A divergence-free method to extract observables from correlation functions
- Correlation functions provide information on the properties of mesons in vacuum and of hot nuclear matter. In this work, we present a new method to derive a well-defined spectral representation for correlation functions. Combining this method with the quark gap equation and the inhomogeneous Bethe–Salpeter equation in the rainbow-ladder approximation, we calculate in-vacuum masses of light mesons and the electrical conductivity of the quark–gluon plasma. The analysis can be extended to other observables of strong-interaction systems.
Download full text files
Additional Services
| Author: | Si-xue QinORCiD |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-547042 |
| DOI: | https://doi.org/10.1016/j.physletb.2015.02.009 |
| ISSN: | 1873-2445 |
| ISSN: | 0370-2693 |
| Parent Title (English): | Physics Letters B |
| Publisher: | Elsevier |
| Place of publication: | Amsterdam |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2015/02/09 |
| Date of first Publication: | 2015/02/09 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2020/05/14 |
| Tag: | Hadron spectroscopy Bethe–Salpeter equation; Dyson–Schwinger equations; Electrical conductivity; Nonperturbative methods; Quark–gluon plasma; Spectral functions; Transport properties |
| Volume: | 742.2015 |
| Page Number: | 5 |
| First Page: | 358 |
| Last Page: | 362 |
| HeBIS-PPN: | 465585183 |
| Institutes: | Physik / Physik |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung 4.0 |
