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Semiclassical Modeling of Multiparticle Quantum Mechanics using Parallel Particle-In-Cell Codes using "Plug-and-Play" Cluster Computing by
D. Dauger
9 April 2004 At the UCLA Plasma Physics Group, we are developing and running parallel quantum modeling tools on "plug-and-play" Macintosh clusters. Our theoretical approach combines a semiclassical approximation of Feynman path integrals with a parallel particle-in-cell code, originally designed to model classical plasmas, to simulate time-dependent, interacting multiparticle quantum mechanics. The derivation and implementation of these techniques will be discussed, including our progress in developing a two-dimensional implementation. These simulations are run as Message-Passing Interface (MPI) jobs using Pooch, awarded most innovative software by IEEE Cluster. This cluster solution, by minimizing the administrative expertise needed to build and run this Unix-based cluster, provides all the benefits of a local, accessible high-performance computing resource. Applications of this technology will be described, and demonstrations will be provided.
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