Strong coupling methods in QCD thermodynamics
- For a long time, strong coupling expansions have not been applied systematically in lattice QCD thermodynamics, in view of the success of numerical Monte Carlo studies. The persistent sign problem at finite baryo-chemical potential, however, has motivated investigations using these methods, either by themselves or combined with numerical evaluations, as a route to finite density physics. This article reviews the strategies, by which a number of qualitative insights have been attained, notably the emergence of the hadron resonance gas or the identification of the onset transition to baryon matter in specific regions of the QCD parameter space. For the simpler case of Yang–Mills theory, the deconfinement transition can be determined quantitatively even in the scaling region, showing possible prospects for continuum physics.
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| Author: | Owe PhilipsenORCiDGND |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-636086 |
| DOI: | https://doi.org/10.1007/s12648-021-02164-4 |
| ISSN: | 0974-9845 |
| Parent Title (English): | Indian journal of physics |
| Publisher: | Springer India |
| Place of publication: | New Delhi |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2021/07/24 |
| Date of first Publication: | 2021/07/24 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2022/06/01 |
| Tag: | Finite baryon density; Lattice QCD; Strong coupling expansion |
| Volume: | 95 |
| Issue: | 8 |
| Page Number: | 13 |
| First Page: | 1599 |
| Last Page: | 1611 |
| Note: | Part of the work reported here was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – project number 315477589 – TRR 211. Open Access funding enabled and organized by Projekt DEAL. |
| HeBIS-PPN: | 495918776 |
| Institutes: | Physik |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung 4.0 |
