403 citations · 8.9k across the 314 of their papers we have counts for
115 papers · 1 filter
Effect of mesonic off-shell correlations in the PNJL equation of state
Konstantin Maslov, David Blaschke
We study the meson contribution to the equation of state of the 2-flavor PNJL model, including the full momentum dependence of the meson polarization loops. Within the Beth-Uhlenbe…
Cancellation of the sigma mode in the thermal pion gas by quark Pauli blocking
David Blaschke, Alexandra Friesen, Yuriy Kalinovsky
We calculate the pressure of the interacting pion gas using the Beth-Uhlenbeck approach to the relativistic virial expansion with Breit-Wigner phase shifts for the - and $\varrh…
Thermal production of sexaquarks in heavy-ion collisions
D. Blaschke, Larissa Bravina, Kyrill Bugaev +12
We present new results on the thermal production yield of a hypothetical state made of six quarks assuming its production in heavy-ion collisions at the CERN LHC. A state…
Induced surface and curvature tension equation of state for hadron resonance gas in finite volumes and its relation to morphological thermodynamics
K. A. Bugaev, O. V. Vitiuk, B. E. Grinyuk +12
Here we develop an original approach to investigate the grand canonical partition function of the multicomponent mixtures of Boltzmann particles with hard-core interaction in finit…
Mott dissociation and kaon to pion ratio in the EPNJL model
D. Blaschke, A. V. Friesen, Yu. L. Kalinovsky +1
The behaviour of pseudoscalar mesons within the SU(3)PNJL-like models is considered for finite T and . We compare the pole approximation (Breit-Wigner) with the Beth-Uhlenbeck…
Quark cluster expansion model for interpreting finite-T lattice QCD thermodynamics
D. Blaschke, Kirill A. Devyatyarov, Olaf Kaczmarek
We present a unified approach to the thermodynamics of hadron-quark-gluon matter at finite temperatures on the basis of a quark cluster expansion in the form of a generalized Beth-…
Chiral phase transition and kaon-to-pion ratios in the entanglement SU(3) PNJL model
D. Blaschke, A. V. Friesen, Yu. L. Kalinovsky +1
Within the three-flavor PNJL and EPNJL chiral quark models we have obtained pseudoscalar meson properties in quark matter at finite temperature and baryochemical potential $μ_B…
Resolution of hyper-triton chemical freeze-out puzzle in high energy nuclear collisions
O. V. Vitiuk, K. A. Bugaev, E. S. Zherebtsova +4
The recently developed hadron resonance gas model with multicomponent hard-core repulsion is used to address and resolve the long standing problem to describe the light nuclear clu…
QCD Phase Diagram at NICA energies: horn effect and light clusters in THESEUS
D. Blaschke, A. V. Friesen, Yu. B. Ivanov +5
We discuss recent progress in the development of the three-fluid hydrodynamics-based program THESEUS towards an event generator suitable for applications to heavy-ion collisions at…
Nonequilibrium pion distribution within the Zubarev approach
David Blaschke, Gerd Röpke, Dmitry N. Voskresensky +1
We discuss how the nonequilibrium process of pion production within the Zubarev approach of the nonequilibrium statistical operator leads to a theoretical foundation for the appear…
Classical excluded volumes of loosely bound light (anti)nuclei and their chemical freeze-out in heavy ion collisions
B. E. Grinyuk, K. A. Bugaev, V. V. Sagun +12
From the analysis of light (anti)nuclei multiplicities that were measured recently by the ALICE collaboration in Pb+Pb collisions at the center-of-mass collision energy $\sqrt{s_{N…
Using the Beth-Uhlenbeck approach to describe the kaon to pion ratio in a 2+1 flavor PNJL model
D. Blaschke, A. Friesen, Yu. Kalinovsky +1
The kaon to pion ratios are discussed in the framework of a 2+1 flavor PNJL model. In order to interpret the behaviour of bound states in medium the Beth-Uhlenbeck approach is used…
Low-momentum pion enhancement from schematic hadronization of a gluon-saturated initial state
Elizaveta Nazarova, Łukasz Juchnowski, David Blaschke +1
We study the particle production in the early stage of the ultrarelativistic heavy-ion collisions. To this end the Boltzmann kinetic equations for gluons and pions with elastic res…
On separate chemical freeze-outs of hadrons and light (anti)nuclei in high energy nuclear collisions
K. A. Bugaev, B. E. Grinyuk, A. I. Ivanytskyi +9
The multiplicities of light (anti)nuclei were measured recently by the ALICE collaboration in Pb+Pb collisions at the center-of-mass collision energy TeV. Sur…
Third family of compact stars within a nonlocal chiral quark model equation of state
D. E. Alvarez-Castillo, D. B. Blaschke, A. G. Grunfeld +1
A class of hybrid compact star equations of state is investigated that joins by a Maxwell construction a low-density phase of hadronic matter, modeled by a relativistic meanfield a…
Effects of composite pions on the chiral condensate within the PNJL model at finite temperature
D. Blaschke, A. Dubinin, D. Ebert +1
We investigate the effect of composite pions on the behaviour of the chiral condensate at finite temperature within the Polyakov-loop improved NJL model. To this end we treat quark…
Strange matter in compact stars
Thomas Klaehn, David Blaschke
We discuss possible scenarios for the existence of strange matter in compact stars. The appearance of hyperons leads to a hyperon puzzle in ab-initio approaches based on effective…
Threshold Collision Energy of the QCD Phase Diagram Tricritical Endpoint
K. A. Bugaev, R. Emaus, V. V. Sagun +7
Using the most advanced formulation of the hadron resonance gas model we analyze the two sets of irregularities found at chemical freeze-out of central nuclear-nuclear collisions a…
Formation of hadrons at chemical freeze-out
David Blaschke, Jakub Jankowski, Michal Naskret
We use a kinetic condition to predict the chemical freeze-out parameters for hadronic species produced in heavy ion collisions. The resulting freeze-out lines for different hadrons…
Particle Production in Strong Time-dependent Fields
D. B. Blaschke, S. A. Smolyansky, A. Panferov +1
In these lecture notes we give an introduction to the kinetic equation approach to pair production form the vacuum in strong, time-dependent external fields (dynamical Schwinger pr…
Hadron Resonance Gas Model with Induced Surface Tension
V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi +6
Here we present a physically transparent generalization of the multicomponent Van der Waals equation of state in the grand canonical ensemble. For the one-component case the third…
Variational path-integral approach to back-reactions of composite mesons in the Nambu-Jona-Lasinio model
D. Blaschke, D. Ebert
For the investigation of back-reactions of composite mesons in the NJL model, a variational path-integral treatment is formulated which yields an effective action $\mathscr{A}_{\rm…
Generalized Beth-Uhlenbeck approach to the equation of state for quark-hadron matter
D. Blaschke, A. Dubinin, L. Turko
A unified equation of state for quark-hadron matter is presented in the generalized Beth-Uhlenbeck form. It follows from a derivable approach to the thermodynamic potential whe…
Mott-hadron resonance gas and lattice QCD thermodynamics
D. Blaschke, A. Dubinin, L. Turko
A unified equation of state for quark-hadron matter is presented in the generalized Beth-Uhlenbeck form. It follows from a derivable approach to the thermodynamic potential whe…