Departmental Colloquium: Dr. Ludmila Levkova
Please join the Physics department for a colloquium hosted by Dr. Ludmila Levkova from the University of Utah.
“A nonperturbative determination of the equation of state of the quark-gluon plasma.”
The quark-gluon plasma is a state of matter which forms only at extremely high temperatures or densities. It is believed that up to microseconds after the big bang the quark-gluon plasma was a dominant component of the universe. This primordial state of matter is recreated in heavy-ion collision experiments (conducted at facilities such as RHIC and LHC), which study its formation and transition to ordinary matter.
The equation of state of the quark-gluon plasma is essential to our understanding of its hydrodynamic expansion and consequently of the particle spectra produced in these experiments. It is also relevant for the study of cosmology and compact star formation. I present results for the quark-gluon equation of state determined from lattice QCD, which is the only nonperturbative method currently allowing a first principle calculation of its properties.