Name
Abstract | ||
|---|---|---|
A parallelization approach for two-dimensional Wigner Monte Carlo quantum simulations using the signed particle method is introduced. The approach is based on a domain decomposition technique, effectually reducing the memory requirements of each parallel computational unit. We depict design and implementation specifics for a message passing interface-based implementation, used in the Wigner Ensemble Monte Carlo simulator, part of the free open source ViennaWD simulation package. Benchmark and simulation results are presented for a time-dependent, two-dimensional problem using five randomly placed point charges. Although additional communication is required, our method offers excellent parallel efficiency for large-scale high-performance computing platforms. Our approach significantly increases the feasibility of computationally highly intricate two-dimensional Wigner Monte Carlo investigations of quantum electron transport in nanostructures. |
Year | DOI | Venue |
|---|---|---|
2015 | 10.1007/978-3-319-26520-9_34 | Lecture Notes in Computer Science |
Field | DocType | Volume |
Monte Carlo method in statistical physics,Monte Carlo method,Computer science,Parallel computing,Hybrid Monte Carlo,Quasi-Monte Carlo method,Dynamic Monte Carlo method,Monte Carlo integration,Quantum Monte Carlo,Monte Carlo molecular modeling | Conference | 9374 |
ISSN | Citations | PageRank |
0302-9743 | 0 | 0.34 |
References | Authors | |
1 | 3 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Josef Weinbub | 1 | 17 | 9.55 |
| Paul Ellinghaus | 2 | 1 | 2.09 |
| Siegfried Selberherr | 3 | 105 | 39.95 |