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Research

Primary research areas in Applied Physics

Research in applied physics (including materials science) covers the interfaces of physics, chemistry, biology, and engineering. A large portion of research involves condensed matter physics.

Biophysics

Areas of Focus

  • Study of complex materials found in tissues and cells using microheological techniques
  • Rheological measurements on cross-linked polymer gels that resemble biopolymer networks
  • Mechanical testing of entangled actin networks
  • Use of nanopores in solid-state membranes as single-molecule detectors for DNA and other biopolymers
  • Theoretical research in the statistical mechanics of biopolymers
  • Pattern formation during the growth of tissue

Researchers

Electronic and Magnetic Systems and Devices

Areas of Focus

  • Investigation of electron and hole transport in novel materials, nanostructures (dots and wires), devices using microscopy techniques
  • Nanowire synthesis techniques and nanoscale assembly/characterization of matter
  • Superconducting phenomena
  • Ultra-sensitive microwave detectors
  • Arrays of magnetic bubbles
  • Casmir forces and their control in nano-electromechanical systems (NEMS)
  • Molecular scale sensors capable of detecting single atoms
  • Rapid single molecule DNA sequencing

Researchers

Materials Science

Areas of Focus

  • Creation of materials and assemblies and new devices using new materials
  • Phase-, composition-, and morphology selection in materials formation (and how this differs from nanophase materials)
  • Properties of materials in thin film form compared with those in the bulk
  • Principles and mechanisms involved in the development of stress in thin-film deposition

Researchers

Research Groups/Labs

Oceans, Atmospheres, and Geophysics

Areas of Focus

  • Kinetics and thermodynamics of crystal nucleation in small aqueous aerosol particles
  • Development of new lasers for atmospheric spectroscopy
  • Material science and theoretical mechanics of crack propagation in geophysics
  • Physics and dynamics of the oceans, atmosphere, climate and climate change

Researchers

Optics, Electromagnetics, and Light-Matter Interactions

Areas of Focus

  • New coherent light sources based on the quantum cascade laser (compact injection parametric oscillators, Raman injection lasers, and nanostructured semiconductor lasers designed using band-gap engineering, and ultra-short pulses in mid-infrared range)
  • Photonic crystals (injection surface plasmon micro-lasers based on artificial defects and nonlinear optical effects)
  • Optics with cold atoms and Bose–Einstein condensates, including slow light and stopped light. Conversion of light to matter and new paradigms for quantum control
  • Quantum optics/quantum computation
  • Microfabricated optical tweezers
  • Surface plasmons/optical antennas
  • Light generation in engineered semiconductors (e.g. nanowires,
  • Quantum dots, quantum cascade lasers)
  • Manipulation of nano-scale objects using guided waves 

Researchers

Soft Condensed Matter

Areas of Focus

  • Study of properties of materials highly deformable by externally applied stresses, electric or magnetic fields, or thermal fluctuations, including polymers, liquid crystals, fluids and complex fluids, surfactants, colloids, foams, and emulsions
  • Fluid interfaces
  • Avalanches in granular materials and the non-equilibrium dynamics of disordered systems

Researchers

Surface and Interface Science

Areas of Focus

  • Investigation of the atomic structure of interfaces by diffraction and imaging techniques
  • Interfacial thermodynamics quantities and their related phenomena of crystal nucelation and growth
  • Study of mechanical strength
  • Development of new nanostructures, sensors, and catalysts

Researchers

Theory and Simulation

Areas of Focus

  • Electronic and band-structure theory research on III-IV and II-VI compounds, magnetic semiconductors, superlattices and nanostructures, and first principles calculations of surfaces, interfaces, defects, and high-pressure phases
  • Statistical mechanics of collective phenomena, including the study of flux line motion in high-temperature superconductors and phase transitions (in particular, the melting, the behavior of sheet polymers, charge density waves and biophysics)
  • Investigation on electronics in semiconductor heterostructures, low-dimensional antiferromagnets, fractional statistics, inhomogeneous systems, and particles interacting with electromagnetic fields and turbulent fluids and in suspensions
  • Theory and simulation of the ocean, atmosphere and climate dynamics, understanding natural and human-induced climate change.

Researchers

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Projects

Recent Hires

  • Philippe Cluzel
    Gordon McKay Professor of Applied Physics and Professor of Molecular and Cellular Biology at Harvard University's Faculty of Arts and Sciences
  • Evelyn Hu
    Gordon McKay Professor of Applied Physics and Electrical Engineering
  • Daniel Needleman
    Assistant Professor of Applied Physics and Assistant Professor of Molecular and Cellular Biology (joint with Faculty of Arts and Sciences Center for Systems Biology)
  • Sharad Ramanathan
    Assistant Professor of Systems Biology (joint with Faculty of Arts and Sciences Center for Systems Biology)

Recent Awards