254 citations · 738 across the 21 of their papers we have counts for
21 papers
Lattice QCD estimates of thermal photon production from the QGP
Sajid Ali, Dibyendu Bala, Anthony Francis +5
Thermal photons produced in heavy-ion collision experiments are an important observable for understanding quark-gluon plasma (QGP). The thermal photon rate from the QGP at a given…
Curvature of the chiral phase transition line from the magnetic equation of state of (2+1)-flavor QCD
H. -T. Ding, O. Kaczmarek, F. Karsch +4
We analyze the dependence of the chiral phase transition temperature on baryon number and strangeness chemical potentials by calculating the leading order curvature coefficients in…
Lattice -field correlators for heavy quarks
Luis Altenkort, David de la Cruz, Olaf Kaczmarek +2
We analyze the color-magnetic (or "") field two-point function that encodes the finite-mass correction to the heavy quark momentum diffusion coefficient. The simulations are don…
Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCD
Luis Altenkort, David de la Cruz, Olaf Kaczmarek +6
We present the first study of the quark mass dependence of the heavy quark momentum and spatial diffusion coefficients using lattice QCD with light dynamical quarks corresponding t…
SIMULATeQCD: A simple multi-GPU lattice code for QCD calculations
Lukas Mazur, Dennis Bollweg, David A. Clarke +14
The rise of exascale supercomputers has fueled competition among GPU vendors, driving lattice QCD developers to write code that supports multiple APIs. Moreover, new developments i…
Study of quarkonium in QGP from unquenched lattice QCD
Sajid Ali, Dibyendu Bala, Olaf Kaczmarek +2
This paper discusses the charmonium and bottomonium correlators in the pseudoscalar channel and the corresponding spectral reconstruction on the lattice. The absence of a transport…
Heavy Quark Diffusion from 2+1 Flavor Lattice QCD with 320 MeV Pion Mass
Luis Altenkort, Olaf Kaczmarek, Rasmus Larsen +4
We present the first calculations of the heavy flavor diffusion coefficient using lattice QCD with light dynamical quarks. For temperatures ,…
Viscosity of pure-glue QCD from the lattice
Luis Altenkort, Alexander M. Eller, Anthony Francis +4
We calculate shear viscosity and bulk viscosity in SU(3) gauge theory on the lattice at . The viscosities are extracted via a Kubo formula from the reconstructed spectra…
Lattice QCD noise reduction for bosonic correlators through blocking
Luis Altenkort, Alexander M. Eller, O. Kaczmarek +3
We propose a method to substantially improve the signal-to-noise ratio of lattice correlation functions for bosonic operators or other operator combinations with disconnected contr…
Continuum extrapolation of the gradient-flowed color-magnetic correlator at
Luis Altenkort, Alexander M. Eller, Olaf Kaczmarek +3
In a recently published work we employ gradient flow on the lattice to extract the leading contribution of the heavy quark momentum diffusion coefficient in the heavy quark limit f…
HotQCD on Multi-GPU Systems
Luis Altenkort, Dennis Bollweg, David Anthony Clarke +5
We present , HotQCD's software for performing lattice QCD calculations on GPUs. Started in late 2017 and intended as a full replacement of the previous single…
Spectral reconstruction details of a gradient-flowed color-electric correlator
Luis Altenkort, Alexander M. Eller, Olaf Kaczmarek +3
In a recently published work we provide a proof-of-concept of a novel method to extract the heavy quark momentum diffusion coefficient from color-electric correlators on the lattic…
The sphaleron rate from Euclidean lattice correlators: an exploration
Luis Altenkort, Alexander M. Eller, Olaf Kaczmarek +3
We show how the sphaleron rate (the Minkowski rate for topological charge diffusion) can be determined by analytical continuation of the Euclidean topological-charge-density two-po…
Heavy quark momentum diffusion from the lattice using gradient flow
Luis Altenkort, Alexander M. Eller, Olaf Kaczmarek +3
We apply the gradient flow on a color-electric two-point function that encodes the heavy quark momentum diffusion coefficient. The simulations are done on fine isotropic lattices i…
Open-charm Euclidean correlators within heavy-meson EFT interactions
Glòria Montaña, Olaf Kaczmarek, Laura Tolos +1
The open-charm Euclidean correlators have been computed for the first time using the thermal spectral functions extracted from a finite-temperature self-consistent unitarized appro…
Euclidean correlation functions of the topological charge density
Lukas Mazur, Luis Altenkort, Olaf Kaczmarek +1
We present first results of our study on the Euclidean topological charge density correlation function. In order to get a well defined topological charge density and to improve the…
Color-electric correlation functions under gradient flow
Luis Altenkort, Olaf Kaczmarek, Lukas Mazur +1
We report on the progress of our study on the color-electric correlation functions under gradient flow on the lattice. This calculation is the first step of our long-term project t…
Open-Boundary Conditions in the Deconfined Phase
Adrien Florio, Olaf Kaczmarek, Lukas Mazur
In this work, we consider open-boundary conditions at high temperatures, as they can potentially be of help to measure the topological susceptibility. In particular, we measure the…
Extraction of Heavy-Flavor Transport Coefficients in QCD Matter
R. Rapp, P. B. Gossiaux, A. Andronic +28
We report on broadly based systematic investigations of the modeling components for open heavy-flavor diffusion and energy loss in strongly interacting matter in their application…
Thermal Simulations, Open Boundary Conditions and Switches
Yannis Burnier, Adrien Florio, Olaf Kaczmarek +1
gauge theories on compact spaces have a non-trivial vacuum structure characterized by a countable set of topological sectors and their topological charge. In lattice simula…
Heavy-flavor production and medium properties in high-energy nuclear collisions - What next?
G. Aarts, J. Aichelin, C. Allton +46
Open and hidden heavy-flavor physics in high-energy nuclear collisions are entering a new and exciting stage towards reaching a clearer understanding of the new experimental result…