937 citations · 1.1k across the 11 of their papers we have counts for
11 papers
Universality and variability of the heavy r-process element abundance pattern from a nonequilibrium approach
David Blaschke, Friedrich K. Röpke, Gerd Röpke
A striking feature in the observed chemical composition of the majority of stars is the universality of the relative abundances of the heavy elements, although some outliers exist.…
Generalized Beth-Uhlenbeck approach to the thermodynamics of quark-hadron matter
David Blaschke, Oleksii Ivanytskyi, Gerd Röpke
We present a unified approach to the transition from hadronic matter to quark matter where hadrons are treated as bound states of quarks which dissociate at high densities due to q…
Speed of sound of QCD matter at chiral crossover
Oleksii Ivanytskyi, David Blaschke, Gerd Röpke
Based on a generalized Beth-Uhlenbeck approach to thermodynamics of QCD motivated by cluster decomposition we present a unified equation of state of hot strongly interacting matter…
Nonequilibrium Phenomenology of Identified Particle Spectra in Heavy-Ion Collisions at LHC Energies
Oleksandr Vitiuk, David Blaschke, Benjamin Dönigus +1
We employ the Zubarev approach of the non-equilibrium statistical operator to investigate the enhancement of the low- region of pion spectra, introducing an effective pion che…
Virial coefficients of the Uniform Electron Gas from Path Integral Monte Carlo Simulations
Gerd Röpke, Tobias Dornheim, Jan Vorberger +2
The properties of plasmas in the low-density limit are described by virial expansions. Analytical expressions are known from Green's function approaches only for the first three vi…
Contribution of electron-atom collisions to the plasma conductivity of noble gases
Sebastian Rosmej, Heidi Reinholz, Gerd Röpke
We present an approach which allows the consistent treatment of bound states in the context of the dc conductivity in dense partially ionized noble gas plasmas. Besides electron-io…
Constraining supernova equations of state with equilibrium constants from heavy-ion collisions
Matthias Hempel, Kris Hagel, Joseph Natowitz +2
Cluster formation is a fundamental aspect of the equation of state (EOS) of warm and dense nuclear matter such as can be found in supernovae (SNe). Similar matter can be studied in…
Dielectric function beyond RPA: kinetic theory vs. linear response theory
Heidi Reinholz, Gerd Röpke
Calculating the frequency dependent dielectric function for strongly coupled plasmas, the relations within kinetic theory and linear response theory are derived and discussed in co…
Cluster virial expansion for the equation of state of partially ionized hydrogen plasma
Yultuz A. Omarbakiyeva, Carsten Fortmann, T. S. Ramazanov +1
We study the contribution of electron-atom interaction to the equation of state for partially ionized hydrogen plasma using the cluster-virial expansion. For the first time, we use…
Composition and thermodynamics of nuclear matter with light clusters
S. Typel, G. Röpke, T. Klähn +2
We investigate nuclear matter at finite temperature and density, including the formation of light clusters up to the alpha particle The novel feature of this work is to include the…
Deuteron life-time in hot and dense nuclear matter near equilibrium
M. Beyer, G. Roepke
We consider deuteron formation in hot and dense nuclear matter close to equilibrium and evaluate the life-time of the deuteron fluctuations within the linear response theory. To th…