XXXII International (ONLINE) Workshop on High Energy Physics "Hot problems of Strong Interactions"

Сессия

Session 5: Inhomogeneous phases in strongly interacting matter

5

11 нояб. 2020 г., 11:00

Описание

Discussion leader: Michael Buballa
Chairperson: Michael Buballa

26. Crystalline chiral condensates in dense quark matter

Dr Stefano Carignano (ICCUB)

11.11.2020, 11:00

Inhomogeneous phases in strongly interacting matter

I will give a brief review on studies of spatially modulated chiral condensates performed within effective low-energy models of QCD, discussing methods and some recent results on the possible phase structure of quark matter at finite baryon density.

18. Inhomogeneous chiral condensates within the Functional Renormalisation Group

Mr Martin Jakob Steil (Technische Universität Darmstadt)

11.11.2020, 11:30

Inhomogeneous phases in strongly interacting matter

We investigate the stability of inhomogeneous chiral-symmetry breaking phases at non-vanishing chemical potential and temperature by applying the Functional Renormalization Group (FRG) to the two-flavor quark-meson model (QMM) in the chiral limit. The stability of inhomogeneous phases under quantum and thermal fluctuations beyond the mean-field approximation is an open question in the...

9. Inhomogeneous phases of the Gross-Neveu model with a finite number of flavors

Проф. Andreas Wipf (FS-University Jena)

11.11.2020, 12:00

Inhomogeneous phases in strongly interacting matter

We present some recent results on inhomogeneous phases and baryons in the 1+1-dimensional Gross-Neveu model at finite temperature and finite chemical potential. It is known, that in the large $N_f$-limit the system shows an inhomogeneous condensate at low temperature and large chemical potential. We address the question whether a breaking of translation invariance is also seen for finite...

10. Exploring the existence of inhomogeneous phases in the 2+1-dimensional Gross-Neveu model in the limit of infinitely many flavors

Проф. Marc Wagner and Dr. Kurth Lennart

11.11.2020, 12:30

Inhomogeneous phases in strongly interacting matter

We explore the existence of inhomogeneous phases in the 2+1-dimensional Gross-Neveu model in the limit of infinitely many flavors using a continuum approach as well as lattice field theory. At finite value of the regulator (momentum cutoff, lattice spacing) we find inhomogeneous phases. These phases disappear, however, when removing the regulator, i.e. when sending the momentum cutoff to...

5. Anomaly-induced inhomogeneous phase in QCD-like theories

Проф. Tomas Brauner (University of Stavanger)

11.11.2020, 13:00

Inhomogeneous phases in strongly interacting matter

The ground state of QCD at nonzero baryon number chemical potential and in sufficiently strong magnetic fields is the Chiral Soliton Lattice: a topological phase carrying a crystalline condensate of neutral pions. The same is true for other QCD-like theories, including theories free from the sign problem. This disproves the long-standing conjecture that positivity of the determinant of the...