197 citations · 1.1k across the 39 of their papers we have counts for
36 papers · 1 filter
Static Quark-Antiquark Interactions Under Rotation
Heng-Tong Ding, Olaf Kaczmarek, Ran Luo +1
We study static quark--antiquark interactions in rotating SU(3) gluodynamics using quenched lattice simulations at imaginary angular velocity. At zero temperature, we extract the s…
Lattice study of spin interactions between heavy quarks in the quark-gluon plasma
Dibyendu Bala, Olaf Kaczmarek, Sayantan Sharma +1
We calculate the spin-dependent potential, which is the correction term to the thermal potential between a static quark-antiquark pair within non-relativistic…
Thermal Static Potential and Pseudo-Scalar Quarkonium Spectral Functions from 2+1 Flavor Lattice QCD
Sajid Ali, Dibyendu Bala, Olaf Kaczmarek +1
Quarkonia, which are bound states of a heavy quark and antiquark, play a key role in probing the quark-gluon plasma (QGP). The dynamics of quarkonia in the QGP are encoded in their…
Finite Temperature Quarkonia Spectral Functions in the Pseudoscalar Channel
Dibyendu Bala, Sajid Ali, Olaf Kaczmarek +1
Quarkonia, the bound states of heavy quark-antiquark pairs, are important tools for studying the quark-gluon plasma (QGP). In this study, we examine the behavior of in-medium quark…
Pseudo-scalar meson spectral properties in the chiral crossover region of QCD
Dibyendu Bala, Olaf Kaczmarek, Peter Lowdon +2
Determining the type of excitations that can exist in a thermal medium is key to understanding how hadronic matter behaves at extreme temperatures. In this work we study this quest…
Study of charm and beauty in QGP from unquenched lattice QCD
Sajid Ali, Dibyendu Bala, Olaf Kaczmarek +2
We present charmonium and bottomonium correlators and corresponding reconstructed spectral functions from full QCD calculations in the pseudoscalar channel. Correlators are obtaine…
Photon production rate from Transverse-Longitudinal () mesonic correlator on the lattice
Dibyendu Bala, Sajid Ali, Anthony Francis +3
Thermal photons from the QGP provide important information about the interaction among plasma constituents. The photon production rate from a thermally equilibrated system is propo…
Flavored aspects of QCD thermodynamics from Lattice QCD
Olaf Kaczmarek
We discuss recent progress in lattice QCD studies on various aspects involving strange quarks. Appropriate combinations of conserved net strange and net charm fluctuations and thei…
Spectral and transport properties from lattice QCD
Olaf Kaczmarek, Hai-Tao Shu
In these lecture notes we will discuss recent progress in extracting spectral and transport properties from lattice QCD. We will focus on results of probes of the thermal QCD mediu…
Static Potential At Non-zero Temperatures From Fine Lattices
D. Hoying, A. Bazavov, D. Bala +7
We report on a preliminary study of static quark anti-quark potential at non-zero temperature in flavor QCD using lattices with lattice spacing fm,…
Charm and beauty in the deconfined plasma from quenched lattice QCD
Heng-Tong Ding, Olaf Kaczmarek, Anna-Lena Lorenz +3
We present continuum extrapolated results of charmonium and bottomonium correlators in the vector channel at several temperatures below and above . The continuum extrapolation…
Thermal modifications of quarkonia and heavy quark diffusion from a comparison of continuum-extrapolated lattice results to perturbative QCD
Anna-Lena Lorenz, Heng-Tong Ding, Olaf Kaczmarek +3
We investigate the in-medium modifications of heavy quarkonia in the vector channel and the heavy quark diffusion coefficient by comparing Euclidean correlators from the lattice to…
Insight into thermal modifications of quarkonia from a comparison of continuum-extrapolated lattice results to perturbative QCD
H. -T. Ding, O. Kaczmarek, A. -L. Kruse +2
In this work, we strive to gain insight into thermal modifications of charmonium and bottomonium bound states as well as the heavy quark diffusion coefficient. The desired informat…
Charmonium and bottomonium spectral functions in the vector channel
Heng-Tong Ding, Olaf Kaczmarek, Anna-Lena Kruse +6
In this paper we report our results on quarkonium spectral functions in the vector channel obtained from quenched lattice QCD simulations at . The calculation…
Stochastic reconstructions of spectral functions: Application to lattice QCD
Heng-Tong Ding, Olaf Kaczmarek, Swagato Mukherjee +2
We present a detailed study of the applications of two stochastic approaches, stochastic optimization method (SOM) and stochastic analytical inference (SAI), to extract spectral fu…
Thermal modifications of charmonia and bottomonia from spatial correlation functions
Heng-Tong Ding, Olaf Kaczmarek, Anna-lena Kruse +4
We present our study on the thermal modifications of charmonia and bottomonia from spatial correlation functions at zero and nonzero momenta in quenched QCD. To accommodate the hea…
Continuum extrapolation of quarkonium correlators at non-zero temperature
Heng-Tong Ding, Olaf Kaczmarek, Anna-Lena Kruse +2
In the investigation of in-medium modifications of quarkonia and for determining heavy quark diffusion coefficients, correlation functions play a crucial role. For the first time w…
Thermal quarkonium physics in the pseudoscalar channel
Y. Burnier, H. -T. Ding, O. Kaczmarek +4
The pseudoscalar correlator is an ideal lattice probe for thermal modifications to quarkonium spectra, given that it is not compromised by a contribution from a large transport pea…
Lattice QCD results on soft and hard probes of strongly interacting matter
Olaf Kaczmarek
We present recent results from lattice QCD relevant for the study of strongly interacting matter as it is produced in heavy ion collision experiments. The equation of state at non-…
Lattice constraints on the thermal photon rate
J. Ghiglieri, O. Kaczmarek, M. Laine +1
We estimate the photon production rate from an SU(3) plasma at temperatures of about 1.1Tc and 1.3Tc. Lattice results for the vector current correlator at spatial momenta k ~ (2-6)…
Thermal dilepton rates and electrical conductivity of the QGP from the lattice
Heng-Tong Ding, Olaf Kaczmarek, Florian Meyer
We investigate the temperature dependence of the thermal dilepton rate and the electrical conductivity of the gluon plasma at temperatures of , and in que…
A stochastic approach to the reconstruction of spectral functions in lattice QCD
Hai-Tao Shu, Heng-Tong Ding, Olaf Kaczmarek +2
We present a Stochastic Optimization Method (SOM) for the reconstruction of the spectral functions (SPFs) from Euclidean correlation functions. In this approach the SPF is paramete…
A non-perturbative estimate of the heavy quark momentum diffusion coefficient
A. Francis, O. Kaczmarek, M. Laine +2
We estimate the momentum diffusion coefficient of a heavy quark within a pure SU(3) plasma at a temperature of about 1.5Tc. Large-scale Monte Carlo simulations on a series of latti…
Quark mass dependence of quarkonium properties at finite temperature
H. Ohno, H. -T. Ding, O. Kaczmarek
Quarkonium properties at finite temperature have been studied with quark masses of the charm and bottom quarks. Our simulations have been performed in quenched QCD with the -…