 3 units, Win (Beasley, M), alternate years, not given next year
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3.00 Credits
Atomic spectroscopy, matrix elements using the Coulomb approximation, summary of Racah algebra, oscillator and line strengths, Einstein A coefficients. Radiative processes, Hamiltonian for two- and three-state systems, single- and multi-photon processes, linear and nonlinear susceptibilities, density matrix, brightness, detailed balance, and electromagnetically induced transparency. Inelastic collisions in the impact approximation, interaction potentials, Landau-Zener formulation. Continuum processes, Saha equilibrium, autoionization, and recombination. 3 units, Win (Bucksbaum, P), alternate years, not given next year
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3.00 Credits
Postulates in quantum mechanics and quantum optics: Heisenberg's uncertainty principle, von Newmann's projection hypothesis, quantum non-demolition measurements, quantum states of light, cavity quantum electrodynamics, nonlocality and quantum entanglement. Second quantization of bosonic and fermionic fields; Glauber, Fock, Dicke, and Bloch states, first- and second-order coherence, quantum interference. Reservoir theory of open systems: Markoff and Born approximations, density operator master, Fokker- Planck, quantum Langevin, stochastic differential equations, quantum Monte-Carlo wavefunction method. 3 units, alternate years, not given this year
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