Dense matter with eXTP

Anna L. Watts , Wenfei Yu , Juri Poutanen , Shu Zhang , Sudip Bhattacharyya , Slavko Bogdanov , Long Ji , Alessandro Patruno

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Thomas E. Riley Pavel Bakala Altan Baykal Federico Bernardini Ignazio Bombaci Edward Brown Yuri Cavecchi Deepto Chakrabarty J\'er\^ome Chenevez Nathalie Degenaar Melania Del Santo Tiziana Di Salvo Victor Doroshenko Maurizio Falanga Robert D. Ferdman Marco Feroci Angelo F. Gambino Mingyu Ge Svenja K. Greif Sebastien Guillot Can Gungor Dieter H. Hartmann Kai Hebeler Alexander Heger Jeroen Homan Rosario Iaria Jean in 't Zand Oleg Kargaltsev Aleksi Kurkela Xiaoyu Lai Ang Li Xiangdong Li Zhaosheng Li Manuel Linares Fangjun Lu Simin Mahmoodifar Mariano M\'endez M. Coleman Miller Sharon Morsink Joonas N\"attil\"a Andrea Possenti Chanda Prescod-Weinstein JinLu Qu Alessandro Riggio Tuomo Salmi Andrea Sanna Andrea Santangelo Hendrik Schatz Achim Schwenk Liming Song Eva \v{S}r\'amkov\'a Benjamin Stappers Holger Stiele Tod Strohmayer Ingo Tews Laura Tolos Gabriel T\"or\"ok David Tsang Martin Urbanec Andrea Vacchi Renxin Xu Ypeng Xu Silvia Zane Guobao Zhang ShuangNan Zhang Wenda Zhang Shijie Zheng Xia Zhou

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classification 🌌 astro-ph.HE

keywords denseextpmatterburstconstraintsmissionneutronpulsars

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In this White Paper we present the potential of the Enhanced X-ray Timing and Polarimetry (eXTP) mission for determining the nature of dense matter; neutron star cores host an extreme density regime which cannot be replicated in a terrestrial laboratory. The tightest statistical constraints on the dense matter equation of state will come from pulse profile modelling of accretion-powered pulsars, burst oscillation sources, and rotation-powered pulsars. Additional constraints will derive from spin measurements, burst spectra, and properties of the accretion flows in the vicinity of the neutron star. Under development by an international Consortium led by the Institute of High Energy Physics of the Chinese Academy of Science, the eXTP mission is expected to be launched in the mid 2020s.

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Dense matter with eXTP

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