Model-independent approach to the neutron-star-matter equation of state

10 нояб. 2020 г., 11:00
30m
QCD phase diagram in astrophysics Session 3: QCD phase diagram in astrophysics

Speaker

Prof. Aleksi Vuorinen (University of Helsinki)

Описание

I will discuss recent developments in inferring the equation of state of zero-temperature beta-equilibrated QCD matter using only ab-initio theoretical results at low and high densities together with robust observational data. In particular, I will introduce a novel method for interpolating the equation of state that allows one to accurately keep track of the speed of sound of neutron-star matter, thereby facilitating a more detailed analysis of the properties of matter in the cores of neutron stars of different masses. Using results obtained with the new interpolation scheme, I will argue that the matter located in the centers of massive neutron stars is likely to exhibit properties consistent with those of deconfined quark matter.

Primary author

Prof. Aleksi Vuorinen (University of Helsinki)

Presentation Materials

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