Constraining the QCD phase diagram
- Lattice QCD and functional methods are making significant progress in constraining the QCD phase diagram. As an important milestone, the chiral phase transition with massless u, d-quarks at zero density is now understood to be of second order for all strange quark masses, and a smooth crossover as soon as mu,d, ≠ 0. Together with information on fluctuations and refined reweighted simulations, this bounds a possible critical point to be at µB/T ≲3. On the other hand, an approximately chiral-spin symmetric temperature window has been discovered above the chiral crossover, Tch<T ≳3Tch, with distinct correlator multiplet patterns and a pion spectral function suggesting resonance-like degrees of freedom, which dissolve graduallly with temperature.
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| Author: | Owe PhilipsenORCiDGND |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-822809 |
| DOI: | https://doi.org/10.1051/epjconf/202329005002 |
| ISSN: | 2100-014X |
| Parent Title (German): | EPJ Web of Conferences |
| Publisher: | EDP Sciences |
| Place of publication: | Les Ulis |
| Document Type: | Conference Proceeding |
| Language: | English |
| Date of Publication (online): | 2023/12/08 |
| Date of first Publication: | 2023/12/08 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Contributing Corporation: | European Nuclear Physics Conference (5. : 2022 : Santiago de Compostela) |
| Release Date: | 2024/02/26 |
| Volume: | 290 |
| Issue: | 05002 |
| Article Number: | 05002 |
| Page Number: | 6 |
| HeBIS-PPN: | 516216252 |
| Institutes: | Physik |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung 4.0 |
