EPJ Web Conf.
Volume 258, 2022A Virtual Tribute to Quark Confinement and the Hadron Spectrum (vConf21)
|Number of page(s)||7|
|Section||Parallel Presentations Track F|
|Published online||11 January 2022|
NICER view on holographic QCD
1 Department of Physics, University of Helsinki, P.O. Box 64, FIN-00014, Finland
2 Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FIN-00014, Finland
* e-mail: email@example.com
Published online: 11 January 2022
The holographic models for dense QCD matter work surprisingly well. A general implication seems that the deconfinement phase transition dictates the maximum mass of neutron stars. The nuclear matter phase turns out to be rather stiff which, if continuously merged with nuclear matter models based on effective field theories, leads to the conclusion that neutron stars do not have quark matter cores in the light of all current astrophysical data. We comment that as the perturbative QCD results are in stark contrast with strong coupling results, any future simulations of neutron star mergers incorporating corrections beyond ideal fluid should proceed cautiously. For this purpose, we provide a model which treats nuclear and quark matter phases in a unified framework at strong coupling.
© The Authors, published by EDP Sciences, 2022
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