Shuichiro Yokoyama

Primordial black holes and induced gravitational waves from logarithmic non-Gaussianity

#1

Ryoto Inui
(
- Nagoya U.
)
,
Cristian Joana
(
- Beijing, KITPC
)
,
Hayato Motohashi
(
- Kogakuin U.
)
,
Shi Pi
(
- Beijing, KITPC and
- Peking U., CHEP and
- Tokyo U., IPMU
)
,
Yuichiro Tada
(
- Nagoya U. and
- Nagoya U., ISEE
)

et al.

(Nov 12, 2024)

Published in:
- JCAP 03 (2025) 021
•
e-Print:
- 2411.07647 [astro-ph.CO]

pdfDOI

reference search13 citations

Stochastic gravitational wave background anisotropies from inflation with non-Bunch-Davies states

#2

Shingo Akama
(
- Jagiellonian U.
)
,
Shin'ichi Hirano
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Oct 18, 2024)

e-Print:
- 2410.14664 [astro-ph.CO]

pdf

reference search0 citations

Constant roll and non-Gaussian tail in light of logarithmic duality

#3

Ryoto Inui
(
- Nagoya U.
)
,
Hayato Motohashi
(
- Kogakuin U.
)
,
Shi Pi
(
- Beijing, Inst. Theor. Phys. and
- Peking U., CHEP and
- Tokyo U., IPMU
)
,
Yuichiro Tada
(
- Nagoya U. and
- Nagoya U., ISEE
)
,
Shuichiro Yokoyama
(
- Nagoya U. and
- Tokyo U., IPMU and
- KMI, Nagoya
)

(Sep 20, 2024)

Published in:
- JCAP 02 (2025) 042
•
e-Print:
- 2409.13500 [astro-ph.CO]

pdfDOI

reference search6 citations

First confirmation of anisotropic halo bias from statistically anisotropic matter distributions

#4

(Sep 18, 2024)

e-Print:
- 2409.12004 [astro-ph.CO]

pdf

reference search0 citations

Gravitational waves from graviton bremsstrahlung with kination phase

#5

Ryoto Inui
(
- Nagoya U. (main)
)
,
Yusuke Mikura
(
- Nagoya U. (main)
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Aug 20, 2024)

Published in:
- Phys.Rev.D 111 (2025) 4, 043511
•
e-Print:
- 2408.10786 [astro-ph.CO]

pdfDOI

reference search7 citations

General relativistic approach to the vis-viva equation on Schwarzschild metric

#6

(Apr 15, 2024)

Published in:
- Gen.Rel.Grav. 56 (2024) 4, 48
•
e-Print:
- 2404.10302 [gr-qc]

pdfDOI

reference search0 citations

Prospects of detection of subsolar mass primordial black hole and white dwarf binary mergers

#7

(Dec 29, 2023)

Published in:
- Phys.Rev.D 109 (2024) 10, 103514
•
e-Print:
- 2401.00044 [gr-qc]

pdfDOI

reference search9 citations

Constraints on non-Gaussian primordial curvature perturbation from the LIGO-Virgo-KAGRA third observing run

#8

Ryoto Inui
(
- Nagoya U.
)
,
Santiago Jaraba
(
- Madrid, IFT
)
,
Sachiko Kuroyanagi
(
- Nagoya U. and
- Madrid, IFT
)
,
Shuichiro Yokoyama
(
- Nagoya U. and
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Nov 9, 2023)

Published in:
- JCAP 05 (2024) 082
•
e-Print:
- 2311.05423 [astro-ph.CO]

pdfDOI

reference search12 citations

Probing the Mass Relation between Supermassive Black Holes and Dark Matter Halos at High Redshifts by Gravitational Wave Experiments

#9

(Jun 28, 2023)

Published in:
- Astrophys.J. 959 (2023) 2, 117
•
e-Print:
- 2306.16281 [astro-ph.CO]

DOI

reference search1 citation

Cosmological gravity probes: Connecting recent theoretical developments to forthcoming observations

#10

et al.

(Dec 18, 2022)

Published in:
- PTEP 2023 (2023) 7, 072E01,
- PTEP 2024 (2024) 7, 079201 (erratum)
•
e-Print:
- 2212.09094 [astro-ph.CO]

reference search31 citations

Primordial black holes and gravitational waves induced by exponential-tailed perturbations

#11

Katsuya T. Abe
(
- Nagoya U.
)
,
Ryoto Inui
(
- Nagoya U.
)
,
Yuichiro Tada
(
- Nagoya U. and
- Nagoya U., IAR and
- KEK, Tsukuba
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Sep 28, 2022)

Published in:
- JCAP 05 (2023) 044
•
e-Print:
- 2209.13891 [astro-ph.CO]

pdfDOI

reference search48 citations

Sneutrinos as two inflatons and curvaton and leptogenesis

#12

Tomo Takahashi
(
- Saga U., Japan
)
,
Toshifumi Yamada
(
- Yokohama Natl. U.
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Aug 17, 2022)

Published in:
- JCAP 11 (2022) 021
•
e-Print:
- 2208.08296 [hep-ph]

pdfDOI

reference search1 citation

Can primordial parity violation explain the observed cosmic birefringence?

#13

Tomohiro Fujita
(
- Waseda U., Tokyo (Main) and
- Tokyo U., RESCEU
)
,
Yuto Minami
(
- Osaka U., Res. Ctr. Nucl. Phys.
)
,
Maresuke Shiraishi
(
- Suwa University of Science
)
,
Shuichiro Yokoyama
(
- Nagoya U. (main) and
- Tokyo U., IPMU
)

(Aug 17, 2022)

Published in:
- Phys.Rev.D 106 (2022) 10, 103529
•
e-Print:
- 2208.08101 [astro-ph.CO]

pdfDOI

reference search22 citations

Effective Inspiral Spin Distribution of Primordial Black Hole Binaries

#14

(Aug 1, 2022)

Published in:
- Astrophys.J. 939 (2022) 2, 65
•
e-Print:
- 2208.00696 [gr-qc]

DOI

reference search6 citations

Conceptual design and science cases of a juggled interferometer for gravitational wave detection

#15

et al.

(Jul 19, 2022)

Published in:
- Phys.Rev.D 106 (2022) 4, 042007
•
e-Print:
- 2207.09214 [gr-qc]

pdfDOI

reference search1 citation

Probing the primordial Universe with 21 cm line from cosmic dawn/epoch of reionization

#16

et al.

(Apr 12, 2022)

Published in:
- Publ.Astron.Soc.Jap. 75 (2023) Supplement_1, S154-S180-S180
•
e-Print:
- 2303.07604 [astro-ph.CO]

pdfDOI

reference search9 citations

Multi-chaotic inflation with and without spectator field

#17

Yukiyoshi Morishita
(
- Nagoya U.
)
,
Tomo Takahashi
(
- Saga U., Japan
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Mar 17, 2022)

Published in:
- JCAP 07 (2022) 07, 042
•
e-Print:
- 2203.09698 [astro-ph.CO]

pdfDOI

reference search7 citations

Simulation of primordial black holes with large negative non-Gaussianity

#18

Albert Escrivà
(
- Brussels U.
)
,
Yuichiro Tada
(
- Nagoya U., IAR and
- Nagoya U.
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)
,
Chul-Moon Yoo
(
- Nagoya U.
)

(Feb 2, 2022)

Published in:
- JCAP 05 (2022) 05, 012
•
e-Print:
- 2202.01028 [astro-ph.CO]

pdfDOI

reference search44 citations

Optimization of Design Parameters for Gravitational Wave Detector DECIGO Including Fundamental Noises

#19

et al.

(Feb 1, 2022)

Published in:
- Galaxies 10 (2022) 1, 25
•
e-Print:
- 2202.04253 [gr-qc]

DOI

reference search9 citations

Primordial black holes in peak theory with a non-Gaussian tail

#20

(Sep 2, 2021)

Published in:
- JCAP 10 (2021) 053
•
e-Print:
- 2109.00791 [astro-ph.CO]

pdfDOI

reference search77 citations

Generalized local ansatz for scale-dependent primordial non-Gaussianities and future galaxy surveys

#21

(Aug 27, 2021)

Published in:
- Publ.Astron.Soc.Jap. 75 (2023) Supplement_1, S181-S195-S195
•
e-Print:
- 2108.12123 [astro-ph.CO]

pdfDOI

reference search2 citations

Minimal

k

-inflation in light of the conformal metric-affine geometry

#22

Yusuke Mikura
(
- Nagoya U.
)
,
Yuichiro Tada
(
- Nagoya U.
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Mar 24, 2021)

Published in:
- Phys.Rev.D 103 (2021) 10, L101303
•
e-Print:
- 2103.13045 [hep-th]

DOI

reference search28 citations

Particle acceleration by sound waves generated in the shock downstream region

#23

(2021)

Published in:
- PoS ICRC2021 (2021) 172
•
Contribution to:
- ICRC 2021
  , 172

pdfDOI

reference search0 citations

Blue-tilted inflationary tensor spectrum and reheating in the light of NANOGrav results

#24

Sachiko Kuroyanagi
(
- Madrid, Autonoma U. and
- Nagoya U. (main)
)
,
Tomo Takahashi
(
- Saga U., Japan
)
,
Shuichiro Yokoyama
(
- KMI, Nagoya and
- Tokyo U., IPMU
)

(Nov 6, 2020)

Published in:
- JCAP 01 (2021) 071
•
e-Print:
- 2011.03323 [astro-ph.CO]

pdfDOI

reference search85 citations

Statistically-Anisotropic Tensor Bispectrum from Inflation

#25

Takashi Hiramatsu
(
- Rikkyo U.
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Ippei Obata
(
- Kyoto U. and
- Garching, Max Planck Inst.
)
,
Shuichiro Yokoyama
(
- Tokyo U., IPMU and
- KMI, Nagoya
)

(Aug 7, 2020)

Published in:
- JCAP 03 (2021) 047
•
e-Print:
- 2008.03233 [astro-ph.CO]

pdfDOI

reference search7 citations

Shuichiro Yokoyama(
Kyoto U.
)

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Shuichiro Yokoyama(Kyoto U.)

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Shuichiro Yokoyama(
Kyoto U.
)