5–6 Jun 2026
Lamia, University of Thessaly, Physics Department
Europe/Athens timezone

Multi-Strangeness non-linear potentials & the hyperon-puzzle in neutron stars

Speaker

Theodoros Gaitanos (Aristotle University of Thessaloniki)

Description

Hyperons are baryons with strangeness degrees of freedom. They play a significant role in modern nuclear physics and astrophysics due to their experimental accessibility and significant impact on the high-density equation of state. In-medium hyperons can be produced inside highly compressed matter in reactions or in neutron star cores only due to high energy production thresholds. However, the presence of the hadronic medium modifies largely the strangeness threshold conditions. The hyperon in-medium potentials manifest a non-linear behavior in density and, in particular, in single-particle momentum. These non-linear features reveal interesting novel effects in compressed matter and in neutron star matter. They provide a potential solution to the long-standing hyperon-puzzle in neutron stars. Here we discuss the hyperon non-linear potentials and present applications related to compressed matter and neutron star cores.

Authors

Ms Arsenia Chorozidou (Aristotle University of Thessaloniki) Theodoros Gaitanos (Aristotle University of Thessaloniki)

Presentation materials

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