Barker, J.R. (2010) Quantum phase-space distributions with compact support. Physica E: Low-Dimensional Systems and Nanostructures, 42(3), pp. 491-496. (doi: 10.1016/j.physe.2009.06.082)
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Abstract
Phase-space representations of quantum distributions such as the Wigner function and Kadanoff-Baym Green's functions do not have compact support which leads to difficulties for numerical and perturbative schemes in quantum transport simulations of nano-devices, We demonstrate that a Useful complex-valued quantum phase-space distribution With compact Support can be constructed. In marly practical applications only the real part is required to obtain useful dynamical averages.
| Item Type: | Articles |
|---|---|
| Keywords: | Green's functions nano-mosfets NEGF Quantum phase space Quantum transport QUANTUM-TRANSPORT simulation Wigner function |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Barker, Professor John |
| Authors: | Barker, J.R. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Physica E: Low-Dimensional Systems and Nanostructures |
| Publisher: | Elsevier BV |
| ISSN: | 1386-9477 |
| ISSN (Online): | 1873-1759 |
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