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10/15/26, 6:00 PM
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(5th week, Nov. 9-13) Theoretical Developments in QCD and related topics
We discuss recent applications of the Tensor Renormalization Group (TRG) for lattice field theory: 1) relation between zeros of the partition function and spectral gaps, 2) quantum engineering of plaquette interactions, and 3) phase shifts and resonances in real-time calculations.
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Oleg Komoltsev (Goethe-Universität Frankfurt am Main)(3rd week, Oct. 26-30) Symposium
As our understanding of cold, extremely dense matter grows, a multidisciplinary approach that combines recent progress in multimessenger neutron-star observations with theoretical knowledge of the equation of state (EoS) becomes increasingly essential. In this talk, I present a new physically motivated framework for encoding prior knowledge about dense matter arising from chiral effective...
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77. Jets and medium-induced radiation during the early nonequilibrium stages in heavy-ion collisionsFlorian Lindenbauer (Massachusetts Institute of Technology)(2nd week, Oct. 19-23) QCD Matter under Extreme Conditions
One of the central open questions in heavy-ion collisions is how the initially far-from-equilibrium plasma of deconfined quarks and gluons evolves toward local thermal equilibrium, a process known as hydrodynamization. Despite its importance, direct experimental signatures of this early pre-equilibrium stage remain elusive. Hard probes, such as jets, produced at very early times, offer a...
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Farid Salazar (Temple University)(3rd week, Oct. 26-30) Symposium
A central goal of the future Electron-Ion Collider and of upcoming upgrades at the Large Hadron Collider is the search for a new regime of nuclear matter known as the Color Glass Condensate (CGC). In this extreme state, matter is dominated by an exceptionally dense population of gluons, the particles responsible for binding quarks inside protons and nuclei. Over the past two decades,...
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Nora Brambilla (TUM)(2nd week, Oct. 19-23) QCD Matter under Extreme Conditions
By employing the potential non-relativistic quantum chromodynamics
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(pNRQCD) effective field theory within an open quantum system framework, we derive a Lindblad equation governing the evolution of the heavy-quarkonium reduced density matrix. In this framework we study bottomonium suppression in heavy ion collisions, including oxygen-oxygen.
We also discuss bottomonium thermalization and the... -
Saga Sappi (ICE-CSIC & IEEC)(4th week, Nov. 2-6) Dense QCD Matter and Compact Stars
Over the last decade or so, blazing-fast progress has been made in perturbative computations of dense QCD matter. With the sign problem preventing the use of lattice methods, pQCD is a rare first-principles methods for gaining insight into the properties of quark matter and, consequently, constraining the properties of the neutron star equation of state.
I will outline the current progress...
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Tyler Gorda (The Ohio State University)(4th week, Nov. 2-6) Dense QCD Matter and Compact Stars
How bad is the sign problem in QCD? It turns out that in the perturbative regime, the sign problem enters at $O(\alpha_s^3)$ in the strong coupling $\alpha_s$ to leading order. In this talk, I explain why the sign problem only enters at such high order, and I present the full $O(\alpha_s^3)$ result for it for all $\mu$ and $T$. I also explain how this result can be combined with future lattice...
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Cristian Pisano (University and INFN Cagliari)(1st week, Oct. 12-16) High-energy QCD
In this talk I will discuss azimuthal modulations in lepton and heavy-quark pair production in ultraperipheral collisions (UPCs) of highly charged ions. A full description of the cross section in terms of Generalized Transverse Momentum Dependent parton distributions (GTMDs) for photons is given including a consideration of the Fourier transform to impact parameter space. In particular, this...
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Thomas Schaefer (North Carolina State University)(2nd week, Oct. 19-23) QCD Matter under Extreme Conditions
We describe recent results obtained from numerical simulations
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of stochastic fluid dynamics near a QCD critical point. We
discuss results for the dynamic critical exponent, the
critical behavior of transport coefficients, and the relaxation
rate of equal-time correlation functions. We also discuss
some exploratory studies of stochastic relativistic fluid
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Jon-Ivar Skullerud (Maynooth University)(4th week, Nov. 2-6) Dense QCD Matter and Compact Stars
We present recent results from lattice simulations of dense 2-colour QCD with Wilson fermions, with particular emphasis on (1) thermodynamics, including the speed of sound; (2) the structure of ground state fields at high density; and (3) simulations with an improved fermion action.
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Shohini Bhattacharya (University of Connecticut)
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Renaud Boussarie (CPHT, CNRS, Ecole polytechnique, IP Paris)
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Kyle Lee (Argonne)
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Barbara Pasquini (University of Pavia and INFN-Pavia)
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Nobuo Sato (Thomas Jefferson National Accelerator Facility)
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Dr Feng Yuan (Lawrence Berkeley National Laboratory)
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Gokce Basar (UNC Chapel Hill)
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Rainer Fries (Texas A&M University)
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Prof. Tamas G. Kovacs (Eötvös Loránd University, Budapest)
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Ashish Pandav (LBL, Berkeley)
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Michele Pepe (INFN - sezione Milano Bicocca)
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Volodymyr Vovchenko (University of Houston)
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Di-Lun Yang (Academia Sinica)
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Aleksey Cherman (University of Minnesota)
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Aleksas Mazeliauskas (Institute for Theoretical Phyiscs, Heidelberg University)
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Jorge Noronha (University of Illinois Urbana-Champaign)
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Luciano Rezzolla (Institute for Theoretical Physics, Frankfurt, Germany)
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Felix Ringer (Stony Brook University)
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Dam Thanh Son (University of Chicago)
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Charlotte Van Hulse (Vrije Universiteit Brussel (VUB))
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Ryan Abbott (Columbia University)
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Bastian Brandt (Bielefeld University)
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Koichi Hattori (Zhejiang University)
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Bao-An Li (East Texas A&M University)
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Muneto Nitta (Keio University)
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Dr Srimoyee Sen (Iowa State University)
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Shinichiro Akiyama (University of Tsukuba)
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Jing-Yuan Chen (Institute for Advanced Study Tsinghua University)
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Yui Hayashi (UTokyo)
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Mendel Nguyen (Durham University)
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Marina Marinkovic (ETH Zurich)
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Xiaojun Yao (University of Washington)
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(1st week, Oct. 12-16) High-energy QCD
Transverse momentum department parton distributions (or simply, TMDs) and generalized parton distributions (GPDs) are fundamental quantum correlation functions of quarks and gluons (collectively referred to as partons) of nucleons and nuclei. They encode rich information that can unravel many aspects of the confined quark and gluon structure of nucleons in momentum and coordinate space,...
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87. What can we learn about the cold matter equation of state of QCD while evading the sign problem?Thomas Cohen (University of Maryland)(3rd week, Oct. 26-30) Symposium
The equation of state of cold matter in QCD is a central issue in particle physics, nuclear physics as well as the astrophysics of neutron stars. Unfortunately, direct lattice calculation of the equation of state as a function of density using lattice methods are not viable due to an exponentially bad sign problem when a chemical potential is included. However, this need not mean that...
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