1-3 August 2016
Plymouth University
Europe/London timezone
The 14th International workshop on QCD in extreme conditions, Aug. 1-3 2016

A G(2)-QCD Neutron Star

1 Aug 2016, 17:25
2h 5m
Portland Square (Plymouth University)

Portland Square

Plymouth University

Drake Circus Plymouth, Devon PL4 8AA, UK
Poster Quantum Field Theories of dense, cold matter Poster session

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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