318 citations · 2.1k across the 57 of their papers we have counts for
49 papers · 1 filter
Persistent nonequilibrium effects in generalized Langevin dynamics of nonrelativistic and relativistic particles
Weiguo Chen, Carsten Greiner, Zhe Xu
Persistent nonequilibrium effects such as the memory of the initial state, the ballistic diffusion, and the break of the equipartition theorem and the ergodicity in Brownian motion…
Propagation of spin channel waves
Jin Hu, Zhe Xu
A mutilated model is constructed to approximate the collision term of spin Boltzmann equation that incorporates newly appearing collisional invariants i.e, the total angular moment…
Incomplete electromagnetic response of hot QCD matter
Zeyan Wang, Jiaxing Zhao, Carsten Greiner +2
The electromagnetic response of hot QCD matter to decaying external magnetic fields is investigated. We examine the validity of Ohm's law and find that the induced electric current…
Collectivity in small systems - Initial state vs. final state effects
Moritz Greif, Carsten Greiner, Björn Schenke +2
Observations of long rang azimuthal correlations in small collision systems (p+p/A) have triggered an enormous excitement in the heavy-ion community. However, it is presently uncle…
Magnetic field influence on the early time dynamics of heavy-ion collisions
Moritz Greif, Carsten Greiner, Zhe Xu
In high energy heavy-ion collisions the magnetic field is very strong right after the nuclei penetrate each other and a non-equilibrium system of quarks and gluons builds up. Even…
Kinetic description of Bose-Einstein condensation with test particle simulations
Kai Zhou, Zhe Xu, Pengfei Zhuang +1
We present a kinetic description of Bose-Einstein condensation for particle systems being out of thermal equilibrium, which may happen for gluons produced in the early stage of ult…
Nonequilibrium photon production in partonic transport simulations
Moritz Greif, Florian Senzel, Heiner Kremer +3
We discuss the implementation of leading-order photon production in nonequilibrium partonic transport simulations. In this framework photons are produced by microscopic scatterings…
Dynamical scheme for hadronization with first-order phase transition
Bohao Feng, Zhe Xu, Carsten Greiner
We present a dynamical scheme for hadronization with first-order confinement phase transition. The thermodynamical conditions of phase equilibrium, the fluid velocity profile, and…
The different energy loss mechanisms of inclusive and b-tagged reconstructed jets within ultra-relativistic heavy-ion collisions
Florian Senzel, Jan Uphoff, Zhe Xu +1
The phenomenon of jet quenching provides essential information about the properties of hot and dense matter created in ultra-relativistic heavy-ion collisions. Recent results from…
Charmonium Production with QGP and Hadron Gas Effects at SPS and FAIR
Baoyi Chen
The production of charmonium in heavy-ion collisions is investigated based on Boltzmann-type transport model for charmonium evolution and langevin equation for charm quark evolutio…
Undersaturation of quarks at early stages of relativistic nuclear collisions: the hot glue initial scenario and its observable signatures
H. Stoecker, M. Beitel, T. S. Biró +17
The early stage of high multiplicity nuclear collisions is represented by a nearly quarkless, hot, deconfined pure gluon plasma. This new scenario should be characterized by a supp…
Glueballs amass at RHIC and LHC Colliders! - The early quarkless 1st order phase transition at MeV - from pure Yang-Mills glue plasma to GlueBall-Hagedorn states
Horst Stoecker, Kai Zhou, Stefan Schramm +18
The early stage of high multiplicity pp, pA and AA collider is represented by a nearly quarkless, hot, deconfined pure gluon plasma. According to pure Yang-Mills Lattice Gauge Theo…
Magnetic Field Effect on Charmonium Production in High Energy Nuclear Collisions
Xingyu Guo, Shuzhe Shi, Nu Xu +2
It is important to understand the strong external magnetic field generated at the very beginning of high energy nuclear collisions. We study the effect of the magnetic field on the…
Thermalization of gluons with Bose-Einstein condensation
Zhe Xu, Kai Zhou, Pengfei Zhuang +1
We study the thermalization of gluons far from thermal equilibrium in relativistic kinetic theory. The initial distribution of gluons is assumed to resemble that in the early stage…
Elastic and radiative heavy quark interactions in ultra-relativistic heavy-ion collisions
Jan Uphoff, Oliver Fochler, Zhe Xu +1
Elastic and radiative heavy quark interactions with light partons are studied with the partonic transport description BAMPS (Boltzmann Approach to MultiParton Scatterings). After c…
Elliptic flow and nuclear modification factor in ultra-relativistic heavy-ion collisions within a partonic transport model
Jan Uphoff, Oliver Fochler, Florian Senzel +3
The quark gluon plasma produced in ultra-relativistic heavy-ion collisions exhibits remarkable features. It behaves like a nearly perfect liquid with a small shear viscosity to ent…
Mach cones in viscous heavy-ion collisions
I. Bouras, B. Betz, Z. Xu +1
The formation of Mach cones is studied in a full -dimensional setup of ultrarelativistic heavy-ion collisions, considering a transverse and longitudinal expanding medium at…
Heavy vs. light flavor energy loss within a partonic transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The full space-time evolution of gluons, light and heavy quarks in ultra-relativistic heavy-ion collisions is studied within the partonic transport model Boltzmann Approach to Mult…
Momentum imbalance of D mesons in ultra-relativistic heavy-ion collisions at LHC
Jan Uphoff, Florian Senzel, Zhe Xu +1
As a new observable for heavy flavor correlations the momentum imbalance of D mesons is proposed. It is defined analogously to the jet momentum imbalance of fully recon…
Influence of multiple in-medium scattering processes on the momentum imbalance of reconstructed di-jets
Florian Senzel, Oliver Fochler, Jan Uphoff +2
Experimental data measured in sqrt(s)=2.76 TeV Pb+Pb collisions at the LHC show a significant enhancement of events with an unbalanced pair of reconstructed jet momenta in comparis…
Radiative parton processes in perturbative QCD - an improved version of the Gunion and Bertsch cross section from comparisons to the exact result
Oliver Fochler, Jan Uphoff, Zhe Xu +1
In this work we compare the Gunion-Bertsch approximation of the leading order perturbative QCD radiation matrix element to the exact result. To this end, we revisit the derivation…
Open heavy flavor and J/psi at RHIC and LHC within a transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The production and space-time evolution of heavy quarks and J/psi in the quark gluon plasma is studied within the partonic transport model Boltzmann Approach to MultiParton Scatter…
Open heavy flavor and J/psi at RHIC and LHC
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The suppression and collective flow of open and hidden heavy flavor in ultra-relativistic heavy ion collisions is studied with the partonic transport model Boltzmann Approach to Mu…
RHIC and LHC phenomena with an unified parton transport
Ioannis Bouras, Andrej El, Oliver Fochler +6
We discuss recent applications of the partonic pQCD based cascade model BAMPS with focus on heavy-ion phenomeneology in hard and soft momentum range. The nuclear modification facto…