24-30 July 2016
Highfield Campus, University of Southampton
Europe/London timezone

A G(2)-QCD Neutron Star

26 Jul 2016, 20:00
1h
Highfield Campus, University of Southampton

Highfield Campus, University of Southampton

Highfield Campus, Southampton SO17 1BJ, UK
Poster Nonzero Temperature and Density Poster

Speaker

Ms Ouraman Hajizadeh (University of Graz)

Description

G2-QCD, i.e. QCD with the gauge group SU(3) replaced by the exceptional group G(2), shares many features with SU(3). But it is accessible at finite density on the lattice, as it has no sign problem, and at the same time has a neutron. Therefore, this theory can sustain in princple neutron star. Using the equation of state for this theory from lattice simulations, we solve the Oppenheimer-Volkoff equation and obtain the mass-radius-relation of such neutron stars. This study shows how different phases, visible in the equation of state, influence the mass-radius relation, and therefore gives guidance for the case of full QCD and true neutron stars.

Primary author

Ms Ouraman Hajizadeh (University of Graz)

Co-author

Prof. Axel Maas (University of Graz)

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