[Theory-seminars] Theory seminar tomorrow (1pm)

[Miguel Albaladejo]

Dear all,
this is a reminder on tomorrow's seminar.

Best regards,
Carlota, Raza, Miguel


Date and time: Monday, May 18, 1pm
Speaker: Thomas Cohen (U. of Maryland)
Title: Surprises in large N Thermodynamics

Bluejeans connection: https://bluejeans.com/610445877

Abstract: The thermodynamic behavior of QCD at large N (where N is the number of colors) is interesting for many reasons.  In the hadronic domain, the thermodynamics is tied directly to spectroscopy.  The subject is quite old; it has been studied for decades.  Despite this, there are a number of features that are not widely appreciated and are quite surprising.  In this talk a few of these are noted given the assumption that QCD has a generic first-order phase transition at large N as one sees for pure gauge theory.  The existence of a first-order transition implies metastable phases. One surprise is that under this assumption large N QCD has a supercooled metastable plasma phase with negative absolute pressure---that is a pressure below that of the vacuum.  Another surprise concerns the region beyond the endpoint of the superheated hadronic which, at large N--rather than curving as one expects in an unstable region--is flat.
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