The Equation of State of Hot, Dense Matter and Neutron Stars
By J. Lattimer, M. Prakash. 2015
477 citations recorded by the source corpus.
Recent developments in the theory of pure neutron matter and experiments concerning the symmetry energy of nuclear matter, coupled with recent measurements of high-mass neutron stars, now allow for relatively tight constraints on the equation of state of dense matter. We review how these constraints are formulated and describe the implications they have for neutron stars and core-collapse supernovae. We also examine thermal properties of dense matter, which are important for supernovae and neutron star mergers, but which cannot be nearly as well constrained at this time by experiment. In addition, we consider the role of the equation of state in medium-energy heavy-ion collisions.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/b4099d57ca44f74192ef30b05a95cddd656ed8fa
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Citations in the corpus
- Constraining the Dense Matter Equation of State with Joint Analysis of NICER and LIGO/Virgo Measurements (2019, background): “…span a wide range, from neutron-rich nucleonic matter to hyperon or deconfined quark formation or the emergence of a Bose-Einstein condensate or a color superconducting phase (see Hebeler et al. 2015; Lattimer & Prakash 2016; Oertel et al. 2017; Baym et al. 2018, for recent reviews on this topic).”
- A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation (2019, background): “…experiments explore the high-temperature and lower-density parts of the nuclear matter phase diagram; but NSs are unique laboratories for the study of strong and weak force physics in cold, dense matter (for recent reviews see Lattimer & Prakash 2016; Oertel et al. 2017; Baym et al. 2018).”
- Evidence for a maximum mass cut-off in the neutron star mass distribution and constraints on the equation of state (2017, background): “Such a measurement would provide further constraints on the EoS, particularly at ∼ 2×ρsat (Lattimer & Schutz 2005), but sufficiently precise observations are expected to be some years away (Lattimer & Prakash 2016).”
- The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data (2024, background): “This is possible due to the one-to-one mapping between the equation of state (EoS) and the mass–radius dependence of the NS (see e.g., Lattimer & Prakash 2016; Baym et al. 2018).”
- Neutron star mass and radius measurements from atmospheric model fits to X-ray burst cooling tail spectra (2017, result): “Our mass and radius measurements are encouragingly consistent with recent theoretical analyses of the EoS of cold dense matter (Lattimer & Prakash 2016).”
- A NICER View of PSR J0030+0451: Implications for the Dense Matter Equation of State (2019, background): “…nucleonic matter under extreme neutron-rich conditions, to stable states of strange matter such as hyperons or deconfined quarks, color superconducting phases, and Bose–Einstein condensates (for recent reviews see Hebeler et al. 2015; Lattimer & Prakash 2016; Oertel et al. 2017; Baym et al. 2018).”
- Combined Constraints on the Equation of State of Dense Neutron-rich Matter from Terrestrial Nuclear Experiments and Observations of Neutron Stars (2018, background): “(Lattimer & Prakash 2016; Oertel et al. 2017; Özel & Freire 2016; Watts et al. 2016; Grigorian et al. 2016; Newton et al. 2014) for recent reviews.”
- Neutron-star Radius Constraints from GW170817 and Future Detections (2017, background): “The different sequences for fixed Rmax are constrained by causality (Koranda et al. 1997; Lattimer & Prakash 2016) requiring Mmax ≤ 1 2.82 c2Rmax G (5) and with Eq.”