N. Tsukamoto

发表

Gravitational lensing by a Bronnikov-Kim wormhole under a weak-field approximation and in a strong deflection limit

N. Tsukamoto, 2021, Physical Review D.

Retrolensing by two photon spheres of a black-bounce spacetime

N. Tsukamoto, 2022, Physical Review D.

Signed magnification sums for general spherical lenses

T. Harada, N. Tsukamoto, 2012, 1211.0380.

Can we distinguish between black holes and wormholes by their Einstein ring systems

T. Harada, N. Tsukamoto, K. Yajima, 2012, 1207.0047.

Is there a trade-off relation between efficiency and power in a collisional Penrose process in an extreme Reissner-Nordström spacetime?

N. Tsukamoto, 2022, Physical Review D.

A parametrization to test black hole candidates with the spectrum of thin disks

C. Bambi, N. Tsukamoto, M. Ghasemi-Nodehi, 2015, 1512.00724.

Effect of the self-gravity of shells on a high energy collision in a rotating Bañados-Teitelboim-Zanelli spacetime

Kota Ogasawara, N. Tsukamoto, 2018, Physical Review D.

A No-Go Theorem for Rotating Stars of a Perfect Fluid without Radial Motion in Projectable Hořava–Lifshitz Gravity

T. Harada, N. Tsukamoto, 2012, 1201.1738.

Retrolensing by light rays slightly inside and outside of a photon sphere around a Reissner-Nordström naked singularity

N. Tsukamoto, 2021, Physical Review D.

Gravitational lensing by a photon sphere in a Reissner-Nordström naked singularity spacetime in strong deflection limits

N. Tsukamoto, 2021, Physical Review D.

Linearization stability of reflection-asymmetric thin-shell wormholes with double shadows

N. Tsukamoto, 2021 .

Constraining the spin and the deformation parameters from the black hole shadow

C. Bambi, Zilong Li, N. Tsukamoto, 2014, 1403.0371.

In-situ Analyses on Reactive Sputtering Processes to Deposit Photocatalytic TiO2 Films

Nobuto Oka, Yasushi Sato, Y. Shigesato, 2010 .

Nonlogarithmic divergence of a deﬂection angle by a marginally unstable photon sphere of the Damour-Solodukhin wormhole in a strong deﬂection limit

N. Tsukamoto, 2020 .

Extended source effect on microlensing light curves by an Ellis wormhole

Y. Gong, N. Tsukamoto, 2017, 1711.04560.

Retrolensing by a charged black hole

Y. Gong, N. Tsukamoto, 2016, 1612.08250.

In-situ analyses on the reactive sputtering process to deposit Al-doped ZnO films using an Al–Zn alloy target

Nobuto Oka, Y. Shigesato, N. Tsukamoto, 2012 .

High rate reactive magnetron sputter deposition of Al-doped ZnO with unipolar pulsing and impedance control system

Nobuto Oka, Yasushi Sato, Y. Shigesato, 2010 .

Affine perturbation series of the deflection angle of a ray near the photon sphere of a Reissner-Nordström black hole

N. Tsukamoto, 2022, Physical Review D.

Retrolensing by a wormhole at deflection angles π and 3π

N. Tsukamoto, 2017, 1701.09169.

Light curves of light rays passing through a wormhole

T. Harada, N. Tsukamoto, 2016, 1607.01120.

Light Intensity Profiles of Return Strokes at the Bottom of Rocket-triggered and Natural Lightning Channels

Daohong Wang, N. Takagi, Ting Wu, 2017 .

Al-doped ZnO (AZO) films deposited by reactive sputtering with unipolar-pulsing and plasma-emission control systems

Nobuto Oka, Y. Shigesato, Yasutaka Nishi, 2010 .

Study on reactive sputtering to deposit transparent conductive amorphous In2O3–ZnO films using an In–Zn alloy target

Nobuto Oka, Y. Shigesato, J. Jia, 2014 .

High-rate deposition of Sb-doped SnO2 films by reactive sputtering using the impedance control method

Nobuto Oka, Y. Shigesato, Y. Muto, 2011 .

In-situ analysis of positive and negative energetic ions generated during Sn-doped In2O3 deposition by reactive sputtering

Nobuto Oka, Y. Shigesato, N. Tsukamoto, 2011 .

In situ analyses on negative ions in the sputtering process to deposit Al-doped ZnO films

Nobuto Oka, Y. Shigesato, N. Tsukamoto, 2010 .

Deflection angle of a light ray reflected by a general marginally unstable photon sphere in a strong deflection limit

N. Tsukamoto, 2020, 2008.12244.

Deflection angle in the strong deflection limit in a general asymptotically flat, static, spherically symmetric spacetime

N. Tsukamoto, 2016, 1612.08251.

High energy particle collisions in static, spherically symmetric black-hole-like wormholes

N. Tsukamoto, T. Kokubu, 2019, Physical Review D.

Collisional Penrose process in a rotating wormhole spacetime

C. Bambi, N. Tsukamoto, 2015, 1503.06386.

High energy collision of two particles in wormhole spacetimes

C. Bambi, N. Tsukamoto, 2014, 1411.5778.

Black hole shadow in an asymptotically-flat, stationary, and axisymmetric spacetime: The Kerr-Newman and rotating regular black holes

N. Tsukamoto, 2017, 1708.07427.

Gravitational lensing in the Simpson-Visser black-bounce spacetime in a strong deflection limit

N. Tsukamoto, 2020, Physical Review D.

Linear stability analysis of a rotating thin-shell wormhole

N. Tsukamoto, T. Kokubu, 2018, Physical Review D.

Strong deflection limit analysis and gravitational lensing of an Ellis wormhole

N. Tsukamoto, 2016, 1607.07022.

Wave Effect in Gravitational Lensing by the Ellis Wormhole

Chul-Moon Yoo, T. Harada, N. Tsukamoto, 2013, 1302.7170.

observing technologies and system JMA ’ s C-band dual-polarization Doppler weather radars with SSPAs

H. Yamauchi, N. Tsukamoto, Akihito Umehara, 2016 .

Nonlogarithmic divergence of a deflection angle by a marginally unstable photon sphere of the Damour-Solodukhin wormhole in a strong deflection limit

N. Tsukamoto, 2020, Physical Review D.

Gravitational lensing by using the 0th order of affine perturbation series of the deflection angle of a ray near a photon sphere

N. Tsukamoto, 2022, The European Physical Journal C.

Gravitational lensing in Tangherlini spacetime in the weak gravitational field and the strong gravitational field

H. Asada, Koki Nakajima, N. Tsukamoto, 2014, 1402.6823.

High energy collision of particles in the vicinity of extremal black holes in higher dimensions: Bañados-Silk-West process as linear instability of extremal black holes

T. Harada, M. Kimura, N. Tsukamoto, 2013, 1310.5716.

Gravitational lensing by two photon spheres in a black-bounce spacetime in strong deflection limits

N. Tsukamoto, 2021, Physical Review D.

Comment on ‘Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A*’

N. Tsukamoto, 2023, Classical and Quantum Gravity.

Positional relationship between ball and fingers for accurate baseball pitching

Ayane Kusafuka, N. Tsukamoto, Kazutoshi Kudo, 2023, PloS one.