1.1k citations · 4.6k across the 91 of their papers we have counts for
100 papers
Non-equilibrium scaling across first-order transitions with relativistic scalar fields
Leon J. Sieke, Jessica Fuchs, Lorenz von Smekal
We investigate the out-of-equilibrium dynamics of a relativistic -symmetric scalar field theory with Langevin dynamics in two and three spatial dimensions under linear driving…
Chiral Magnetic Effect and Negative Magnetoresistance across the phase diagram of finite-density SU(2) gauge theory
P. V. Buividovich, L. von Smekal, D. Smith
We study the signatures of the Chiral Magnetic Effect (CME) in gauge theory with flavours of dynamical fermions at finite temperature , quark chemical potentia…
Renormalization-Group Invariant Parity-Doublet Model for Nuclear and Neutron-Star Matter
Mattia Recchi, Lorenz von Smekal, Jochen Wambach
The Parity-Doublet Model (PDM) is a chirally invariant effective theory for strong-interaction matter involving nucleons and their opposite-parity partners in a parity-doubling fra…
Dynamic critical behavior of the chiral phase transition from the real-time functional renormalization group
Johannes V. Roth, Yunxin Ye, Sören Schlichting +1
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…
Medium modification of pion production in low energy Au+Au collisions
Christian Kummer, Kai Gallmeister, Lorenz von Smekal
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 H…
Medium induced mixing, spatial modulations and critical modes in QCD
Maximilian Haensch, Fabian Rennecke, Lorenz von Smekal
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 extensi…
QCD Anderson transition with overlap valence quarks on a twisted-mass sea
Robin Kehr, Dominik Smith, Lorenz von Smekal
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…
Critical dynamics in a real-time formulation of the functional renormalization group
Johannes V. Roth, Lorenz von Smekal
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 fu…
Dilepton Decay of Low-mass Mesons
K. Gallmeister, U. Mosel, L. von Smekal
The HADES collaboration has extracted dilepton mass spectra for induced reactions on the proton from a comparison of data taken on C and CH targets. The spectra were inte…
Quarks and Triality in a Finite Volume
Milad Ghanbarpour, Lorenz von Smekal
In order to understand the puzzle of the free energy of an individual quark in QCD, we explicitly construct ensembles with quark numbers , corresponding to non-z…
Real-time methods for spectral functions
Johannes V. Roth, Dominik Schweitzer, Leon J. Sieke +1
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…
Critical dynamics of relativistic diffusion
Dominik Schweitzer, Sören Schlichting, Lorenz von Smekal
We study the dynamics of self-interacting scalar fields with symmetry governed by a relativistic Israel-Stuart type diffusion equation in the vicinity of a critical point. We…
Effects of chiral symmetry restoration on meson and dilepton production in relativistic heavy-ion collisions
A. B. Larionov, L. von Smekal
We include effects of chiral symmetry and its restoration in the kinetic equations for baryon propagation and explore the consequences for , , and dilepton production i…
Self-consistent model spectral functions from analytically continued FRG flows
Christopher Jung, Jan-Hendrik Otto, Ralf-Arno Tripolt +1
In this paper we explore practicable ways for self-consistent calculations of spectral functions from analytically continued functional renormalization group (aFRG) flow equations.…
Quantum phase transitions on the hexagonal lattice
Dominik Smith, Pavel Buividovich, Michael Körner +2
Hubbard-type models on the hexagonal lattice are of great interest, as they provide realistic descriptions of graphene and other related materials. Hybrid Monte Carlo simulations o…
Numerical analytic continuation of Euclidean data
Ralf-Arno Tripolt, Philipp Gubler, Maksim Ulybyshev +1
In this work we present a direct comparison of three different numerical analytic continuation methods: the Maximum Entropy Method, the Backus-Gilbert method and the Schlessinger p…
The role of frequency dependence in dynamical gap generation in graphene
M. E. Carrington, C. S. Fischer, L. von Smekal +1
We study the frequency dependencies of the fermion and photon dressing functions in dynamical gap generation in graphene. We use a low energy effective QED-like description, but wi…
Spectrum of QCD at Finite Isospin Density
Philipp Scior, Lorenz von Smekal, Dominik Smith
We study the phase diagram of QCD at finite isospin density using two flavors of staggered quarks. We investigate the low temperature region of the phase diagram where we find a pi…
The low-temperature behavior of the quark-meson model
Ralf-Arno Tripolt, Bernd-Jochen Schaefer, Lorenz von Smekal +1
We revisit the phase diagram of strong-interaction matter for the two-flavor quark-meson model using the Functional Renormalization Group. In contrast to standard mean-field calcul…
A Hybrid-Monte-Carlo study of monolayer graphene with partially screened Coulomb interactions at finite spin density
Michael Körner, Dominik Smith, Pavel Buividovich +2
We report on Hybrid-Monte-Carlo simulations at finite spin density of the -band electrons in monolayer graphene with realistic inter-electron interactions. Unlike simulations at…
Inter-electron interactions and the RKKY potential between H adatoms in graphene
Pavel Buividovich, Dominik Smith, Maksim Ulybyshev +1
We use first-principles Quantum Monte-Carlo simulations to study the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between hydrogen adatoms attached to a graphene sheet. We find…
Two-colour QCD at finite density with two flavours of staggered quarks
Lukas Holicki, Jonas Wilhelm, Dominik Smith +2
In this contribution we revisit simulations of two-color QCD with rooted staggered quarks at finite density, where baryon-number spontaneously breaks and a diquark condensate forms…
Non-Local effective SU(2) Polyakov-loop models from inverse Monte-Carlo methods
Bardiya Bahrampour, Björn Wellegehausen, Lorenz von Smekal
The strong-coupling expansion of the lattice gauge action leads to Polyakov-loop models that effectively describe gluodynamics at low temperatures, and together with the hopping ex…
Competing order in the fermionic Hubbard model on the hexagonal graphene lattice
Pavel Buividovich, Dominik Smith, Maksim Ulybyshev +1
We study the phase diagram of the fermionic Hubbard model on the hexagonal lattice in the space of on-site and nearest neighbor couplings with Hybrid-Monte-Carlo simulations. With…