Dense matter with eXTP

Anna L. Watts, Wen Fei Yu, Juri Poutanen, Shu Zhang, Sudip Bhattacharyya, Slavko Bogdanov, Long Ji, Alessandro Patruno, Thomas E. Riley, Pavel Bakala, Altan Baykal, Federico Bernardini, Ignazio Bombaci, Edward Brown, Yuri Cavecchi, Deepto Chakrabarty, Jérôme Chenevez, Nathalie Degenaar, Melania Del Santo, Tiziana Di SalvoVictor Doroshenko, Maurizio Falanga, Robert D. Ferdman, Marco Feroci, Angelo F. Gambino, Ming Yu 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, Xiao Yu Lai, Ang Li, Xiang Dong Li, Zhao Sheng Li, Manuel Linares, Fang Jun Lu, Simin Mahmoodifar, Mariano Méndez, M. Coleman Miller, Sharon Morsink, Joonas Nättilä, Andrea Possenti, Chanda Prescod-Weinstein, Jin Lu Qu, Alessandro Riggio, Tuomo Salmi, Andrea Sanna, Andrea Santangelo, Hendrik Schatz, Achim Schwenk, Li Ming Song, Eva Šrámková, Benjamin Stappers, Holger Stiele, Tod Strohmayer, Ingo Tews, Laura Tolos, Gabriel Török, David Tsang, Martin Urbanec, Andrea Vacchi, Ren Xin Xu, Yu Peng Xu, Silvia Zane, Guo Bao Zhang, Shuang Nan Zhang, Wen Da Zhang, Shi Jie Zheng, Xia Zhou

    Research output: Contribution to journalReview articlepeer-review


    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 Sciences, the eXTP mission is expected to be launched in the mid 2020s.

    Original languageEnglish (US)
    Article number29503
    JournalScience China: Physics, Mechanics and Astronomy
    Issue number2
    StatePublished - Feb 1 2019


    • X-rays
    • dense matter
    • equation of state
    • neutron

    ASJC Scopus subject areas

    • General Physics and Astronomy


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