Critical endpoint of QCD in a finite volume

Autor: Bernd-Jochen Schaefer, Christian S. Fischer, Julian Bernhardt, Philipp Isserstedt

Publikováno v: Physical Review

We investigate the impact of finite volume and the corresponding restrictions on long-range correlations on the location of the critical endpoint in the QCD phase diagram. To this end, we employ a sophisticated combination of lattice Yang--Mills theo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9622f8de836df96335a8b0486ba9d07
http://repo.scoap3.org/api

Nonperturbative quark matter equations of state with vector interactions

Autor: Konstantin Otto, Bernd-Jochen Schaefer, Micaela Oertel

Publikováno v: European physical journal special topics 229(22-23), 3629-3649 (2020). doi:10.1140/epjst/e2020-000155-y
Eur.Phys.J.ST
Eur.Phys.J.ST, 2020, 229 (22-23), pp.3629-3649. ⟨10.1140/epjst/e2020-000155-y⟩

Nonperturbative equations of state (EoSs) for two and three quark flavors are constructed with the functional renormalization group (FRG) within a quark-meson model truncation augmented by vector mesons for low temperature and high density. Based on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d63dc37deda15a95ac96faf2137a3883
https://repository.gsi.de/record/237236

Mass sensitivity of the three-flavor chiral phase transition

Autor: Fabian Rennecke, Simon Resch, Bernd-Jochen Schaefer

Publikováno v: Physical Review

The mass sensitivity of the chiral phase transition of QCD with and without axial $U_A(1)$-symmetry breaking at vanishing and finite quark chemical potential is investigated. To focus on the low-energy sector of QCD, a quark-meson model with three dy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::800e8858258ef12cfc1696a0ea289eb7
http://arxiv.org/abs/1712.07961

Baryon number fluctuations at finite temperature and density

Autor: Bernd-Jochen Schaefer, Fabian Rennecke, Jan M. Pawlowski, Wei-jie Fu

We investigate baryon number fluctuations for finite temperature and density in two-flavor QCD. This is done within a QCD-improved low-energy effective theory in an extension of the approach put forward in [1,2]. In the present work we aim at improvi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddef93211f854afc5fae4aae22cb9f59
http://arxiv.org/abs/1608.04302

On the phase structure of QCD in a finite volume

Autor: Jens Braun, Bernd-Jochen Schaefer, Bertram Klein

Publikováno v: Physics Letters B. 713:216-223

The chiral phase transition in QCD at finite chemical potential and temperature can be characterized for small chemical potential by its curvature and the transition temperature. The curvature is accessible to QCD lattice simulations, which are alway

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c44875818d247ad64e79da0f1536d2cb
https://doi.org/10.1016/j.physletb.2012.05.053