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Dip and non-linearity in the curvature perturbation from inflation with a transient non-slow-roll stage

Tomohiro Fujita
(
- Ochanomizu U. and
- Tokyo U., IPMU and
- Tokyo U.
)
,
Ryodai Kawaguchi
(
- Waseda U.
)
,
Misao Sasaki
(
- Tokyo U., IPMU and
- Tokyo U. and
- Kyoto U., Yukawa Inst., Kyoto and
- Taiwan, Natl. Taiwan U.
)
,
Yuichiro Tada
(
- Nagoya U., ISEE and
- Nagoya U.
)

(Mar 25, 2025)

e-Print:
- 2503.19744 [astro-ph.CO]

pdf

reference search0 citations

Harvesting primordial black holes from stochastic trees with

\texttt{FOREST}

Chiara Animali
(
- Louvain U. and
- LPENS, Paris
)
,
Pierre Auclair
(
- Louvain U.
)
,
Baptiste Blachier
(
- Louvain U. and
- LPENS, Paris
)
,
Vincent Vennin
(
- LPENS, Paris
)

(Jan 9, 2025)

e-Print:
- 2501.05371 [astro-ph.CO]

pdf

reference search1 citation

Primordial Black Hole Formation from the Upward Step Model: Avoiding Overproduction

(Dec 27, 2024)

e-Print:
- 2412.19631 [astro-ph.CO]

pdf

reference search1 citation

A complete analysis of inflation with piecewise quadratic potential

Xinpeng Wang
(
- U. Tokyo (main) and
- Tokyo U., IPMU and
- Tongji U.
)
,
Xiao-Han Ma
(
- U. Tokyo (main) and
- Tokyo U., IPMU and
- USTC, Hefei
)
,
Misao Sasaki
(
- U. Tokyo (main) and
- Tokyo U., IPMU and
- Kyoto U., Yukawa Inst., Kyoto and
- Taiwan, Natl. Taiwan U.
)

(Dec 20, 2024)

e-Print:
- 2412.16463 [astro-ph.CO]

pdf

reference search4 citations

How Well Do We Know the Scalar-Induced Gravitational Waves?

A.J. Iovino
(
- U. Rome La Sapienza (main) and
- INFN, Rome and
- Geneva U., CAP
)
,
S. Matarrese
(
- Padua U. and
- Padua U., Astron. Dept. and
- INFN, Padua and
- Padua Observ.
)
,
G. Perna
(
- Geneva U., CAP and
- Padua U. and
- Padua U., Astron. Dept. and
- INFN, Padua and
- GSSI, Aquila
)
,
A. Ricciardone
(
- Pisa U. and
- INFN, Pisa
)
,
A. Riotto
(
- Geneva U., CAP
)

(Dec 9, 2024)

e-Print:
- 2412.06764 [astro-ph.CO]

pdf

reference search8 citations

Nonperturbative Phenomenons of the Very Early Universe: Resonances in Primordial Fluctuations and Non-Gaussian Tails

Cai Yi-fu
(
- USTC, Hefei and
- CUST, SKLPDE
)
,
He Xin-chen
(
- USTC, Hefei and
- CUST, SKLPDE
)
,
Ma Xiao-han
(
- USTC, Hefei and
- CUST, SKLPDE
)

(Dec, 2024)

Published in:
- Chin.Astron.Astrophys. 48 (2024) 4, 635-682

DOI

reference search0 citations

Ultraslow-roll inflation on the lattice: Backreaction and nonlinear effects

(Oct 31, 2024)

Published in:
- Phys.Rev.D 111 (2025) 6, 063518
•
e-Print:
- 2410.23942 [astro-ph.CO]

pdfDOI

reference search13 citations

Steepest Growth in the Primordial Power Spectrum from Excited States at a Sudden Transition

Mattia Cielo
(
- INFN, Naples and
- Naples U. and
- Madrid, Autonoma U.
)
,
Gianpiero Mangano
(
- INFN, Naples and
- Naples U.
)
,
Ofelia Pisanti
(
- INFN, Naples and
- Naples U.
)
,
David Wands
(
- Portsmouth U., ICG
)

(Oct 29, 2024)

e-Print:
- 2410.22154 [astro-ph.CO]

pdf

reference search4 citations

Stochastic inflation beyond slow roll: noise modelling and importance sampling

Joseph H.P. Jackson
(
- Portsmouth U., ICG
)
,
Hooshyar Assadullahi
(
- Portsmouth U., ICG and
- Portsmouth U.
)
,
Andrew D. Gow
(
- Portsmouth U., ICG
)
,
Kazuya Koyama
(
- Portsmouth U., ICG
)
,
Vincent Vennin
(
- Portsmouth U., ICG and
- LPENS, Paris
)

et al.

(Oct 17, 2024)

e-Print:
- 2410.13683 [astro-ph.CO]

pdf

reference search6 citations

Cross-correlation between the curvature perturbations and magnetic fields in pure ultra slow roll inflation

#10

(Sep 30, 2024)

e-Print:
- 2409.20232 [astro-ph.CO]

pdf

reference search0 citations

Stochastic axionlike curvaton: Non-Gaussianity and primordial black holes without a large power spectrum

#11

Chao Chen
(
- Jiangsu U. Sci. Technol., Zhenjiang and
- Hong Kong U. Sci. Tech.
)
,
Anish Ghoshal
(
- Warsaw U.
)
,
Gianmassimo Tasinato
(
- Swansea U. and
- Bologna U. and
- INFN, Bologna and
- U. Bologna, DIFA
)
,
Eemeli Tomberg
(
- NICPB, Tallinn and
- Lancaster U.
)

(Sep 19, 2024)

Published in:
- Phys.Rev.D 111 (2025) 6, 063539
•
e-Print:
- 2409.12950 [astro-ph.CO]

pdfDOI

reference search6 citations

Gravitational waves from primordial black hole isocurvature: the effect of non-Gaussianities

#12

Xin-Chen He
(
- USTC, Hefei and
- CUST, SKLPDE and
- Hefei U. Technol.
)
,
Yi-Fu Cai
(
- USTC, Hefei and
- CUST, SKLPDE and
- Hefei U. Technol.
)
,
Xiao-Han Ma
(
- USTC, Hefei and
- CUST, SKLPDE and
- Hefei U. Technol.
)
,
Theodoros Papanikolaou
(
- SSM, Naples and
- INFN, Naples and
- Athens Observ.
)
,
Emmanuel N. Saridakis
(
- USTC, Hefei and
- CUST, SKLPDE and
- Athens Observ. and
- Catolica del Norte U.
)

et al.

(Sep 17, 2024)

Published in:
- JCAP 12 (2024) 039
•
e-Print:
- 2409.11333 [astro-ph.CO]

pdfDOI

reference search10 citations

Primordial regular black holes as all the dark matter. II. Non-time-radial-symmetric and loop quantum gravity-inspired metrics

#13

Marco Calzà
(
- Trento U. and
- TIFPA-INFN, Trento
)
,
Davide Pedrotti
(
- Trento U. and
- TIFPA-INFN, Trento
)
,
Sunny Vagnozzi
(
- Trento U. and
- TIFPA-INFN, Trento
)

(Sep 4, 2024)

Published in:
- Phys.Rev.D 111 (2025) 2, 024010
•
e-Print:
- 2409.02807 [gr-qc]

pdfDOI

reference search20 citations

Primordial regular black holes as all the dark matter. I. Time-radial-symmetric metrics

#14

Marco Calzà
(
- Trento U. and
- TIFPA-INFN, Trento
)
,
Davide Pedrotti
(
- Trento U. and
- TIFPA-INFN, Trento
)
,
Sunny Vagnozzi
(
- Trento U. and
- TIFPA-INFN, Trento
)

(Sep 4, 2024)

Published in:
- Phys.Rev.D 111 (2025) 2, 024009
•
e-Print:
- 2409.02804 [gr-qc]

pdfDOI

reference search23 citations

Extended

\delta N

formalism

#15

Danilo Artigas
(
- Kyoto U.
)
,
Shi Pi
(
- Beijing, Inst. Theor. Phys. and
- Peking U., CHEP and
- Tokyo U., IPMU
)
,
Takahiro Tanaka
(
- Kyoto U. and
- Kyoto U., Yukawa Inst., Kyoto
)

(Aug 19, 2024)

e-Print:
- 2408.09964 [astro-ph.CO]

pdf

reference search8 citations

The Impact of Non-Gaussian Primordial Tails on Cosmological Observables

#16

(Jun 21, 2024)

e-Print:
- 2406.15546 [astro-ph.CO]

pdf

reference search5 citations

Robust μ-distortion constraints on primordial supermassive black holes from non-Gaussian perturbations

#17

(Apr 29, 2024)

Published in:
- JCAP 09 (2024) 012
•
e-Print:
- 2404.18475 [astro-ph.CO]

DOI

reference search12 citations

Non-Gaussianities in primordial black hole formation and induced gravitational waves

#18

Shi Pi

(Apr 9, 2024)

e-Print:
- 2404.06151 [astro-ph.CO]

pdf

reference search25 citations

Enhanced curvature perturbation and primordial black hole formation in two-stage inflation with a break

#19

Xinpeng Wang
(
- Tongji U. and
- U. Tokyo (main) and
- Tokyo U., IPMU
)
,
Ying-li Zhang
(
- Tongji U. and
- Shanghai U. and
- Beijing, Inst. Theor. Phys. and
- U. Tokyo (main) and
- Tokyo U., IPMU and
- Yangzhou U.
)
,
Misao Sasaki
(
- U. Tokyo (main) and
- Tokyo U., IPMU and
- Kyoto U., Yukawa Inst., Kyoto and
- Taiwan, Natl. Taiwan U.
)

(Apr 3, 2024)

Published in:
- JCAP 07 (2024) 076
•
e-Print:
- 2404.02492 [astro-ph.CO]

pdfDOI

reference search23 citations

Constraining the history of reheating with the NANOGrav 15-year data

#20

(Mar 25, 2024)

Published in:
- JCAP 01 (2025) 118,
- JCAP 01 (2025) 118
•
e-Print:
- 2403.16963 [astro-ph.CO]

pdfDOI

reference search7 citations

Loop corrections in the bispectrum in ultraslow-roll inflation with PBHs formation

#21

Hassan Firouzjahi
(
- IPM, Tehran
)

(Mar 6, 2024)

Published in:
- Phys.Rev.D 110 (2024) 4, 043519
•
e-Print:
- 2403.03841 [astro-ph.CO]

pdfDOI

reference search12 citations

Angular bispectrum and trispectrum of scalar-induced gravitational waves: all contributions from primordial non-Gaussianity f

_{NL}

and g

_{NL}

#22

Jun-Peng Li
(
- Beijing, Inst. High Energy Phys. and
- Beijing, GUCAS
)
,
Sai Wang
(
- Beijing, Inst. High Energy Phys.
)
,
Zhi-Chao Zhao
(
- China, Agriculture U. and
- Tsinghua U., Beijing, KLPRI
)
,
Kazunori Kohri
(
- Natl. Astron. Observ. of Japan and
- KEK, Tsukuba and
- Tokyo U., IPMU
)

(Feb 29, 2024)

Published in:
- JCAP 05 (2024) 109
•
e-Print:
- 2403.00238 [astro-ph.CO]

pdfDOI

reference search12 citations

Quantum diffusion and large primordial perturbations from inflation

#23

Vincent Vennin
(
- LPENS, Paris
)
,
David Wands
(
- Portsmouth U., ICG
)

(Feb 19, 2024)

e-Print:
- 2402.12672 [astro-ph.CO]

pdf

reference search17 citations

Clustering of primordial black holes from quantum diffusion during inflation

#24

Chiara Animali
(
- LPENS, Paris
)
,
Vincent Vennin
(
- LPENS, Paris
)

(Feb 13, 2024)

Published in:
- JCAP 08 (2024) 026
•
e-Print:
- 2402.08642 [astro-ph.CO]

pdfDOI

reference search18 citations

Non-Gaussianity consistency relations and their consequences for the peaks

#25

Mohammad Hossein Namjoo
(
- IPM, Tehran
)
,
Bahar Nikbakht
(
- IPM, Tehran
)

(Jan 23, 2024)

Published in:
- JCAP 08 (2024) 005
•
e-Print:
- 2401.12958 [astro-ph.CO]

pdfDOI

reference search10 citations

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