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Tuesday, November 26th 2019

11:15 am:

Quark matter is expected to have a critical point at a

temperature of roughly 170 MeV and baryon chemical potential of

roughly 300 MeV, and to exhibit a first order phase transition into a

quark-gluon plasma. Modelling this transition is difficult due to the

complexities of modelling quark confinement. A method is presented for

parametrizing the equation of state of QCD in multiple phases. This

method involves the use of a switching function, taking values between

0 and 1, which interpolates between the equations of state for two

phases as a function of temperature and chemical potential. This

function characterizes the transition between the hadron resonance gas

and quark-gluon plasma phases of nuclear matter. The results of this

method are compared to those of lattice calculations for the case of 3

colors and 3 flavors.

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