A gauge invariant Debye mass and the complex heavy-quark potential
Following the original idea of Debye, we define and extract a gauge-invariant screening mass from the complex static in-medium heavy-quark potential VQQ¯, recently obtained from lattice QCD. To this end we derive a formula using concepts from both effective- and classical field theories that faithfu...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2016
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| In: |
Physics letters
Year: 2015, Volume: 753, Pages: 232-236 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2015.12.031 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2015.12.031 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S037026931500979X 
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| Author Notes: | Yannis Burnier, Alexander Rothkopf |
| Summary: | Following the original idea of Debye, we define and extract a gauge-invariant screening mass from the complex static in-medium heavy-quark potential VQQ¯, recently obtained from lattice QCD. To this end we derive a formula using concepts from both effective- and classical field theories that faithfully reproduces both the screened real- and the imaginary part of the lattice potential with a single temperature dependent fit parameter mD(T). Using values of the real part of VQQ¯ in a gluonic medium, we obtain Debye masses compatible with HTL perturbation theory. |
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| Item Description: | Available online 14 December 2015 Gesehen am 24.04.2020 |
| Physical Description: | Online Resource |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2015.12.031 |