The Physics of Disorder

I am a condensed matter/materials theorist in the Department of Physics and Astronomy at Ohio University. My work focuses on the physics of disorder and on new methods to model and characterize complex materials.

Research

Publications

Google Scholar

Research highlights

Site-projected thermal conductivity in amorphous graphene

Intricate, painting-like patterns in the space-projected conductivity of aluminum

Thermal and charge transport

Mapping conduction into real space: site-projected thermal conductivity and space-projected electrical conductivity in disordered materials.

Formation of multi-walled carbon nanotubes and capsules from random initial conformations

Carbon materials

Research on carbon since the 1990s, including accurate dynamical simulation of graphitization and carbonization.

Animation of the INVERT structural inversion method reconstructing C60 from diffraction data

Structural inference

Building atomic-scale models from experimental data: FEAR (Force Enhanced Atomic Refinement) and the INVERT method, shown here reconstructing C60 from diffraction data.

Wannier function in diamond, computed with an order-N projection method

Solid state theory

Novel computational methods, the locality of quantum mechanics, the Anderson transition, electron-phonon coupling and light-induced effects in disordered materials.

Videos and talks

YouTube channel

Dynamical simulations of carbon materials, phase-change memory materials, lattice dynamics of amorphous silica and more.

Talks

Talks on electrons and phonons in amorphous materials, realistic modeling, and specific materials.

The group

The Materials Theory Group at Ohio University develops and applies new methods for understanding disordered materials. See our former students and the latest news.