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Aarts, Gert, Allton, Chris, Amato, Alessandro, Giudice, Pietro, Hands, Simon and Skullerud, Jon-Ivar (2015) Electrical conductivity and charge diffusion in thermal QCD from the lattice. Journal of High Energy Physics (186). pp. 1-22. ISSN 1029-8479
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Abstract
We present a lattice QCD calculation of the charge diffusion coefficient, the
electrical conductivity and various susceptibilities of conserved charges, for a range of
temperatures below and above the deconfinement crossover. The calculations include the
contributions from up, down and strange quarks. We find that the diffusion coefficient is
of the order of 1/(2πT) and has a dip around the crossover temperature. Our results are
obtained with lattice simulations containing 2+1 dynamical flavours on anisotropic lattices.
The Maximum Entropy Method is used to construct spectral functions from correlators of
the conserved vector current.
| Item Type: | Article |
|---|---|
| Additional Information: | This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
| Keywords: | Quark-Gluon Plasma; Lattice QCD; Phase Diagram of QCD; |
| Academic Unit: | Faculty of Science and Engineering > Mathematical Physics |
| Item ID: | 6292 |
| Identification Number: | 10.1007/JHEP02(2015)186 |
| Depositing User: | Dr. Jonivar Skullerud |
| Date Deposited: | 18 Aug 2015 15:44 |
| Journal or Publication Title: | Journal of High Energy Physics |
| Publisher: | Springer |
| Refereed: | Yes |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/6292 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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