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Meson Screening Masses in (2+1)-Flavor QCD
Alexei Bazavov, Simon Dentinger, Heng-Tong Ding +13
We present lattice QCD results for mesonic screening masses in the temperature range 140 MeV 2500 MeV. Our calculations were carried out using (2+1)-flavors o…
Chiral crossover in QCD at zero and non-zero chemical potentials
A. Bazavov, H. -T. Ding, P. Hegde +14
We present results for pseudo-critical temperatures of QCD chiral crossovers at zero and non-zero values of baryon (), strangeness (), electric charge (), and isospin (…
Equation of state in (2+1) flavor QCD at high temperatures
Johannes Heinrich Weber, Alexei Bazavov, Peter Petreczky
We calculate the Equation of State at high temperatures in (2+1) flavor QCD using the highly improved staggered quark (HISQ) action. We study the lattice spacing dependence of the…
The fate of axial U(1) in 2+1 flavor QCD towards the chiral limit
Lukas Mazur, Olaf Kaczmarek, Edwin Laermann +1
The region of the Columbia plot with two light quark flavors is not yet conclusively understood. Non-perturbative effects, e.g. the magnitude of the anomalous U(1) axial symmetry b…
Equation of state in (2+1)-flavor QCD at physical point with improved Wilson fermion action using gradient flow
QCD Collaboration, Kazuyuki Kanaya, Shinji Ejiri +5
We study the energy-momentum tensor and the equation of state as well as the chiral condensate in (2+1)-flavor QCD at the physical point applying the method of Makino and Suzuki ba…
Equation of State in 2+1 Flavor QCD at High Temperatures
A. Bazavov, P. Petreczky, J. H. Weber
We calculate the Equation of State at high temperatures in 2+1 flavor QCD using the highly improved staggered quark action. We study the lattice spacing dependence of the pressure…
Skewness and kurtosis of net baryon-number distributions at small values of the baryon chemical potential
HotQCD Collaboration, A. Bazavov, H. -T. Ding +16
We present results for the ratios of mean (), variance (), skewness ( and kurtosis () of net baryon-number fluctuations obtained in lattice QCD calculations…
The QCD Equation of State to from Lattice QCD
A. Bazavov, H. -T. Ding, P. Hegde +13
We calculated the QCD equation of state using Taylor expansions that include contributions from up to sixth order in the baryon, strangeness and electric charge chemical potentials…
The topological structures in strongly coupled QGP with chiral fermions on the lattice
Sayantan Sharma, Viktor Dick, Frithjof Karsch +2
The nature of chiral phase transition for two flavor QCD is an interesting but unresolved problem. One of the most intriguing issues is whether or not the anomalous U(1) symmetry i…
Conserved Charge Fluctuations from Lattice QCD and the Beam Energy Scan
F. Karsch, A. Bazavov, H. -T. Ding +11
We discuss the next-to-leading order Taylor expansion of ratios of cumulants of net-baryon number fluctuations. We focus on the relation between the skewness ratio, $S_Bσ_B = χ_3^B…
The U(1)A anomaly in high temperature QCD with chiral fermions on the lattice
Sayantan Sharma, Viktor Dick, Frithjof Karsch +2
The magnitude of the symmetry breaking is expected to affect the nature of QCD chiral phase transition. The explicit breaking of chiral symmetry due to realistic l…
The curvature of the freeze-out line in heavy ion collisions
A. Bazavov, H. -T. Ding, P. Hegde +10
We calculate the mean and variance of net-baryon number and net-electric charge distributions from Quantum Chromodynamics (QCD) using a next-to-leading order Taylor expansion in te…
Microscopic Origin of \boldmath{} Symmetry Violation in the High Temperature Phase of QCD
Viktor Dick, Frithjof Karsch, Edwin Laermann +2
We investigate the low-lying eigenmodes of the Dirac matrix with the aim to gain more insight into the temperature dependence of the anomalous symmetry. We use the overlap…
The equation of state in (2+1)-flavor QCD
A. Bazavov, Tanmoy Bhattacharya, C. DeTar +17
We present results for the equation of state in (2+1)-flavor QCD using the highly improved staggered quark action and lattices with temporal extent , and . We sho…
Additional Strange Hadrons from QCD Thermodynamics and Strangeness Freeze-out in Heavy Ion Collisions
A. Bazavov, H. -T. Ding, P. Hegde +11
We compare lattice QCD results for appropriate combinations of net strangeness fluctuations and their correlations with net baryon number fluctuations with predictions from two had…
The melting and abundance of open charm hadrons
A. Bazavov, H. -T. Ding, P. Hegde +11
Ratios of cumulants of conserved net charge fluctuations are sensitive to the degrees of freedom that are carriers of the corresponding quantum numbers in different phases of stron…
Investigation of the in high temperature QCD on the lattice
Sayantan Sharma, Viktor Dick, Frithjof Karsch +2
In this project we study the effect of the anomaly for (2+1)-flavour QCD at high temperature. We apply the overlap operator as a tool to probe the topological properties o…
The thermodynamic and the continuum limit of meson screening masses
Olaf Kaczmarek, Edwin Laermann, Marcel Müller
We present results on the thermodynamic and continuum limit of meson screening masses in the deconfined phase, using standard staggered and non-perturbatively clover-improved Wilso…
Making the most of Taylor expansion and imaginary chemical potential
E. Laermann, F. Meyer, M. P. Lombardo
We present preliminary results for the curvature of the pseudocritical line and susceptibilities in Nf = 2 + 1 flavor QCD. The computations are carried out on lattice sizes of 16x1…
Strangeness at high temperatures: from hadrons to quarks
A. Bazavov, H. -T. Ding, P. Hegde +11
Appropriate combinations of up to fourth order cumulants of net strangeness fluctuations and their correlations with net baryon number and electric charge fluctuations, obtained fr…
Thermal dilepton rates from quenched lattice QCD
H. -T. Ding, A. Francis, O. Kaczmarek +5
We present new lattice results on the continuum extrapolation of the vector current correlation function. Lattice calculations have been carried out in the deconfined phase at a te…
Taste symmetry violation at finite temperature
Edwin Laermann, Fabrizio Pucci
Symmetries play a distinctive role at the high temperature phase transition in QCD. Therefore the spectrum of screening masses has been investigated with emphasis on taste breaking…
Freeze-out Conditions in Heavy Ion Collisions from QCD Thermodynamics
A. Bazavov, H. -T. Ding, P. Hegde +9
We present a determination of chemical freeze-out conditions in heavy ion collisions based on ratios of cumulants of net electric charge fluctuations. These ratios can reliably be…
Taste symmetry breaking at finite temperature
Edwin Laermann, Fabrizio Pucci
The breaking of the taste symmetry is studied in the temperature range between 140 MeV to 550 MeV. In order to investigate this violation we have calculated the screening masses of…