査読論文
査読論文
筆頭著者論文:84編, 共著者論文:12編
2025
96) Hajime Sotani, Bernhard Müller, Tomoya Takiwaki,
"Effects of multidimensional treatment of gravity in simulations on supernova gravitational waves",
Phys. Rev. D 112(8), 083018 (10/2025) (11 pages), arXiv:2509.19724 [gr-qc]
95) Ankit Kumar, Sudhakantha Girmohanta, Hajime Sotani,
"Multi-Messenger and Cosmological Constraints on Dark Matter through Two-Fluid Neutron Star Modeling",
Eur. Phys. J. C 85, 1109 (10/2025) (24 pages), arXiv:2501.16829 [astro-ph,HE]
94) Ankit Kumar, Hajime Sotani,
"Stability analysis of two-fluid neutron stars featuring twin star and ultradense configurations",
Phys. Rev. D 112(6), 063030 (9/2025) (21 pages), arXiv:2509.03862 [astro-ph,HE]
93) Sudipta Hensh, Yong-Jia Huang, Toru Kojo, Luca Baiotti, Kentaro Takami, Shigehiro Nagataki, Hajime Sotani,
"Neutron-quark stars: Discerning viable alternatives for the higher-density part of the equation of state of compact stars",
Astrophys. J. 991(1), L12 (9/2025) (11 pages), arXiv:2407.09446 [astro-ph,HE]
92) Ankit Kumar, Hajime Sotani,
"Asteroseismology and universal relations in neutron stars with gravitationally bound dark matter",
Phys. Rev. D 111(12), 123028 (6/2025) (18 pages), arXiv:2506.00311 [astro-ph,HE]
91) Hajime Sotani, Ankit Kumar
"Emergence of new oscillation modes in dark matter admixed neutron stars",
Phys. Rev. D 111(12), 123013 (6/2025) (14 pages), arXiv:2505.18800 [astro-ph,HE]
90) Christian J. Krüger, Hajime Sotani,
"Impact of the relativistic Cowling approximation on shear and interface modes of neutron stars",
Phys. Rev. D 111(6), 063029 (3/2025) (18 pages), arXiv:2411.03940 [gr-qc]
89) Ankit Kumar, Hajime Sotani
"Impact of dark matter distribution on neutron star properties",
Phys. Rev. D 111(6), 043016 (2/2025) (16 pages), arXiv:2501.07052 [astro-ph,HE]
2024
88) Hajime Sotani, Akira Dohi
"Gravitational wave asteroseismology of accreting neutron stars in a steady state",
Phys. Rev. D 110(8), 083036 (10/2024) (11 pages), arXiv:2410.01552 [astro-ph,HE]
87) Ankit Kumar, Hajime Sotani,
"Constraints on the parameter space in dark matter admixed neutron stars",
Phys. Rev. D 110(6), 063001 (9/2024) (18 pages), arXiv:2408.15312 [astro-ph,HE]
86) Hajime Sotani, Arthur G. Suvorov, Kostas D. Kokkotas
"Couplings of torsional and shear oscillations in a neutron star crust",
Phys. Rev. D 110(2), 023035 (7/2024) (17 pages), arXiv:2406.17195 [astro-ph,HE]
85) Hajime Sotani, Bernhard Müller, Tomoya Takiwaki,
"Universality in supernova gravitational waves with protoneutron star properties",
Phys. Rev. D 109(12), 123021 (6/2024) (12 pages), arXiv:2405.09030 [astro-ph,HE]
84) Hajime Sotani,
"Magnetar QPOs and neutron star crust elasticity",
Universe 10(6), 231 (5/2024) (34 pages), arXiv:2405.11858 [astro-ph,HE]
83) Hajime Sotani,
"Shear oscillations in neutron stars and the nuclear symmetry energy",
Phys. Rev. D 109(2), 023030 (1/2024) (12 pages), arXiv:2401.08382 [astro-ph,HE]
2023
82) Hajime Sotani, Toru Kojo,
"Universality in quasinormal modes of neutron stars with quark-hadron crossover",
Phys. Rev. D 108(6), 063004 (9/2023) (8 pages), arXiv:2308.11494 [astro-ph,HE]
81) Hajime Sotani, Kostas D. Kokkotas, Nikolaos Stergioulas,
"Neutron star mass-radius constraints using the high-frequency QPOs of GRB 200415A",
Astron. Astrophys. 676, A65 (8/2023) (9 pages), arXiv:2303.03150 [astro-ph,HE]
80) Hajime Sotani,
"Shear and interface modes in neutron stars with pasta structures",
Phys. Rev. D 107(12), 123025 (6/2023) (12 pages), arXiv:2306.07531 [astro-ph,HE]
79) Hajime Sotani, Tomoya Naito,
"Empirical neutron star mass formula based on experimental observables",
Phys. Rev. C 107(3), 035802 (3/2023) (12 pages), arXiv:2303.03631 [nucl-th]
2022
78) Hajime Sotani, Shinsuke Ota,
"Neutron star mass formula with nuclear saturation parameters for asymmetric nuclear matter",
Phys. Rev. D 106(10), 103005 (11/2022) (9 pages), arXiv:2210.11651 [nucl-th]
77) Hajime Sotani, Hajime Togashi, Masatoshi Takano,
"Effects of finite sizes of atomic nuclei on shear modulus and torsional oscillations in neutron stars",
Mon. Not. R. Astron. Soc. 516(4), 5440–5445 (11/2022), arXiv:2209.05416 [nucl-th]
76) Yong-Jia Huang, Luca Baiotti, Toru Kojo, Kentaro Takami, Hajime Sotani, Hajime Togashi, Tetsuo Hatsuda, Shigehiro Nagataki, Yi-Zhong Fan,
"Merger and post-merger of binary neutron stars with a quark-hadron crossover equation of state",
Phys. Rev. Lett. 129, 181101 (10/2022) (6 pages), arXiv:2203.04528 [astro-ph,HE], Covered by Physics
75) A. Dohi, N. Nishimura, H. Sotani, T. Noda, He-Lei Liu, S. Nagataki, M. Hashimoto,
"Impacts of the direct URCA and Superfluidity inside a Neutron Star on Type-I X-Ray Bursts and X-Ray Superbursts",
Astrophys. J. 937(2), 124 (10/2022) (9 pages), arXiv:2208.14622 [astro-ph.HE], highlight on AAS
74) Hajime Sotani,
"Accuracy of one-dimensional approximation in neutron star quasi-normal modes",
Eur. Phys. J. C 82, 477 (5/2022) (7 pages), arXiv:2205.10523 [gr-qc]
73) Hajime Sotani, Nobuya Nishimura, Tomoya Naito,
"New constraints on the neutron-star mass and radius relation from terrestrial nuclear experiments",
Prog. Theor. Exp. Phys. 2022(4), 041D01 (4/2022) (9 pages), arXiv:2203.05410 [nucl-th]
72) Hajime Sotani, Hajime Togashi,
"Neutron star mass formula with nuclear saturation parameters",
Phys. Rev. D 105(6), 063010 (3/2022) (12 pages), arXiv:2203.09004 [nucl-th]
71) Hajime Sotani, Akira Dohi,
"Gravitational wave asteroseismology on cooling neutron stars",
Phys. Rev. D 105(2), 023007 (1/2022) (10 pages), arXiv:2201.00648 [gr-qc]
2021
70) Hajime Sotani, Bharat Kumar,
"Universal relations between the quasinormal modes of neutron star and tidal deformability",
Phys. Rev. D 104(12), 123002 (12/2021) (7 pages), arXiv:2109.08145 [gr-qc]
69) Hajime Sotani, Tomoya Takiwaki, Hajime Togashi,
"Universal relation for supernova gravitational waves",
Phys. Rev. D 104(12), 123009 (12/2021) (10 pages), arXiv:2110.03131 [astro-ph,HE]
68) Hajime Sotani, Kohsuke Sumiyoshi,
"Stability of the protoneutron stars toward black hole formation",
Mon. Not. R. Astron. Soc. 507(2), 2766–2776 (10/2021), arXiv:2108.02484 [astro-ph,HE]
67) Hajime Sotani,
"Neutron star asteroseismology and nuclear saturation parameter",
Phys. Rev. D 103(12), 123015 (6/2021) (16 pages), arXiv:2105.13212 [astro-ph,HE]
2020
66) Hajime Sotani,
"Estimating the nuclear saturation parameter via low-mass neutron star asteroseismology",
Phys. Rev. D 102(10), 103021 (11/2020) (11 pages), arXiv:2011.03167 [astro-ph,HE]
65) Hajime Sotani, Tomoya Takiwaki,
"Avoided crossing in gravitational wave spectra from protoneutron star",
Mon. Not. R. Astron. Soc. 498(3), 3503–3512 (11/2020), arXiv:2008.00419 [astro-ph,HE]
64) Hajime Sotani, Tomoya Takiwaki,
"Accuracy of relativistic Cowling approximation in protoneutron star asteroseismology",
Phys. Rev. D 102(06), 063025 (9/2020) (13 pages), arXiv:2009.05206 [astro-ph,HE]
63) Hajime Sotani,
"Gravitational wave asteroseismology for low-mass neutron stars",
Phys. Rev. D 102(06), 063023 (9/2020) (9 pages), arXiv:2008.09839 [astro-ph,HE]
62) Hajime Sotani, Tomoya Takiwaki,
"Dimension dependence of numerical simulations on gravitational waves from protoneutron stars",
Phys. Rev. D 102(02), 023028 (7/2020) (10 pages), arXiv:2004.09871 [astro-ph,HE]
61) Hajime Sotani,
"Light curves from highly compact neutron stars with spot size effect",
Phys. Rev. D 101(06), 063013 (03/2020) (10 pages), arXiv:2002.11840 [astro-ph,HE]
2019
60) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Astrophysical implications of double-layer torsional oscillations in a neutron star crust as a lasagna sandwich",
Mon. Not. R. Astron. Soc. 489(3), 3022–3030 (11/2019), arXiv:1906.06999 [astro-ph,HE]
59) Hajime Sotani, Kohsuke Sumiyoshi,
"Determination of properties of protoneutron stars toward black hole formation via gravitational wave observations",
Phys. Rev. D 100(08), 083008 (10/2019) (12 pages), arXiv:1909.11816 [astro-ph,HE]
58) Hajime Sotani, Hector O. Silva, George Pappas,
"Finite size effects of slowly-rotating neutron stars light curve",
Phys. Rev. D 100(04), 043006 (08/2019) (10 pages), 1905.07668 [astro-ph,HE]
57) Hajime Sotani, Takami Kuroda, Tomoya Takiwaki, Kei Kotake,
"Dependence of the outer boundary condition on protoneutron star asteroseismology with gravitational-wave signatures",
Phys. Rev. D 99(12), 123024 (06/2019) (12 pages), 1906.04354 [astro-ph,HE]
2018
56) Hajime Sotani, Umpei Miyamoto,
"Systematical study of pulsar light curves with special relativistic effects",
Phys. Rev. D 98(10), 103019 (11/2018) (14 pages), 1811.03702 [astro-ph,HE]
55) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Constraints on the nuclear equation of state and the neutron star structure from crustal torsional oscillations",
Mon. Not. R. Astron. Soc. 479(4), 4735-4748 (10/2018), 1807.00528 [astro-ph,HE]
54) Hajime Sotani, Umpei Miyamoto,
"Pulse profiles of highly compact pulsars in general relativity",
Phys. Rev. D 98(04), 044017 (8/2018) (12 pages), 1807.09071 [astro-ph,HE]
53) Hajime Sotani, Kostas D. Kokkotas,
"Compactness of neutron stars and Tolman VII solutions in scalar-tensor gravity",
Phys. Rev. D 97(12), 124034 (6/2018) (8 pages), 1806.00568 [gr-qc]
2017
52) Hajime Sotani,
"Pulse profiles from a pulsar in scalar-tensor gravity",
Phys. Rev. D 96(10), 104010 (11/2017) (9 pages), 1710.10596 [astro-ph,HE]
51) Hajime Sotani, Umpei Miyamoto,
"Sensitivity of pulsar light curves to spacetime geometry and efficacy of analytic approximations",
Phys. Rev. D 96(10), 104018 (11/2017) (20 pages), 1710.08581 [astro-ph,HE]
50) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Probing crustal structures from neutron star compactness",
Mon. Not. R. Astron. Soc. 470(4), 4397-4407 (10/2017), 1706.04736 [astro-ph,HE]
49) Hajime Sotani, Takami Kuroda, Tomoya Takiwaki, Kei Kotake,
"Probing mass-radius relation of protoneutron stars from gravitational-wave asteroseismology",
Phys. Rev. D 96(06), 063005 (09/2017) (10 pages), 1708.03738 [astro-ph,HE]
48) Hajime Sotani, Toshitaka Tatsumi,
"Quark matter with strong magnetic field and possibility of the third family of compact stars",
Mon. Not. R. Astron. Soc. 467(1), 1249-1258 (05/2017), 1701.06361 [astro-ph,HE]
47) Hajime Sotani, Kostas D. Kokkotas,
"Maximum mass limit of neutron stars in scalar-tensor gravity",
Phys. Rev. D 95(04), 044032 (02/2017) (6 pages), 1702.00874 [gr-qc]
46) Hajime Sotani,
"Effect of nuclear saturation parameters on a possible maximum mass of neutron stars",
Phys. Rev. C 95(02), 025802 (02/2017) (5 pages), 1701.05646 [astro-ph,HE]
45) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Probing nuclear bubble structure via neutron star asteroseismology",
Mon. Not. R. Astron. Soc. 464(03), 3101-3107 (01/2017), 1609.01802 [astro-ph,HE]
2016
44) Hajime Sotani, Tomoya Takiwaki,
"Gravitational wave asteroseismology with protoneutron stars",
Phys. Rev. D 94(04), 044043 (08/2016) (11 pages), 1608.01048 [astro-ph,HE]
43) Hector O. Silva, Hajime Sotani, Emanuele Berti,
"Low-mass neutron stars: universal relations, the nuclear symmetry energy and gravitational radiation",
Mon. Not. R. Astron. Soc. 459(04), 4378-4388 (06/2016), 1601.03407 [astro-ph,HE]
42) Hajime Sotani,
"Empirical formula of crustal torsional oscillations",
Phys. Rev. D 93(04), 044059 (02/2016) (8 pages), 1602.04558 [astro-ph,HE]
41) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Possible identifications of newly observed magnetar quasi-periodic oscillations as crustal shear modes",
New Astronomy 43, 80-86 (02/2016) (7 pages), 1508.01728 [astro-ph,HE]
2015
40) Hajime Sotani,
"Torsional oscillations of neutron stars with highly tangled magnetic fields",
Phys. Rev. D 92(10), 104024 (11/2015) (10 pages), 1510.07776 [astro-ph,HE]
39) Hajime Sotani, Umpei Miyamoto,
"Strong gravitational lensing by an electrically charged black hole in Eddington-inspired Born-Infeld gravity",
Phys. Rev. D 92(04), 044052 (08/2015) (10 pages), 1508.03119 [gr-qc]
38) Hajime Sotani,
"Magnetized relativistic stellar models in Eddington-inspired Born-Infeld gravity",
Phys. Rev. D 91(08), 084020 (04/2015) (10 pages), 1503.07942 [astro-ph,HE]
37) Hajime Sotani, Toshitaka Tatsumi,
"Massive hybrid quark stars with strong magnetic field",
Mon. Not. R. Astron. Soc. 447(4), 3155-3161 (01/2015), 1412.4610 [astro-ph,HE]
36) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu,
"Constraining the density dependence of the nuclear symmetry energy from an X-ray bursting neutron star",
Phys. Rev. C 91(01), 015805 (01/2015) (5 pages), 1501.01698 [astro-ph,HE]
2014
35) Hajime Sotani, Umpei Miyamoto,
"Properties of an electrically charged black hole in Eddington-inspired Born-Infeld gravity",
Phys. Rev. D 90(12), 124087 (12/2014) (9 pages), 1412.4173 [gr-qc]
34) Hector O. Silva, Hajime Sotani, Emanuele Berti, Michael Horbatsch,
"Torsional oscillations of neutron stars in scalar-tensor theory of gravity",
Phys. Rev. D 90(12), 124044 (12/2014) (13 pages), 1410.2511 [gr-qc]
33) Hajime Sotani,
"Stellar oscillations in Eddington-inspired Born-Infeld gravity",
Phys. Rev. D 89(12), 124037 (06/2014) (5 pages), 1406.3097 [astro-ph,HE]
32) Hajime Sotani,
"Observational discrimination of Eddington-inspired Born-Infeld gravity from general relativity",
Phys. Rev. D 89(10), 104005 (05/2014) (6 pages), 1404.5369 [astro-ph,HE]
31) Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu, Akira Ohnishi,
"Mass and radius formulas for low-mass neutron stars",
Prog. Theor. Exp. Phys. 2014, 051E01 (05/2014) (8 pages), 1401.0161 [astro-ph,HE]
30) Hajime Sotani,
"Scalar gravitational waves from relativistic stars in scalar-tensor gravity",
Phys. Rev. D 89(06), 064031 (03/2014) (9 pages), 1402.5699 [astro-ph,HE]
29) Hajime Sotani, Kostas D. Kokkotas, Pablo Laguna, Carlos F. Sopuerta,
"Electromagnetic waves from neutron stars and black holes driven by polar gravitational perturbations",
Gen. Rel. Grav. 46(3), 1675 (03/2014) (16 pages), 1402.0251 [astro-ph,HE]
28) Hajime Sotani,
"Electron screening effects on crustal torsional oscillations",
Phys. Lett. B 730, 166-170 (03/2014), 1401.6977 [astro-ph,HE]
2013
27) Hajime Sotani, Ken’ichiro Nakazato, Kei Iida, Kazuhiro Oyamatsu,
"Possible Constraints on the Density Dependence of the Nuclear Symmetry Energy from Quasiperiodic Oscillations in Soft Gamma Repeaters",
Mon. Not. R. Astron. Soc. 434(3), 2060-2068 (09/2013), 1303.4500 [astro-ph,HE]
26) Hajime Sotani, Toshiki Maruyama, Toshitaka Tatsumi,
"Shear oscillations in the hadron-quark mixed phase",
Nucl. Phys. A 906, 37-49 (05/2013) (13 pages), 1207.4055 [astro-ph,HE]
25) Hajime Sotani, Kostas D. Kokkotas, Pablo Laguna, Carlos F. Sopuerta,
"Gravitationally driven electromagnetic perturbations of neutron stars and black holes",
Phys. Rev. D 87(08), 084018 (04/2013) (14 pages), 1303.5641 [astro-ph,HE]
24) Hajime Sotani, Ken’ichiro Nakazato, Kei Iida, Kazuhiro Oyamatsu,
"Effect of superfluidity on neutron star crustal oscillations",
Mon. Not. R. Astron. Soc. Letters 428(1), L21-L25 (01/2013), 1210.0955 [astro-ph,HE]
2012
23) Hajime Sotani,
"Slowly Rotating Relativistic Stars in Scalar-Tensor Gravity",
Phys. Rev. D 86(12), 124036 (12/2012) (8 pages), 1211.6986 [astro-ph,HE]
22) Hajime Sotani, Ken’ichiro Nakazato, Kei Iida, Kazuhiro Oyamatsu,
"Probing the Equation of State of Nuclear Matter via Neutron Star Asteroseismology",
Phys. Rev. Lett. 108(20), 201101 (05/2012) (4 pages), 1202.6242 [astro-ph,HE]
2011
21) Hajime Sotani,
"Constraints on Pasta Structure of Neutron Stars from Oscillations in Giant Flares",
Mon. Not. R. Astron. Soc. Letters 417(1), L70-L73 (10/2011), 1106.2621 [astro-ph,HE]
20) Hajime Sotani,
"Torsional oscillations in tensor-vector-scalar theory",
Phys. Rev. D 83(12), 124030 (06/2011) (6 pages), 1106.3913 [astro-ph,HE]
19) Hajime Sotani, Nobutoshi Yasutake, Toshiki Maruyama, Toshitaka Tatsumi,
"Signatures of hadron-quark mixed phase in gravitational waves",
Phys. Rev. D 83(02), 024014 (01/2011) (8 pages), 1012.4042 [astro-ph,HE]
2010
18) Hajime Sotani,
"Toroidal oscillations of slowly rotating relativistic star in tensor-vector-scalar theory",
Phys. Rev. D 82(12), 124061 (12/2010) (6 pages), 1012.2143 [astro-ph,HE]
17) Hajime Sotani,
"Slowly Rotating Relativistic Stars in Tensor-Vector-Scalar Theory",
Phys. Rev. D 81(08), 084006 (04/2010) (8 pages), 1003.2575 [astro-ph,HE]
2009
16) Hajime Sotani,
"Probing tensor-vector-scalar theory with gravitational wave asteroseismology",
Phys. Rev. D 80(06), 064035 (09/2009) (11 pages), 0909.2411 [gr-qc]
15) Hajime Sotani, Kostas D. Kokkotas,
"Alfven Polar Oscillations of Relativistic Stars",
Mon. Not. R. Astron. Soc. 395(2), 1163-1172 (05/2009), 0902.1490 [astro-ph]
14) Hajime Sotani,
"Gravitational Radiation from Collapsing Magnetized Dust. II. Polar Parity Perturbation",
Phys. Rev. D 79(08), 084037 (04/2009) (16 pages), 0904.1465 [gr-qc]
13) Hajime Sotani,
"Stellar Oscillations in Tensor-Vector-Scalar Theory",
Phys. Rev. D 79(06), 064033 (03/2009) (8 pages), 0903.2424 [gr-qc]
2008
12) Paul D. Lasky, Hajime Sotani, Dimitrios Giannios,
"Structure of Neutron Stars in Tensor-Vector-Scalar Theory",
Phys. Rev. D 78(10), 104019 (11/2008) (11 pages), 0811.2006 [astro-ph]
11) Hajime Sotani, Antonella Colaiuda, Kostas D. Kokkotas,
"Constraints on the Magnetic Field Geometry of Magnetars",
Mon. Not. R. Astron. Soc. 385(4), 2161-2165 (04/2008), 0711.1518 [gr-qc]
10) Hajime Sotani, Kostas D. Kokkotas, Nikolaos Stergioulas,
"Alfven quasi-periodic oscillations in magnetars",
Mon. Not. R. Astron. Soc. Letters 385(1), L5-L9 (03/2008), 0710.1113 [astro-ph]
2007
9) Hajime Sotani, Shijun Yoshida, Kostas D. Kokkotas,
"Gravitational radiation from collapsing magnetized dust",
Phys. Rev. D 75(08), 084015 (04/2007) (20 pages), gr-qc/0702091
8) Hajime Sotani, Kostas D. Kokkotas, Nikolaos Stergioulas,
"Torsional Oscillations of Relativistic Stars with Dipole Magnetic Fields",
Mon. Not. R. Astron. Soc. 375(1), 261-277 (02/2007), astro-ph/0608626
2006
7) Hajime Sotani, Motoyuki Saijo,
"Gravitational waves from a dust disk around a Schwarzschild black hole",
Phys. Rev. D 74(02), 024001 (07/2006) (12 pages), gr-qc/0507030
6) Hajime Sotani, Takayuki Tatekawa,
"The comparison of velocity distribution between Adhesion approximation and the Euler-Jeans-Newton model",
Phys. Rev. D 73(02), 024024 (01/2006) (8 pages), astro-ph/0601281
2005
5) Hajime Sotani, Kostas D. Kokkotas,
"Stellar Oscillations in Scalar-Tensor Theory of Gravity",
Phys. Rev. D 71(12), 124038 (06/2005) (14 pages), gr-qc/0506060
2004
4) Hajime Sotani, Kostas D. Kokkotas,
"Probing Strong-Field Scalar-Tensor Gravity with Gravitational Wave Asteroseismology",
Phys. Rev. D 70(08), 084026 (10/2004) (14 pages), gr-qc/0409066
3) Hajime Sotani, Kazunori Kohri, Tomohiro Harada,
"Restricting quark matter models by gravitational wave observation",
Phys. Rev. D 69(08), 084008 (04/2004) (10 pages), gr-qc/0310079
2003
2) Hajime Sotani, Tomohiro Harada,
"Nonradial oscillations of quark stars",
Phys. Rev. D 68(02), 024019 (07/2003) (10 pages), gr-qc/0307035
2002
1) Hajime Sotani, Kazuhiro Tominaga, Kei-ichi Maeda,
"Density Discontinuity of a Neutron Star and Gravitational Wave",
Phys. Rev. D 65(02), 024010 (12/2001) (12 pages), gr-qc/0108060
2002
1)