activity
19932025
most citedInstantons in QCD

1.3k citations · 8.5k across the 97 of their papers we have counts for

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21 papers · 1 filter

nucl-th2024★ 22 cited

Simulations of stochastic fluid dynamics near a critical point in the phase diagram

Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1

We present simulations of stochastic fluid dynamics in the vicinity of a critical endpoint belonging to the universality class of the Ising model. This study is motivated by the ch…

nucl-th2023

Far-off-equilibrium early-stage dynamics in high-energy nuclear collisions

Chandrodoy Chattopadhyay, Ulrich Heinz, Thomas Schaefer

We explore the far-off-equilibrium aspects of the (1+1)-dimensional early-stage evolution of a weakly-coupled quark-gluon plasma using kinetic theory and hydrodynamics. For a large…

nucl-th2023

Dynamic scaling of order parameter fluctuations in model B

Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1

We describe numerical simulations of the stochastic diffusion equation with a conserved charge. We focus on the dynamics in the vicinity of a critical point in the Ising universali…

nucl-th2022★ 19 cited

Dynamics of non-Gaussian fluctuations in model A

Thomas Schaefer, Vladimir Skokov

Motivated by the experimental search for the QCD critical point we perform simulations of a stochastic field theory with purely relaxational dynamics (model A). We verify the expec…

nucl-th2017

Toward the description of fluid dynamical fluctuations in heavy-ion collisions

Marlene Nahrgang, Marcus Bluhm, Thomas Schäfer +1

In this talk we present results obtained when fluid dynamical fluctuations are included in relativistic dimensional viscous fluid dynamics. We discuss effects of the interact…

nucl-th2016★ 6 cited

Behavior of universal critical parameters in the QCD phase diagram

Marcus Bluhm, Marlene Nahrgang, Steffen A. Bass +1

We determine the dependence of important parameters for critical fluctuations on temperature and baryon chemical potential in the QCD phase diagram. The analysis is based on an ide…

nucl-th2016★ 32 cited

Impact of resonance decays on critical point signals in net-proton fluctuations

Marcus Bluhm, Marlene Nahrgang, Steffen A. Bass +1

The non-monotonic beam energy dependence of the higher cumulants of net-proton fluctuations is a widely studied signature of the conjectured presence of a critical point in the QCD…

nucl-th2016

Quantum Chromodynamics: Computational Aspects

Thomas Schaefer

We present a brief introduction to QCD, the QCD phase diagram, and non-equilibrium phenomena in QCD. We emphasize aspects of the theory that can be addressed using computational me…

nucl-th2015★ 335 cited

Properties of hot and dense matter from relativistic heavy ion collisions

Peter Braun-Munzinger, Volker Koch, Thomas Schaefer +1

We review the progress achieved in extracting the properties of hot and dense matter from relativistic heavy ion collisions at the relativistic heavy ion collider (RHIC) at Brookha…

nucl-th2014★ 8 cited

Fermi liquid theory: A brief survey in memory of Gerald E. Brown

Thomas Schaefer

I present a brief review of Fermi liquid theory, and discuss recent work on Fermi liquid theory in dilute neutron matter and cold atomic gases. I argue that renewed interest in tra…

nucl-th2012★ 1 cited

Bulk viscosity, chemical equilibration and flow at RHIC

Thomas Schaefer, Kevin Dusling

We study the effects of bulk viscosity on p_T spectra and elliptic flow in heavy ion collisions at RHIC. We argue that direct effect of the bulk viscosity on the evolution of the v…

nucl-th2011

Nearly Perfect Fluidity in the Dilute Fermi Gas: An Update

Thomas Schaefer

In this contribution we summarize recent results on the transport properties of strongly correlated dilute Fermi gases. We discuss the hydrodynamic equations in the normal phase an…

nucl-th2010

Elliptic flow and nearly perfect fluidity in dilute Fermi gases

Thomas Schaefer

In this contribution we summarize recent progress in understanding the shear viscosity of strongly correlated dilute Fermi gases. We discuss predictions from kinetic theory, and sh…

nucl-th2008★ 1 cited

From Equilibrium to Transport Properties of Strongly Correlated Fermi Liquids

Thomas Schaefer

We summarize recent results regarding the equilibrium and non-equilibrium behavior of cold dilute atomic gases in the limit in which the two body scattering length a goes to infini…

nucl-th2006★ 1 cited

The CFL phase and m_s: An effective field theory approach

Thomas Schaefer

We study the phase diagram of dense quark matter with an emphasis on the role of the strange quark mass. Our approach is based on two effective field theories (EFTs). The first is…

nucl-th2002★ 9 cited

Effective Theory of the Color-Flavor-Locked Phase

Thomas Schaefer

We explain how an effective theory of the CFL phase can be used to study the effect of the strange quark mass on the ground state and the excitation spectrum. We also apply the eff…

nucl-th2001

Strange Goings on in Quark Matter

Thomas Schaefer

We review recent work on how the superfluid state of three flavor quark matter is affected by non-zero quark masses and chemical potentials.

nucl-th2000★ 67 cited

Kaon Condensation in High Density Quark Matter

Thomas Schaefer

We point out that the problem of kaon condensation in dense hadronic matter can be addressed in perturbative QCD. Indeed, perturbative calculations suggest that negative kaons are…

nucl-th1999★ 11 cited

Color Superconductivity

Thomas Schaefer

We discuss recent results on color superconductivity in QCD at large chemical potential.

nucl-th1999★ 5 cited

Color superconductivity: Continuity of quark and hadron matter, the role of the strange quark mass, and perturbative results

Thomas Schaefer

We summarize some recent results on the structure of QCD at very high baryon density.

nucl-th1996★ 5 cited

The Chiral Phase Transition

Thomas Schaefer

I review the current understanding of the chiral phase transition in QCD, with particular emphasis on recent results obtained in the instanton liquid model.