Zobrazeno 1 - 10
of 773
pro vyhledávání: '"A. von Smekal"'
We study the critical dynamics of a scalar field theory with $Z_2$ symmetry in the dynamic universality class of Model A in two and three spatial dimensions with classical-statistical lattice simulations. In particular, we measure the non-equilibrium
Externí odkaz:
http://arxiv.org/abs/2411.10266
We use a novel real-time formulation of the functional renormalization group (FRG) for dynamical systems with reversible mode couplings to study Model H, the conjectured dynamic universality class of the QCD critical point. We emphasize the structura
Externí odkaz:
http://arxiv.org/abs/2409.14470
In the chiral limit the complicated many-body dynamics around the second-order chiral phase transition of two-flavor QCD can be understood by appealing to universality. We present a novel formulation of the real-time functional renormalization group
Externí odkaz:
http://arxiv.org/abs/2403.04573
There is a major mismatch between the charged pion yields in Au+Au collisions at low energies calculated by various transport models and the experimental measured values from the Hades collaboration. In this work, reasonable improvements on the equat
Externí odkaz:
http://arxiv.org/abs/2309.09042
The mixing between the chiral condensate and the density in hot and dense QCD matter is familiar. We show that the mixing relevant for the ground state is considerably more extensive, and in particular also involves gluonic degrees of freedom. As a r
Externí odkaz:
http://arxiv.org/abs/2308.16244
Publikováno v:
Phys. Rev. 109, 074512 (2024)
In this work we probe the QCD Anderson transition by studying spectral distributions of the massless overlap operator on gauge configurations created by the twisted mass at finite temperature collaboration (tmfT) with 2+1+1 flavors of dynamical quark
Externí odkaz:
http://arxiv.org/abs/2304.13617
Autor:
Roth, Johannes V., von Smekal, Lorenz
We present first calculations of critical spectral functions of the relaxational Models A, B, and C in the Halperin-Hohenberg classification using a real-time formulation of the functional renormalization group (FRG). We revisit the prediction by Son
Externí odkaz:
http://arxiv.org/abs/2303.11817
The HADES collaboration has extracted dilepton mass spectra for $\pi^-$ induced reactions on the proton from a comparison of data taken on C and CH$_2$ targets. The spectra were interpreted in terms of different versions of vector meson dominance. He
Externí odkaz:
http://arxiv.org/abs/2210.04788
Autor:
Ghanbarpour, Milad, von Smekal, Lorenz
In order to understand the puzzle of the free energy of an individual quark in QCD, we explicitly construct ensembles with quark numbers $N_V\neq 0\!\mod 3$, corresponding to non-zero triality in a finite subvolume $V$ on the lattice. We first illust
Externí odkaz:
http://arxiv.org/abs/2206.11697
In this paper we develop and compare different real-time methods to calculate spectral functions. These are classical-statistical simulations, the Gaussian state approximation (GSA), and the functional renormalization group (FRG) formulated on the Ke
Externí odkaz:
http://arxiv.org/abs/2112.12568