| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5495470 | Physics Letters B | 2017 | 6 Pages |
Abstract
The Ï0 neutral meson pole mass is calculated in a strongly magnetized medium using the SU(2) Nambu-Jona-Lasinio model within the random phase approximation (RPA) at zero temperature and zero baryonic density. We employ a magnetic field dependent coupling, G(eB), fitted to reproduce lattice QCD results for the quark condensates. Divergent quantities are handled with a magnetic field independent regularization scheme in order to avoid unphysical oscillations. A comparison between the running and the fixed couplings reveals that the former produces results much closer to the predictions from recent lattice calculations. In particular, we find that the Ï0 meson mass systematically decreases when the magnetic field increases while the scalar mass remains almost constant. We also investigate how the magnetic background influences other mesonic properties such as fÏ0 and gÏ0qq.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Sidney S. Avancini, Ricardo L.S. Farias, Marcus Benghi Pinto, William R. Tavares, Varese S. Timóteo,