Sep 26 – 28, 2018
Department of Physics (University of Coimbra)
Europe/Lisbon timezone

Effects of the tetraneutron condensation in neutron stars

Sep 26, 2018, 5:30 PM
20m
Room E10A

Room E10A

Speaker

Dr Oleksii Ivanytskyi (University of Salamanca)

Description

Based on recent experimental and theoretical hints on possible formation of a resonant four-neutron system we study effects of appearance of such a cluster in neutron rich baryon matter inside NSs. For this purpose we employ a relativistic mean field approach which includes nucleons, $\Delta$-baryons as well as light nuclear clusters. Our analysis demonstrates that tetraneutrons existing as the Bose-Einstein condensate can affect the equation of state of cold baryonic matter and observable characteristics of neutrons stars. Tetraneutron driven suppression of $\Delta$-baryons is another important result of our study. Influence of tetraneutrons on formation of superconducting phase is also discussed.

Primary authors

Dr Oleksii Ivanytskyi (University of Salamanca) Prof. Conrado Albertus Torres (University of Salamanca) M. Angeles Perez-Garcia (University of Salamanca and IUFFyM)

Presentation materials