Researching | Constraining nuclear EOSs with massive neutron stars in the framework of RMF models

NUCLEAR TECHNIQUES, Volume. 48, Issue 5, 050007(2025)

Constraining nuclear EOSs with massive neutron stars in the framework of RMF models

Wenjie XIE^1,2,3 and Chengjun XIA^4、*

Author Affiliations

¹Department of Physics, Yuncheng University, Yuncheng 044000, China

²Shanxi Province Intelligent Optoelectronic Sensing Application Technology, Innovation Center, Yuncheng University, Yuncheng 044000, China

³Guangxi Key Laboratory of Nuclear Physics and Nuclear Technology, Guangxi Normal University, Guilin 541004, China

⁴Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University, Yangzhou 225009, China

show less

Abstract Get PDF(in Chinese)

Figures&Tables (10)

References (48)

Paper Information

References(48)

[1] He W B, Li Q F, Ma Y G et al. Machine learning in nuclear physics at low and intermediate energies[J]. Science China Physics, Mechanics & Astronomy, 66, 282001(2023).

[2] Zhou J, Xu J. Bayesian inference of neutron-skin thickness and neutron-star observables based on effective nuclear interactions[J]. Science China Physics, Mechanics & Astronomy, 67, 282011(2024).

[3] Ma Y G, Pang L G, Wang R et al. Phase transition study meets machine learning[J]. Chinese Physics Letters, 40, 122101(2023).

[4] Pang L G, Wang X N. Bayesian analysis of nuclear equation of state at high baryon density[J]. Nuclear Science and Techniques, 34, 194(2023).

[5] He W B, Ma Y G, Pang L G et al. High-energy nuclear physics meets machine learning[J]. Nuclear Science and Techniques, 34, 88(2023).

[6] LI Fupeng, PANG Longgang, WANG Xinnian. Application of machine learning to the study of QCD transition in heavy ion collisions[J]. Nuclear Techniques, 46, 040014(2023).

[7] GAO Zepeng, LI Qingfeng. Studies on several problems in nuclear physics by using machine learning[J]. Nuclear Techniques, 46, 080009(2023).

[8] Huth S, Pang P T H, Tews I et al. Constraining neutron-star matter with microscopic and macroscopic collisions[J]. Nature, 606, 276-280(2022).

[9] Xia C J, Maruyama T, Yasutake N et al. Systematic study on the quark-hadron mixed phase in compact stars[J]. Physical Review D, 102, 023031(2020).

[10] Fraga E S, Kurkela A, Vuorinen A. Interacting quark matter equation of state for compact stars[J]. The Astrophysics Journal, 781, L25(2014).

[11] Demorest P B, Pennucci T, Ransom S M et al. A two-solar-mass neutron star measured using shapiro delay[J]. Nature, 467, 1081-1083(2010).

[12] Antoniadis J, Freire P C C, Wex N et al. A massive pulsar in a compact relativistic binary[J]. Science, 340, 1233232(2013).

[13] Abbott B P, Abbott R, Abbott T, LIGO Scientific and Virgo Collaborations et al. Gw170817: Measurements of neutron star radii and equation of state[J]. Physical Review Letters, 121, 161101(2018).

[14] Riley T E, Watts A L, Bogdanov S et al. A NICER view of PSR J0030+0451: Millisecond pulsar parameter estimation[J]. The Astrophysics Journal Letters, 887, L21(2019).

[15] Riley T E, Watts A L, Ray P S et al. A NICER view of the massive pulsar PSR J0740+6620 informed by radio timing and XMM-newton spectroscopy[J]. The Astrophysics Journal Letters, 918, L27(2021).

[16] Miller M C, Lamb F K, Dittmann A J et al. PSR J0030+0451 mass and radius from NICER data and implications for the properties of neutron star matter[J]. The Astrophysics Journal Letters, 887, L24(2019).

[17] Miller M C, Lamb F K, Dittmann A J et al. The radius of PSR j0740+6620 from NICER and XMM-newton data[J]. The Astrophysics Journal Letters, 918, L28(2021).

[18] Choudhury D, Salmi T, Vinciguerra S et al. A NICER view of the nearest and brightest millisecond pulsar: PSR j0437-4715[J]. The Astrophysics Journal Letters, 971, L20(2024).

[19] Xia C J, Xie W J, Bakhiet M. Astrophysical constraints on nuclear eoss and coupling constants in relativistic-mean-field models[J]. Physical Review D, 110, 114009(2024).

[20] Zhu J P, Wu S, Qin Y et al. Population properties of gravitational-wave neutron star-black hole mergers[J]. The Astrophysics Journal, 928, 167(2022).

[21] Yang Y, Gayathri V, Bartos I et al. Black hole formation in the lower mass gap through mergers and accretion in agn disks[J]. The Astrophysics Journal Letters, 901, L34(2020).

[22] Meng J, ed. Relativistic density functional for nuclear structure[M]. Volume 10 of International Review of Nuclear Physics(2016).

[23] Meng J, Toki H, Zhou S et al. Relativistic continuum hartree bogoliubov theory for ground-state properties of exotic nuclei[J]. Progress in Particle and Nuclear Physics, 57, 470-563(2006).

[24] Long W H, Sun B Y, Hagino K et al. Hyperon effects in covariant density functional theory and recent astrophysical observations[J]. Physical Review C, 85, 025806(2012).

[25] Nikolaus B A, Hoch T, Madland D G. Nuclear ground state properties in a relativistic point coupling model[J]. Physical Review C, 46, 1757-1781(1992).

[26] Long W H, Meng J, Giai N V et al. New effective interactions in relativistic mean field theory with nonlinear terms and density-dependent meson-nucleon coupling[J]. Physical Review C, 69, 034319(2004).

[27] Typel S, Wolter H. Relativistic mean field calculations with density-dependent meson-nucleon coupling[J]. Nuclear Physics A, 656, 331-364(1999).

[28] Lalazissis G A, König J, Ring P. New parametrization for the lagrangian density of relativistic mean field theory[J]. Physical Review C, 55, 540-543(1997).

[29] Sugahara Y, Toki H. Relativistic mean-field theory for unstable nuclei with non-linear σ and ω terms[J]. Nuclear Physics A, 579, 557-572(1994).

[30] Wei B, Zhao Q, Wang Z H et al. Novel relativistic mean field Lagrangian guided by pseudo-spin symmetry restoration[J]. Chinese Physics C, 44, 074107(2020).

[31] Taninah A, Agbemava S, Afanasjev A et al. Parametric correlations in energy density functionals[J]. Physics Letters B, 800, 135065(2020).

[32] Lalazissis G A, Nikšic T, Vretenar D et al. New relativistic mean-field interaction with density-dependent meson-nucleon couplings[J]. Physical Review C, 71, 024312(2005).

[33] Typel S, Alvear Terrero D. Parametrisations of relativistic energy density functionals with tensor couplings[J]. The European Physical Journal A, 56, 160(2020).

[34] Centelles M, Roca-Maza X, Viñas X et al. Nuclear symmetry energy probed by neutron skin thickness of nuclei[J]. Physical Review Letters, 102, 122502(2009).

[37] Xia C J, Maruyama T, Li A et al. Unified neutron star EOSs and neutron star structures in RMF models[J]. Communications in Theoretical Physics, 74, 095303(2022).

[38] Tolman R C. Effect of imhomogeneity on cosmological models[J]. Proceedings of the National Academy of Sciences of the United States of America, 20, 169-176(1934).

[39] Oppenheimer J R, Volkoff G M. On massive neutron cores[J]. Physical Review, 55, 374-381(1939).

[40] Fattoyev F J, Carvajal J, Newton W G et al. Constraining the high-density behavior of the nuclear symmetry energy with the tidal polarizability of neutron stars[J]. Physical Review C, 87, 015806(2013).

[41] Malik T, Alam N, Fortin M et al. GW170817: Constraining the nuclear matter equation of state from the neutron star tidal deformability[J]. Physical Review C, 98, 035804(2018).

[42] Hinderer T, Lackey B D, Lang R N et al. Tidal deformability of neutron stars with realistic equations of state and their gravitational wave signatures in binary inspiral[J]. Physical Review D, 81, 123016(2010).

[43] De S, Finstad D, Lattimer J M et al. Tidal deformabilities and radii of neutron stars from the observation of GW170817[J]. Physical Review Letters, 121, 091102(2018).

[44] Lattimer J, Steiner A. Constraints on the symmetry energy using the mass-radius relation of neutron stars[J]. The European Physical Journal A, 50, 40(2014).

[45] Fonseca E, Cromartie H T, Pennucci T T et al. Refined mass and geometric measurements of the high-mass PSR J0740+6620[J]. The Astrophysics Journal Letters, 915, L12(2021).

[46] Doroshenko V, Suleimanov V, Pühlhofer G et al. A strangely light neutron star within a supernova remnant[J]. Nature Astronomy, 6, 1444-1451(2022).

[47] Xie W J, Li B A. Bayesian inference of high-density nuclear symmetry energy from radii of canonical neutron stars[J]. The Astrophysics Journal, 883, 174(2019).

[48] Xie W J, Li B A. Bayesian inference of the symmetry energy of superdense neutron-rich matter from future radius measurements of massive neutron stars[J]. The Astrophysics Journal, 899, 4(2020).

[49] Xie W J, Ma Z W, Guo J H. Bayesian inference of the crust-core transition density via the neutron-star radius and neutron-skin thickness data[J]. Nuclear Science and Techniques, 34, 91(2023).

[50] Bedaque P, Steiner A W. Sound velocity bound and neutron stars[J]. Physical Review Letters, 114, 031103(2015).

Tools

Get Citation

Copy Citation Text

Wenjie XIE, Chengjun XIA. Constraining nuclear EOSs with massive neutron stars in the framework of RMF models[J]. NUCLEAR TECHNIQUES, 2025, 48(5): 050007

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Special Topics on Applications of Machine Learning in Nuclear Physics and Nuclear Data

Received: Apr. 12, 2025

Accepted: --

Published Online: Jun. 26, 2025

The Author Email: Chengjun XIA (夏铖君)

DOI:10.11889/j.0253-3219.2025.hjs.48.250167

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology