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Detailed Information

Programs of Study

The Department of Applied Physics and Applied Mathematics offers graduate study leading to the degrees of Master of Science (M.S.), Doctor of Engineering Science (Eng.Sc.D.), and Doctor of Philosophy (Ph.D.).

The following fields of research (topics of emphasis in parentheses) are available for doctoral study: theoretical and experimental plasma physics (fusion and space plasmas), applied mathematics (analysis of partial differential equations, large-scale scientific computing, nonlinear dynamics, inverse problems, medical imaging, geophysical/geological fluid dynamics, and biomathematics), solid-state physics (semiconductor, surface, low-dimensional physics, and molecular electronics), optical and laser physics (laser interactions with matter), nuclear science (medical applications), earth science (atmosphere, ocean, and climate science and geophysics), and materials science and engineering (thin films; nanomaterials; electronic, optical, and magnetic materials; and mechanical response of materials). Successful completion of 30 points (semester hours) or more of approved graduate course work beyond the master’s degree is required for the doctoral degree. Candidates must pass written and oral qualifying exams and successfully defend an approved dissertation based on original research. For the M.S. degree, candidates must successfully complete a minimum of 30 points of credit of approved graduate course work at Columbia. A 36-point CAMPEP-approved M.S. degree in medical physics is offered in collaboration with faculty members from the College of Physicians and Surgeons and the Mailman School of Public Health. It prepares students for professional careers in medical physics and provides preparation for the ABR certification exam.

Research Facilities

Research equipment in the Plasma Physics Laboratory includes a toroidal high-beta tokamak for basic and applied research, a steady-state plasma experiment using a linear magnetic mirror, a large laboratory collisionless terrella used to investigate space plasma physics, and the CNT stellarator for nonneutral and antimatter plasma research. The plasma physics group is jointly operating a plasma confinement experiment, LDX, with MIT, incorporating a levitated superconducting ring. The plasma physics group is also actively involved in the NSTX experiment at the Princeton Plasma Physics Laboratory and on the DIII-D Tokamak at General Atomics in San Diego and is part of the U.S. national effort on the ITER project. Research equipment in the solid-state physics and laser physics laboratories includes extensive laser and spectroscopy facilities, a clean room that includes photolithography and thin-film fabrication systems, ultrahigh-vacuum surface preparation and analysis chambers, direct laser writing stations, a molecular-beam epitaxy machine, picosecond and femtosecond lasers, and diamond anvil cells. Research is also conducted in the shared characterization laboratories operated by the NSF Materials Research Science and Engineering Center, the NSF Nanoscale Science and Engineering Center, and the DOE Energy Frontier Research Center, which focuses on conversion of sunlight into electricity in nanometer-sized thin films. Materials science and engineering facilities include transmission and scanning electron microscopes, scanning tunneling microscopes and atomic-force microscopes, X-ray diffractometers, an ellipsometer, an X-ray photoelectron spectrometer, laser processing equipment, and mechanical testing equipment. Magnetic and electrical measurement characterization equipment is also available.

There are research opportunities in medical physics at the Columbia–Presbyterian Medical Center, as well as at other medical institutes, employing state-of-the-art medical diagnostic imaging and treatment equipment.

The Applied Mathematics Division is closely linked with the Lamont Doherty Earth Observatory (LDEO), with 5 faculty members sharing appointments in the Department of Earth and Environmental Sciences and with the NASA Goddard Institute for Space Studies (GISS). There are also close ties with Columbia’s Center for Computational Biology and Bioinformatics (C2B2) and Columbia’s Center for Computational Learning Systems (CLASS).

The Department maintains an extensive network of workstations and desktop computers. It has recently acquired a SiCortex supercomputer with 1458 cores which is used for a wide range of departmental computational activities. The research of the plasma physics group is supported by a dedicated data acquisition/data analysis system. Computational researchers have local access to Columbia’s 256-processor Linux cluster and to supercomputer systems at the National Center for Atmospheric Research and the Lawrence Berkeley, Brookhaven, and Oak Ridge National Laboratories.

Financial Aid

Financial support is awarded to doctoral candidates only on a competitive basis in the form of assistantships that provide a stipend, a tuition allowance, and medical fees. For 2009–10, the stipend for teaching assistants is $22,500 for nine months; for research assistants, the stipend is $30,000 for twelve months.

Cost of Study

For 2009–10, full-time tuition (RU) for the academic year is $35,396; for Master’s degree and for part-time study, the cost is $1310 per credit. In addition to medical fees (approximately $2350), annual fees are approximately $550–$650.

Living and Housing Costs

The cost of on-campus, single-student housing (dormitories, suites, and apartments) ranges from $3000 to $5600 per term; married student accommodations range from $1300 to $1800 per month. For the single student, a minimum of $22,000 should be allowed for board, room, and personal expenses for the academic year.

Student Group

Approximately 25,400 students attend the fifteen schools and colleges of Columbia University; more than half are graduate students. On average, the Department has 120 graduate and 110 undergraduate students. The student population has a diverse and international character. Admission is highly competitive; in 2008–09, 36 Master’s and Ph.D. track students matriculated out of 270 applicants, with all doctoral program students being fully supported.

Student Outcomes

Recent Ph.D. recipients have found employment as postdoctoral research scientists at universities in the United States and abroad and as staff members in advanced technology industries and at national laboratories. Some have secured college-level faculty positions. Most M.S. graduates continue studying for the doctorate; a few go on to medical school or law school. M.S. graduates from the program in medical physics have secured positions in hospital departments of radiology and nuclear medicine or have entered doctoral programs.

Location

The 32-acre campus is situated in Morningside Heights on the Upper West Side of Manhattan. This location, 15 minutes from the heart of New York City, allows Columbia to be an integral part of the city while maintaining the character of a unique neighborhood. Cultural, recreational, and athletic opportunities abound at city museums, libraries, concert halls, theaters, restaurants, stadiums, parks, and beaches.

The University and The Department

With extensive resources and an outstanding faculty, Columbia University has played an eminent role in American education since its founding in 1754. The Department of Applied Physics and Applied Mathematics, a department at the forefront of interdisciplinary research and teaching, was established in 1978 as part of the Graduate School of Arts and Sciences and the Fu Foundation School of Engineering and Applied Sciences. The Graduate Program in Materials Science and Engineering joined the Department in fall 2000.

Applying

For fall admission, applications should be submitted online as follows: December 1 for doctoral, doctoral-track, and all financial aid applicants; applications for Master of Science, part-time, and nondegree candidates are reviewed on a rolling basis. Scores from the GRE General Test are required. The GRE Subject Test is required for applicants to the applied physics doctoral program. The GRE Subject Test is strongly urged for doctoral applicants in applied mathematics and materials science and engineering. TOEFL scores are required for students from non-English-speaking countries.

Admissions information and application forms can be found online at http://www.engineering.columbia.edu/pages/student/admissions/index.html.

The Faculty and Their Research

• In the Department of Applied Physics and Applied Mathematics, theoretical and experimental research is conducted by 33 full-time faculty members, 20 adjunct professors, and 70 research scientists. Areas of research include applied mathematics, earth/atmosphere/ocean/climate science, biomathematics, biophysics, numerical analysis, inverse problems, medical imaging, space physics, surface physics, condensed-matter physics, electromagnetism, materials science, nanoscience, medical physics, optical and laser physics, plasma physics, and fusion energy science.
• William Bailey, Associate Professor; Ph.D., Stanford, 1999. Nanoscale magnetic films and heterostructures, materials issues in spin-polarized transport, materials engineering of magnetic dynamics.
• Guillaume Bal, Professor; Ph.D., Paris, 1997. Applied mathematics, partial differential equations with random coefficients, high-frequency waves in random media and application to time reversal, inverse problems and imaging with applications to medical imaging and geophysical imaging.
• Daniel Bienstock, Professor (joint with Industrial Engineering and Operations Research); Ph.D., MIT, 1985. Applied mathematics, methodology and high-performance implementation of optimization algorithms, applications of optimization: preventing national-scale blackouts, emergency management, approximate solution of massively large optimization problems, higher-dimensional reformulation techniques for integer programming, robust optimization.
• Simon J. L. Billinge, Professor; Ph.D., Pennsylvania, 1992. Nanoscale structure-property relationships in functional nanomaterials studied using novel X-ray and neutron scattering techniques coupled with advanced computing, solving the nanostructure problem.
• Allen H. Boozer, Professor; Ph.D., Cornell, 1970. Plasma theory, theory of magnetic confinement for fusion energy, nonlinear dynamics.
• Mark A. Cane, Professor (joint with Earth and Environmental Sciences); Ph.D., MIT, 1975. Climate dynamics, physical oceanography, geophysical fluid dynamics, computational fluid dynamics, impacts of climate on society, El Niño forecasting.
• Siu-Wai Chan, Professor; Sc.D., MIT, 1985. Nanoparticles, electronic ceramics, grain boundaries and interfaces, oxide thin films.
• C. K. Chu, Professor Emeritus; Ph.D., NYU (Courant), 1959. Applied mathematics.
• Anthony Del Genio, Adjunct Professor (NASA Goddard Institute for Space Studies); Ph.D., UCLA, 1978. Dynamics of planetary atmospheres, parameterization of clouds and cumulus convection, climate change, general circulation.
• Morton B. Friedman, Professor (joint with Civil Engineering); D.Sc., NYU, 1953. Applied mathematics and mechanics, numerical analysis, parallel computing.
• Pierre Gentine, Assistant Professor; Ph.D., MIT, 2009. Applied mathematics, land-atmosphere interactions, soil-vegetation-transfer-atmosphere models, applications of stochastic processes to hydrology and atmospheric boundary-layer, stochastic rainfall and soil moisture, data-assimilation (filtering) of remote sensing measurements to estimate land-surface variables.
• Irving P. Herman, Professor; Ph.D., MIT, 1977. Nanocrystals, optical spectroscopy of nanostructured materials, laser diagnostics of thin-film processing, mechanical properties of nanomaterials.
• James Im, Professor; Ph.D., MIT, 1985. Laser-induced crystallization of thin films, phase transformations and nucleation in condensed systems.
• David E. Keyes, Professor; Ph.D., Harvard, 1984. Applied and computational mathematics for PDEs, computational science, parallel numerical algorithms, parallel performance analysis, PDE-constrained optimization.
• Philip Kim, Professor (joint with Physics); Harvard, 1999. Experimental condensed matter physics, physical properties and applications of nanoscale low-dimensional materials, quantum thermal transport phenomena in 1-dimensional nanoscaled materials, mesoscopic thermoelectricity and thermoelectric applications of nanoscale materials, quantum transport in novel 2-dimensional materials, mesoscopic electron transport, thermodynamic processes for sensors and electric devices.
• Chris A. Marianetti, Assistant Professor; Ph.D., MIT, 2004. Predicting materials properties from first-principles computations, density-functional theory, dynamical mean-field theory, transition-metal oxides, actinides, energy storage and conversion materials.
• Thomas C. Marshall, Professor Emeritus; Ph.D., Illinois, 1960. Accelerator concepts, relativistic beams and radiation, free-electron lasers.
• Michael E. Mauel, Professor; Sc.D., MIT, 1983. Plasma physics, waves and instabilities, fusion and equilibrium control, space physics, plasma processing, international energy policy.
• Gerald A. Navratil, Professor; Ph.D., Wisconsin–Madison, 1976. Plasma physics, plasma diagnostics, fusion energy science.
• Gertrude Neumark, Professor; Ph.D., Columbia, 1979. Materials science and physics of semiconductors, with emphasis on optical and electrical properties of wide-bandgap semiconductors and their light-emitting devices.
• I. Cevdet Noyan, Professor; Ph.D., Northwestern, 1984. Characterization and modeling of mechanical and micromechanical deformation, residual stress analysis and nondestructive testing, X-ray and neutron diffraction, microdiffrication analysis.
• Richard M. Osgood, Professor (joint with Electrical Engineering); Ph.D., MIT, 1973. Nanoscale optical and electronic phenomena (experimental and computational), femtosecond lasers and laser probing, low-dimensional physics, integrated optics, nanofabrication and materials growth.
• Thomas S. Pedersen, Associate Professor; Ph.D., MIT, 2000. Plasma physics, magnetic confinement, fusion energy, nonneutral plasmas, positron-electron plasmas, plasma turbulence.
• Aron Pinczuk, Professor; Ph.D., Pennsylvania, 1969. Spectroscopy of semiconductors and insulators, quantum structures, systems of reduced dimensions, atomic layers of graphene, electron quantum fluids.
• Lorenzo M. Polvani, Professor; Ph.D., MIT, 1988. Atmospheric and climate dynamics, geophysical fluid dynamics, numerical methods for weather and climate modeling, planetary atmospheres.
• Malvin A. Ruderman, Professor (joint with Physics); Ph.D., Caltech, 1951. Theoretical astrophysics, neutron stars, pulsars, early universe, cosmic gamma rays.
• Christopher H. Scholz, Professor (joint with Earth and Environmental Sciences); Ph.D., MIT, 1967. Experimental and theoretical rock mechanics, especially friction, fracture, and hydraulic transport properties; nonlinear systems; mechanics of earthquakes and faulting.
• Amiya K. Sen, Professor (joint with Electrical Engineering); Ph.D., Columbia, 1963. Plasma physics, fluctuations and anomalous transport in plasmas, control of plasma instabilities, plasma transport.
• Adam Sobel, Associate Professor; Ph.D., MIT, 1998. Atmospheric science, geophysical fluid dynamics, tropical meteorology, climate dynamics.
• Marc Spiegelman, Professor; Ph.D., Cambridge, 1989. Coupled fluid/solid mechanics, reactive fluid flow, solid earth and magma dynamics, scientific computation/modeling.
• Horst Stormer, Professor; Ph.D., Stuttgart, 1977. Semiconductors, electronic transport, lower-dimensional physics, transport in nanostructures.
• Latha Venkataraman, Assistant Professor; Ph.D., Harvard, 1999. Single-molecule transport, single-molecule-force spectroscopy, electron transport in nanowires, scanning tunneling microscopy and spectroscopy.
• Wen I. Wang, Professor (joint with Electrical Engineering); Ph.D., Cornell, 1981. Heterostructure devices and physics, materials properties, molecular-beam epitaxy.
• Michael I. Weinstein, Professor; Ph.D., NYU (Courant), 1982. Applied mathematics; partial differential equations and analysis; waves in nonlinear, inhomogeneous, and random media; dynamical systems; multiscale phenomena; applications to nonlinear optics; mathematical physics; fluid dynamics; geosciences.
• Chris H. Wiggins, Associate Professor; Ph.D., Princeton, 1998. Applied mathematics, mathematical biology, biopolymer dynamics, soft condensed matter, genetic networks and network inference, machine learning.
• Cheng-Shie Wuu, Professor (Public Health, Environmental Health Sciences, and Applied Physics); Ph.D., Kansas, 1985. Microdosimetry, biophysical modeling, dosimetry of brachytherapy, gel dosimetry, second cancers induced by radiotherapy, medical physics.

Selected Publications

• William Bailey
• Interface-related damping in polycrystalline Ni81Fe19/Cu/Co93Zr7 tri-layers. J. Appl. Phys. 105:07D309, 2009.
• Weakly coupled motion of individual layers in ferromagnetic resonance. Phys. Rev. B: Condens. Matter 74(6):064409, 2006.
• Low relaxation rate in epitaxial vanadium-doped ultrathin iron films. Phys. Rev. Lett. 98(10), 2007.
• Dopants for independent control of precessional frequency and damping in Ni0.8Fe 0.2(50 nm) thin films. Appl. Phys. Lett. 77(6), 2006.
• Guillaume Bal
• Inverse of transport theory and applications. Inverse Probl. 25:053001, 2009.
• Convergence to SPDEs Stratonovich form. Comm. Math. Phys.2009, in press.
• Time reversal and refocusing in random media. SIAM J. Appl. Math. 63(5):1475–98, 2003.
• Radiative transport limit for the random Schroedinger equation. Nonlinearity 15:513–29, 2002.
• Daniel Bienstock
• The N - k Problem in Power Grids: New Models, Formulations and Computation. SIAM J. Optim. In press.
• Faster approximation algorithms for covering and packing problems. SIAM J. Comput. 35:825–54, 2006.
• Subset algebra lift operators for 0-1 integer programming. SIAM J. Optim. 15:63–95, 2004.
• Potential function methods for approximately solving linear programming problems, theory and practice. Kluwer Academic Publishers. Boston, 2002.
• Simon J. L. Billinge
• The problem with determining atomic structure at the nanoscale. Science 316:561–5, 2007.
• Ab initio determination of solid-state nanostructure. Nature 440:655–8, 2006.
• Underneath the Bragg Peaks: Structural Analysis of Complex Materials. Elsevier Science:Oxford, 2004.
• Beyond crystallography: The study of disorder nanocrystallinity and crystallographically challenged materials. Chem. Commun. 7:749–60, 2004.
• Allen H. Boozer
• Use of non-axisymmetric shaping in magnetic fusion. Phys. Plasmas 16:058102, 2009.
• Stellarators and the path from ITER to DEMO. Plasma Phys. Contr. Fusion 50:124005, 2008.
• Control of asymmetric magnetic perturbations in tokamaks. Phys. Rev. Lett. 99:195003, 2007.
• Physics of magnetically confined plasmas. Rev. Modern Phys. 76:1071–141, 2004.
• Mark A. Cane
• The evolution of El Niño, past and future. Earth Planet. Sci. Lett. 104:1–10, 2005.
• Closing of the Indonesian Seaway as a precursor to East African aridification around 3 to 4 million years ago. Nature 411:157–62, 2001.
• Mapping tropical Pacific sea level: Data assimilation via a reduced state space Kalman filter. J. Geophys. Res. 101:22,599–617, 1996.
• Experimental forecasts of El Niño. Nature 322:827–32, 1986.
• Siu-Wai Chan
• Synthesis and redox behavior of nanocrystalline hausmannite. Chem. Mater. 19:5609–16, 2007.
• Phase stability in ceria-zirconia binary oxide (1-x)CeO2-xZrO2 nanoparticles: The effect of Ce3+ concentration and the redox environment. J. Appl. Phys. 99:0843131–8, 2006.
• Phases in ceria-zirconia binary oxide (1-x)CeO2-xZrO2 nanoparticles: The particle-size effect. J. Am. Ceram. Soc. 89:1028–36, 2006.
• Enthalpy and entropy of twin boundaries in superconducting YBa2Cu3O7-x. J. Appl. Phys. 98:033908–16, 2005.
• C. K. Chu
• Domain decomposition for shallow water equations. In Contemporary Mathematics, Proceedings of the 7th International Conference on Domain Decomposition Methods in Science and Engineering, October 1993.
• Equilibrium response of ocean deep-water circulation to variations in Ekman pumping and deep-water sources. J. Phys. Oceanogr. 22:1129, 1992.
• Lagrangian turbulence in Stokes flow. Phys. Fluids 30:687, 1987.
• Solitary waves generated by boundary motion. Comm. Pure Appl. Math. 36:495, 1983.
• Anthony Del Genio
• Evaluation of tropical cloud regimes in observations and a general circulation model. Clim.Dynam. 32:355–69, 2009. doi:10.1007/s00382-008-0386-6.
• WRF and GISS SCM simulations of convective updraft properties during TWP-ICE. J. Geophys. Res. 114:D04206, 2009. doi:10.1029/2008JD010851.
• Will moist convection be stronger in a warmer climate? Geophys. Res. Lett. 34:L16703, 2007. doi:10.1029/2007GL030525.
• Saturn eddy momentum fluxes and convection: First estimates from Cassini images. Icarus 189:479–92, 2007.
• Irving P. Herman
• Viscoplastic and granular behavior in films of colloidal nanocrystals. Phys. Rev. Lett. 98:026103, 2007.
• Physics of the Human Body. Berlin/Heidelberg/New York: Springer, 2007.
• Raman microprobe analysis of elastic strain and fracture in electrophoretically deposited CdSe nanocrystal films. Nano Lett. 6:175–80, 2006.
• Raman scattering in HfxZr1-xO2 nanoparticles. Phys. Rev. B 71:115408, 2005.
• James Im
• Stochastic modeling of solid nucleation in supercooled liquids. Appl. Phys. Lett. 78:3454–6, 2001.
• On determining the relevance of athermal nucleation in rapidly quenched liquids. Appl. Phys. Lett. 72:662, 1998.
• Sequential lateral solidification of thin silicon films on SiO2. Appl. Phys. Lett. 69:2864, 1996.
• Phase transformation mechanisms involved in excimer laser crystallization of amorphous silicon films. Appl. Phys. Lett. 63:1969–71, 1993.
• David E. Keyes
• Fusion simulation project workshop report. J. Fusion Energ. 28:1–59, 2009.
• Reconstructing parameters of the Fitzhugh-Nagumo System from boundary potential measurements. J. Comput. Neurosci. 23:251–64, 2007.
• Jacobian-free Newton-Krylov methods: A survey of approaches and application. J. Comp. Phys. 193:357, 2004.
• Nonlinear preconditioned inexact newton algorithms. SIAM J. Sci. Comput. 24:183–200, 2002.
• Philip Kim
• Quantum interference and carrier collimation in grapheneheterojunctions. Nat. Phys. 5:222–6, 2009.
• Temperature dependent transport in suspended graphene. Phys. Rev. Lett. 101:096802, 2008.
• Energy band gap engineering of graphenenanoribbons. Phys. Rev. Lett. 98:06805, 2007.
• Experimental observation of the quantum Hall effect and Berry's phase in graphene. Nature 438:201–4, 2005.
• Chris A. Marianetti
• Electronic coherence in delta-Pu: A DMFT study. Phys. Rev. Lett. 101:056403, 2008.
• Quasiparticle dispersion and heat capacity of Na0.3CoO2: A DMFT study. Phys. Rev. Lett. 99:246404, 2007.
• Na induced correlations in the cobaltates. Phys. Rev. Lett. 98:176405, 2007.
• Electronic structure calculations with dynamical mean-field theory. Rev. Mod. Phys. 78:865, 2006.
• Thomas C. Marshall
• Experimental observation of constructive superposition of wake fields generated by electron bunches in a dielectric-lined waveguide. Phys. Rev. Sci. Tech. 9:011301, 2006.
• Rectangular dielectric-lined two-beam accelerator structure. In Particle Accelerator Conference Proceedings, May 2005.
• Nondestructive diagnostic for electron bunch length in accelerators using the wake field radiation spectrum. Phys. Rev. Sci. Tech. 8:062801, 2005.
• Strong wake fields generated by a train of femtosecond bunches in a planar dielectric microstructure. Phys. Rev. Special Top.–Accelerators Beams 7:05130, 2004.
• Michael E. Mauel
• Global and local characterization of turbulent and chaotic structures in a dipole-con?ned plasma. Phys. Plasmas 16:055902, 2009.
• Confinement improvement with magnetic levitation of a superconducting dipole. Nucl. Fusion 49: 055023, 2009.
• A Kalman filter for feedback control of rotating external kink instabilities in the presence of noise. Phys. Plasmas 16:056112, 2009.
• Helium-catalyzed D-D fusion in a levitated dipole. Nucl. Fusion 44:193–203, 2004.
• Gerald A. Navratil
• Measurement of resistive wall mode stability in rotating high-beta DIII-D plasmas. Nucl. Fusion 45:368, 2005.
• Scaling of the critical plasma rotation for stabilization of the n+1 RWM in DIII-D. Nucl. Fusion 44:1197, 2004.
• Sustained rotational stabilization of DIII-D plasmas above the no-wall beta limit. Phys. Plasmas 9:1997, 2002.
• Modeling of active control of external MHD instabilities. Phys. Plasmas 8:2170, 2001.
• Gertrude Neumark
• Doping aspects of wide bandgap zinc compounds. In Handbook of Electronic and Photonic Materials. Springer, 2006.
• Decay dynamics in disordered systems: Application to heavily doped semiconductors. Phys. Rev. Lett. 80:2413, 1998.
• Defects In wide-bandgap II-VI crystals. Mater. Sci. Eng. Rep. R 21(1), 1997.
• Wide-bandgap light-emitting device materials and doping problems. Mater. Lett. 30:131, 1997 (published as materials update).
• I. Cevdet Noyan.
• Diffraction profiles of elastically bent single crystals with constant strain gradients. J. Appl. Cryst. 40:322–31, 2007.
• Mapping local strain in thin film/substrate systems using x-ray microdiffraction topography. Appl. Phys. Lett. 90:091918, 2007.
• Dynamical diffraction peak splitting in time-of-flight neutron diffraction. Appl. Phys. Lett. 89:233515, 2006.
• Thermal stress evolution in embedded Cu/low-k dielectric composite features. Appl. Phys. Lett. 89:011913, 2006.
• Richard M. Osgood Jr.
• Spectro-microscopy of single- and multi-layer graphene supported by a weakly interacting substrate. Phys. Rev. B (Rapid Comms) 78:201408.
• Engineering nonlinearities in nanoscale optical systems: physics and applications in dispersion-engineered Si nanophotonic wires. Adv. Opt. Photon. 1:162–235, 2009.
• Experimental demonstration of near-infrared negative-index metamaterials. Phys. Rev. Lett. 95:137404, 2005.
• Image-state electron scattering on flat Ag/Pt(111) and stepped Ag/Pt(997) surfaces. Phys. Rev. B 71:165424, 2004.
• Thomas S. Pedersen
• Observations of an ion-driven instability in nonneutral plasmas confined on magnetic surfaces. Phys. Rev. Lett. 100:065002, 2008.
• Experimental confirmation of stable, small-Debye-length, pure electron-plasma equilibria in a stellarator. Phys. Rev. Lett. 97:095003, 2006.
• Prospects for the creation of positron-electron plasmas in a nonneutral stellarator. J. Phys. B 36:1029, 2003.
• Confinement of nonneutral plasmas on magnetic surfaces. Phys. Rev. Lett. 88:205002, 2002.
• Aron Pinczuk
• Electric field effect tuning of electron phononcoupling in graphene. Phys. Rev. Lett., 2007.
• Transition from free to interacting composite fermions away from nu=1/3. Phys. Rev. Lett. 97:036804, 2006.
• Extrinsic optical recombination in pentacene single crystals: Evidence of gap states. Appl. Phys. Lett. 87(21):211117, 2005.
• Splitting of long-wavelength modes of the fractional quantum hall liquid at nu=1/3. Phys. Rev. Lett. 95(6):066803, 2005.
• Lorenzo M. Polvani
• The impact of stratospheric ozone recovery on the Southern Hemisphere westerly jet. Science 320(5882):1486–9, 2008.
• Transport and mixing of chemical airmasses in idealized baroclinic life cycles. J. Geophys. Res. Atmos. 112:D23102, 2007.
• Numerically converged solutions of the global primitive equations for testing the dynamical core of atmospheric GCMs. Monthly Weather Rev. 11:2539–52, 2004.
• Tropospheric response to stratospheric perturbations in a relatively simple general circulation model. Geophys. Res. Lett. 29(7):1114, 2002.
• The morphogenesis of bands and zonal winds with the atmospheres of the giant outer planets. Science 273:335–7, 1996.
• Malvin A. Ruderman
• A central engine for cosmic gamma-ray burst sources. Astrophys. J. 542:243, 2000.
• Millisecond pulsar alignment: PSR 0437–47. Astrophys. J. 493:397, 1998.
• Neutron star magnetic field evolution, crust movement and glitches. Astrophys. J. 492:267, 1998.
• Models for X-ray emission from isolated pulsars. Astrophys. J. 498:373, 1998.
• Christopher H. Scholz.
• Transition regimes for growing crack populations. Phys. Rev. E 65:056105, 2002.
• Slip-length scaling for earthquakes: Observations and theory and implications for earthquake physics. Geophys. Res. Lett. 28:2995–8, 2001.
• Evidence of a strong San Andreas fault. Geology 28:163–6, 2000.
• Experimental evidence for different strain regimes of crack populations in a clay model. Geophys. Res. Lett. 26:1081–4, 1999.
• Amiya K. Sen
• Radial plasma transport in axisymmetricmagneticfields. Trans.Fusion& Technology 48:51111, 2006.
• Observation and identification of zonal flows in a basic experiment. Plasma Phys. Controlled Fusion 48:51111, 2006.
• A new paradigm of plasma transport. Phys. Plasmas 13, 2006.
• Adaptive optimal stochastic state feedback control of resistive wall modes in tokamaks. Phys. Plasmas 13:012512, 2006.
• Adam H. Sobel
• Poleward-propagating intraseasonal monsoon disturbances in an intermediate-complexity axisymmetric model. J. Atmos. Sci. 65:470–89, 2008.
• Instability of the axisymmetric monsoon flow and intraseasonal oscillation. J. Geophys. Res. 113: D07108, 2008. doi:10.1029/2007JD009291
• On the wavelength of the Rossby waves radiated by tropical cyclones. J. Atmos. Sci. 65:644–54, 2008.
• The role of surface fluxes in tropical intraseasonal oscillations. Nature Geoscience 1:653–7, 2008.
• Marc Spiegelman
• A semi-Lagrangian Crank-Nicolson algorithm for the numerical solution of advection-diffusion problems. Geochem. Geophys. Geosyst., in press.
• Linear analysis of melt band formation by simple shear. Geochem. Geophys. Geosyst. 4(9):8615, 2003.
• Extreme chemical variability as a consequence of channelized melt transport. Geochem. Geophys. Geosyst. 4(7):1055, 2003.
• Causes and consequences of flow organization during melt transport: The reaction infiltration instability in compactible media. J. Geophys. Res. 106(B2):2061–77, 2001.
• Horst L. Stormer
• High frequency magneto oscillations in GaAs/AlGaAs quantum wells. Phys. Rev. Lett. 98:036804, 2007.
• Experimental observation of the quantum Hall effect and Berry’s phase in graphene. Nature 438:201, 2005.
• Quantization of the diagonal resistance: Density gradients and the empirical resistance rule in a 2D system. Phys. Rev. Lett. 95:066808, 2005.
• Evidence for skyrmion crystallization from NMR relaxation experiments. Phys. Rev. Lett. 94:196803, 2005.
• Latha Venkataraman
• Mechanically-controlled binary conductance switching of a single-molecule junction. Nature Nanotechnology 4:230, 2009.
• Formation and evolution of single molecule junctions. Phys. Rev. Lett. 102:126803, 2009.
• Single molecule conductance and link chemistry: A comparison of phosphines, methyl thiols and amines. J. Am. Chem. Soc. 129:15768–9, 2007.
• Single molecule conductance and link chemistry: A comparison of phosphines, methyl thiols and amines. J. Am. Chem. Soc. 129:15768–9, 2007.
• Electronics and chemistry: Varying single molecule junction conductance with chemical substituent. Nano Letters 7:502–6, 2007.
• Dependence of single molecule junction conductance on molecular conformation. Nature 442:904–7, 2006.
• Single-molecule circuits with well-defined molecular conductance. Nano Letters 6:458–62, 2006.
• Wen I. Wang
• Normal incidence intervalence subband absorption in GaSb quantum well enhanced by coupling to InAs conduction band. Appl. Phys. Lett. 62:609–11, 1993.
• Normal incidence infrared absorption in AlAs/AlGaAs x-valley multiquantum wells. Appl. Phys. Lett. 61:1697–9, 1992.
• High breakdown voltage AlSbAs/InAs n-channel field effect transistors. IEEE Electron Device Lett. 13:192–4, 1992.
• Michael I. Weinstein
• Scattering resonances of microstructures and homogenization theory. SIAM J. Multiscale Modeling Simulation 3(3):477–521, 2005.
• Theory of nonlinear dispersive waves and selection of the ground state. Phys. Rev. Lett. 95:213905, 2005.
• Stopping light on a defect. J. Opt. Soc. B: Opt. Phys. 19(7):1635–52, 2002.
• Resonances, radiation damping, and instability of Hamiltonian nonlinear waves. Inventiones Mathematicae 136:9–74, 1999.
• Chris H. Wiggins
• A stochastic spectral analysis of transcriptional regulatory cascades. Proc. Natl. Acad. Sci. U.S.A. 106:6529–34, 2009. http://www.ncbi.nlm.nih.gov/pubmed/19351901?dopt=Abstract
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Columbia University
Chairman, Graduate Admissions Committee
Department of Applied Physics and Applied Mathematics
200 S. W. Mudd Building, MC 4701
New York, New York 10027
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Email: seasinfo.apam@columbia.edu