High-Performance Computing at the Center

The High-Performance Computing Cluster of the Center of Theoretical Physics provides faculty and students computational power for research and education 24 hours 7 days a week. The numerical research conducted on the Cluster includes:

  • Condensed Matter Physics

    1. Light-matter interaction with the focus on quantum transport phenomena in low-dimensional semiconductor nanostructures and graphene, including nonlinear exciton and polariton dynamics
    2. Computer-assisted search for novel dielectric materials for energy storage
    3. Development of new technologies for optical modulators and waveguides, including graphene-based photonic crystals
    4. Bose-Einstein condensates of ultra-cold Rydberg atoms

    Exciton BEC turbulence Polariton switch

    Left: Formation of a turbulent exciton Bose-Einstein condensate in coupled semiconductor quantum wells. Right: Computational design of a graphene-based polariton switch.

  • High-Energy Physics

    1. Automated Feynman diagram calculations
    2. Computer algebra

    Top quark production Diagrams

    Left: Picture illustrating top quark pair production. Right: Pentabox integrand decomposition for two-loop scattering amplitude.

  • Astrophysics

    1. Hydrodynamic approach in modeling of the galaxies formation
    2. Monte-Carlo analysis of the spectral energy distribution of galaxies, devising GalMC code

    Galaxy Galaxy Galaxy

    Formation of a galaxy from the interstellar gas. Left: The color shows the gas density, with the densest object being the main galaxy. The box is 400 kiloparsec in size. Center: Same picture but now zoomed in on the main galaxy. The box is 70 kiloparsec in size. Right: Phase plot of temperature versus density with the color indicating the total amount of mass with those values. This graph is for a sphere centered around the main galaxy with radius 250 kiloparsec. The simulations have been run with the adaptive mesh refinement code Enzo.

Acknowledgments

Upgrade of the Cluster, including installation of twenty computing nodes with graphics processing units and software packages Intel Software Development Suite, VASP and COMSOL, has been made with support of Physics Division of the U.S. Army Research Office, instrumentation grant #64775-PH-REP.

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