Welcome to the Atomistic Simulation Centre - ASC

Atomistic simulation is the theoretical and computational modelling of what happens at the atomic scale in solids, liquids, molecules and plasmas. Often this means solving numerically the classical or quantum-mechanical microscopic equations for the motion of interacting atoms, or even deeper - electrons and nuclei. Atomistic simulation is used:

  • to interpret existing experimental data and predict new phenomena.
  • to reach computationally where pen-and-paper theory alone cannot.
  • to provide a way forward where experiments are not yet possible, e.g. under extreme conditions, or at atomistic size- and time-scales where one cannot yet look directly.

In the ASC we are especially interested in the real-time dynamics of classical and quantum systems. We develop new methods, write computer packages and apply these modelling techniques in the following flagship areas:

  • Electronic transport in nanostructures
  • Irradiation of materials and biological systems
  • Ultra-fast laser-matter interactions

We also develop integrated approaches that exploit theoretical understanding to rationally design processes and functional materials, which have the potential to generate disruptive technologies. Some areas of interest drawn from various disciplines are:

  • CHEMISTRY Ionic liquids, Crystallization, Heat storage, Mechanochemistry, Bubble technologies.
  • BIOLOGY Pharmaceutical drugs, Biomolecular dynamics, Radiotherapies.
  • NANOSCIENCE Nanoelectronic, nanophotonic and nanoplasmonic devices.
  • PHYSICS Materials for the nuclear industry, Photovoltaics, Ferroelectrics.

Between 2015 and 2018 the ASC will for part of a collaboration with groups from three other institutions (University College Dublin, Science and Technology Facilities Council and Universidad Nacional de CUYO). This will involve a number of secondments of staff and students between these institutions to share expertise. The funding comes from a HORIZON 2020 grant from the European Commission.

Together with colleagues from other Research Centres at Queen's, we have constituted the Computation and Simulation Network: CoSiNe

July, 2016

Tyndall National Institute (Stephen Fahy and Ivana Savic) and ASC are starting a collaboration on the simulation of thermoelectric materials, funded by Science Foundation Ireland (RoI) and Department of Education and Learning (NI). The team will include 2 postdoctoral researchers + 2 PhD students at Tyndall, and 2 postdocs + 1 PhD student at Queen's. See Opportunities for the ASC positions.

7 April, 2016

Daniel Dundas and Peter Mulholland have been awarded 39,000 kAUs on the ARCHER service from the ARCHER Resource Allocation Panel. This resource will be used over the next year in a project entitled “Dissociative ionization of the hydrogen molecular ion”.

26 February, 2016

Congratulations to Abigail Wardlow who has just published her first paper: High-order-harmonic generation in benzene with linearly and circularly polarized laser pulses, Phys. Rev. A 93, 023428 (2016).

28 January, 2016

Valerio Rizzi, Tchavdar Todorov and Jorge Kohanoff have published a new microscopic method for coupled real-time quantum electron-phonon dynamics, in their article, "Electron-phonon thermalization in a scalable method for real-time quantum dynamics".

Read it in Physical Review B here

19 November, 2015

Work carried out by former members Mario del Pópolo and Gavin Melaugh during their time at the ASC has been published in the journal Nature. The entire ASC family congratulate them on there achievement and hard work. More information here.

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