・ブラックホール物理

`MHD flows in Kerr geometry: energy extraction from black holes'

M.Takahashi, S.Nitta, Y.Tatematsu, A.Tomimatsu

Astrophys.J. 363, 206-217 (Nov. 1990)

`Effects of magnetohydrodynamic accretion flows on global structure of a Kerr black hole magnetosphere'
S.Nitta, M.Takahashi, A.Tomimatsu
Phys.Rev. D44, 2295-2305 (Oct. 1991)

`Accretion in a Kerr Black Hole Magnetosphere:
    Energy and Angular Momentum Transport between the Magnetic Field and the Matter'
K.Hirotani, M.Takahashi, S.Nitta, A.Tomimatsu
Astrophys.J. 386, 455-463 (Feb. 1992)

`An application of the Kerr black hole fly-wheel model to statistical properties of QSOs/AGNs'
S.Nitta
Mon.Not.Roy.Astron.Soc. 308, 995-1005 (Oct. 1999)
 

・相対論的プラズマ風理論
`Asymptotically Conical Solution of Magnetically Driven Relativistic Winds'
S.Nitta
Publ.Astron.Soc.Japan  46, 217-226 (Apr. 1994)

`Current Distribution in Rotating Magetized Winds across the Light Cylinder'
S.Nitta
Mon.Not.Roy.Astron.Soc. 276, 825-835 (Oct. 1995)

`A non-force-free cylindrical jet embedded in a conical wind envelope'
S.Nitta
Mon.Not.Roy.Astron.Soc. 284, 899-910 (Feb. 1997)
 

・磁気リコネクション
`Fast magnetic reconnection in free space: self-similar evolution process'
S.Nitta, S.Tanuma, K.Shibata, K.Maezawa
Astrophys.J. 550, 1119-1130 (Apr. 2001)

`Self-similar solution of fast magnetic reconnection: Semi-analytic study of inflow region'
S.Nitta, S.Tanuma, K.Maezawa
Astrophys.J. 580, 538-549 (Nov. 2002)

`Outflow structure and reconnection rate of the self-similar evolution model of fast magnetic reconnection'

S.Nitta

Astrophys.J. 610, 1117-1128 (Aug. 2004)

`Magnetic Reynolds number dependence of reconnection rate and flow structure of the self-similar evolution model of fast magnetic reconnection'

S.Nitta

Astrophys.J. 638, 518-529 (Feb. 2006)

`Continuous transition from fast magnetic reconnection to slow reconnection and change of the reconnection system structure'

S.Nitta

Astrophys.J. 663, 610-624 (Jul. 2007)

`Critical Differences of Asymmetric Magnetic Reconnection from Standard Models'

S.Nitta, T. Wada, T. Fuchida, K. Kondoh

Astrophys.J. 828, 63, 16 pp. (Aug. 2016)

`Properties of Extremely Asymmetric Magnetic Reconnection’

S.Nitta, K. Kondoh

Astrophys.J. 872, 147, 17pp. (Feb. 2019)

`Fundamental Properties of Sheared/Guide Field MHD Magnetic Reconnection’

S.Nitta, K. Kondoh

Astrophys.J. 907, 21, 21pp. (Jan. 2021)

`Effects of Magnetic Shear and Thermodynamic Asymmetry on Spontaneous Magnetohydrodynamic Reconnection’

S.Nitta, K. Kondoh

Astrophys.J. 936, 125, 19pp. (Sep. 2022)

`Investigations of the degree of asymmetry across the dayside magnetopause under southward interplanetary magnetic field using GEOTAIL observations’

11. K.Kondoh, S.Nitta
    

Earth, Planets and Space, 76, 33 (Dec. 2024)

・太陽物理

`Observational prediction of high magnetic Reynolds number

pre-flare reconnection events: An application of the Nitta's self-similar reconnection model'

S.Nitta

Astrophys.J. 719, 1828 (Aug. 2010)

`Clear Detection of Chromospheric Evaporation Upflows with High Spatial/Temporal Resolution by Hinode XRT’

S.Nitta, S.Imada, T.T.Yamamoto

Solar Phys. 276, 183 (Jan. 2012)

・銀河風

`Transonic Solutions of Isothermal Galactic Winds in a Cold Dark Matter Halo'

M. Tsuchiya, M. Mori, S.Nitta

Mon. Not. Roy. Astron. Soc. 432, 2837-2845 (Jul. 2013)

`Transonic Galactic Outflows in a Dark Matter Halo with a Central Black Hole and its Application to the Sombrero Galaxy'

A. Igarashi, M. Mori, S.Nitta

Mon. Not. Roy. Astron. Soc. 444, 1177-1188 (Oct. 2014)

`Polytropic transonic galactic outflows in a dark matter halo with a central black hole’

1. A.Igarashi, M. Mori, S.Nitta
   

Mon. Not. Roy. Astron. Soc. 470, 2225-2239 (Sep. 2017)

`Transonic galactic wind model including stellar feedbacks and application to outflows in high/low-z galaxies’

1. A.Igarashi, M. Mori, S.Nitta
   

2. B.Publ. Astron. Soc. Japan 75, 1214-1245 (Dec. 2023)
   

以上の論文はすべてADSなどで閲覧できます。

・ガスタービン
`On the optimization of the steam injected gas turbine system'
S.Nitta, N.Arai
Fluid & Heat Eng. Res. 33, 39-50 (Jun. 1998)