Publications

Paper

2022

Non-Gaussianities in generalized non-local R2-like inflation Alexey S. Koshelev, K. Sravan Kumar, Alexei A. Starobinsky arXiv:2210.16459
Reconstruction of Power Spectrum of Primordial Curvature Perturbations on small scales from Primordial Black Hole Binaries scenario of LIGO/VIRGO detection Xinpeng Wang(Tongji U.), Ying-li Zhang(Tongji U. and Shanghai U. and Tokyo U., IPMU and Yangzhou U.), Rampei Kimura(Waseda U.), Masahide Yamaguchi(Tokyo Inst. Tech.) arXiv:2209.12911
Hemispherical asymmetry of primordial power spectra K. Sravan Kumar, João Marto arXiv:2209.03928
Generalized non-local R2-like inflation Alexey S. Koshelev, K. Sravan Kumar, Alexei A. Starobinsky arXiv:2209.02515
Thick accretion disk configurations in the Born-Infeld teleparallel gravity Sebastian Bahamonde, Shokoufe Faraji, Eva Hackmann, Christian Pfeifer arXiv:2209.00020
New Dynamical Degrees of Freedom from Invertible Transformations Pavel Jiroušek, Keigo Shimada, Alexander Vikman, Masahide Yamaguchi arXiv:2208.05951
Coincident gauge for static spherical field configurations in symmetric teleparallel gravity Sebastian Bahamonde, Laur Järv arXiv::2208.01872
Disforming to Conformal Symmetry Pavel Jiroušek, Keigo Shimada, Alexander Vikman, Masahide Yamaguchi arXiv:2207.12611
Neutrino lines from MeV dark matter annihilation and decay in JUNO Kensuke Akita, Gaetano Lambiase, Michiru Niibo, Masahide Yamaguchi arXiv:2206.06755
Black hole solutions in scalar-tensor symmetric teleparallel gravity Sebastian Bahamonde, Jorge Gigante Valcarcel, Laur Järv, Joosep Lember arXiv:2206.02725
Testing Born-Infeld f(T) teleparallel gravity through Sgr A⋆ observations Kimet Jusufi, Salvatore Capozziello, Sebastian Bahamonde, Mubasher Jamil arXiv:2205.07629
Quantum gravity, higher derivatives and nonlocality Luca Buoninfante(Nordita and Stockholm U.), K.Sravan Kumar(Tokyo Inst. Tech.) DOI: 10.1393/ncc/i2022-22025-8
Topological defects in nonlocal field theories Luca Buoninfante, Yuichi Miyashita, Masahide Yamaguchi arXiv:2203.04942
Perturbations in Non-Flat Cosmology for f(T) gravity Sebastian Bahamonde, Konstantinos F. Dialektopoulos, Manuel Hohmann, Jackson Levi Said, Christian Pfeifer, Emmanuel N. Saridakis arXiv:2203.00619
Scalarized Black Holes in Teleparallel Gravity Sebastian Bahamonde, Ludovic Ducobu, Christian Pfeifer arXiv:2201.11445
Gravitational Waves in Metastable Supersymmetry Breaking Chong-Sun Chu, Asuka Ito arXiv:2201.11323

2021

Polychronic Tunneling: New Tunneling Processes Experiencing Euclidean and Lorentzian Evolution Simultaneously Naritaka Oshita, Yutaro Shoji, Masahide Yamaguchi arXiv::2112.10736
Inflationary flavor oscillations and the cosmic spectroscopy Lucas Pinol, Shuntaro Aoki, Sébastien Renaux-Petel, Masahide Yamaguchi arXiv:2112.05710
Tree-level unitarity in Higgs inflation in the metric and Palatini formulation Asuka Ito, Wafaa Khater, Syksy Rasanen arXiv:2111.05621
Microlensing constraints on axion stars including finite lens and source size effects Kohei Fujikura, Mark P. Hertzberg, Enrico D. Schiappacasse, Masahide Yamaguchi arXiv:2109.04283
Unstable Cosmic Neutrino Capture Kensuke Akita, Gaetano Lambiase, Masahide Yamaguchi arXiv:2109.02900
Invertibility conditions for field transformations with derivatives: toward extensions of disformal transformation with higher derivatives Eugeny Babichev, Keisuke Izumi, Norihiro Tanahashi, Masahide Yamaguchi arXiv:2109.00912
Black hole shadow and Wandering null geodesics Masaru Siino arXiv:2107.06551
On the assumptions leading to the information loss paradox Luca Buoninfante, Francesco Di Filippo, Shinji Mukohyama arXiv:2107.05662
Cosmic No-hair Conjecture and Inflation with an SU(3) Gauge Field Pengyuan Gao, Kazufumi Takahashi, Asuka Ito, Jiro Soda arXiv:2107.00264
Non-local R2-like inflation, Gravitational Waves and Non-Gaussianities K. Sravan Kumar arXiv:2111.04291
An anisotropic bouncing universe in non-local gravity K. Sravan Kumar, Shubham Maheshwari, Anupam Mazumdar, Jun Peng arXiv:2103.13980
Maximal Acceleration, Reciprocity & Nonlocality Luca Buoninfante arXiv:2105.08167
Quantum interference in external gravitational fields beyond General Relativity Luca Buoninfante, Gaetano Lambiase, Luciano Petruzziello arXiv:2104.11154
Gravitational field of scalar lumps in higher-derivative gravity Luca Buoninfante, Yuichi Miyashita arXiv:2103.14313
An anisotropic bouncing universe in non-local gravity K. Sravan Kumar, Shubham Maheshwari, Anupam Mazumdar, Jun Peng arXiv:2103.13980
Electroweak-like Baryogenesis with New Chiral Matter Kohei Fujikura, Keisuke Harigaya, Yuichiro Nakai, Ruoquan Wang arXiv:2103.05005
Reconstruction of Primordial Power Spectrum of curvature perturbation from the merger rate of Primordial Black Hole Binaries Rampei Kimura, Teruaki Suyama, Masahide Yamaguchi, Ying-li Zhang arXiv:2102.05280
Revisiting non-Gaussianity in non-attractor inflation models in the light of the cosmological soft theorem Teruaki Suyama, Yuichiro Tada, Masahide Yamaguchi arXiv:2101.10682

2020

Disentangling mass spectra of multiple fields in cosmological collider Shuntaro Aoki, Masahide Yamaguchi arXiv:2012.13667
Gravitational wave spectra from oscillon formation after inflation Takashi Hiramatsu, Evangelos I. Sfakianakis, Masahide Yamaguchi arXiv:2011.12201
Einstein, Planck and Vera Rubin: relevant encounters between the Cosmological and the Quantum Worlds Paolo Salucci, Giampiero Esposito, Gaetano Lambiase, Emmanuele Battista, Micol Benetti et al. arXiv:2011.09278
Losing the trace to find dynamical Newton or Planck constants Pavel Jiroušek, Keigo Shimada, Alexander Vikman, Masahide Yamaguchi arXiv:2011.07055
Cosmological Perturbations in Palatini Formalism Mio Kubota, Kin-ya Oda, Keigo Shimada, Masahide Yamaguchi arXiv:2010.07867
Precise Capture Rates of Cosmic Neutrinos and Their Implications on Cosmology Kensuke Akita, Saul Hurwitz, Masahide Yamaguchi arXiv:2010.04454
Bekenstein bound and uncertainty relations Luca Buoninfante, Giuseppe Gaetano Luciano, Luciano Petruzziello, Fabio Scardigli arXiv:2009.12530
Analytic formula for the dynamics around inflation end and implications on primordial gravitational waves Asuka Ito, Jiro Soda, Masahide Yamaguchi arXiv:2009.03611
Local observer effect on the cosmological soft theorem Teruaki Suyama, Yuichiro Tada, Masahide Yamaguchi arXiv:2008.13364
How does a dark compact object ringdown? Elisa Maggio, Luca Buoninfante, Anupam Mazumdar, Paolo Pani arXiv:2006.14628
Echoes from corpuscular black holes Luca Buoninfante arXiv:2005.08426
A precision calculation of relic neutrino decoupling Kensuke Akita, Masahide Yamaguchi arXiv:2005.07047
Light bending by a slowly rotating source in quadratic theories of gravity Luca Buoninfante, Breno L. Giacchini arXiv:2005.05355
Disformal invariance of cosmological observables Takeshi Chiba, Fabio Chibana, Masahide Yamaguchi arXiv:2003.10633
Observable Gravitational Waves in Minimal Scotogenic Model Debasish Borah, Arnab Dasgupta, Kohei Fujikura, Sin Kyu Kang, Devabrat Mahanta arXiv:2003.02276
Revealing neutrino nature and \(CPT\) violation with decoherence effects Luca Buoninfante, Antonio Capolupo, Salvatore M. Giampaolo, Gaetano Lambiase arXiv:2001.07580
Generalized ghost-free propagators in nonlocal field theory Luca Buoninfante, Gaetano Lambiase, Yuichi Miyashita, Wataru Takebe, Masahide Yamaguchi arXiv:2001.07830
Phenomenology of GUP stars Luca Buoninfante, Gaetano Lambiase, Giuseppe Gaetano Luciano, Luciano Petruzziello arXiv:2001.05825

2019

Effective Field Theory of Anisotropic Inflation and Beyond Jinn-Ouk Gong, Toshifumi Noumi, Gary Shiu, Jiro Soda, Kazufumi Takahashi, Masahide Yamaguchi arXiv:1910.11533
A more attractive scheme for radion stabilization and supercooled phase transition Kohei Fujikura, Yuichiro Nakai, Masaki Yamada arXiv:1910.07546
Vacuum decays around spinning black holes Naritaka Oshita, Kazushige Ueda, Masahide Yamaguchi arXiv:1909.01378
Redshift space distortions in the presence of non-minimally coupled dark matter Fabio Chibana, Rampei Kimura, Masahide Yamaguchi, Daisuke Yamauchi, Shuichiro Yokoyama arXiv:1908.07173
Generalization of Photon Sphere by Causal Structure--- In Order to See Dynamical Black Hole Shadow Masaru Siino arXiv:1908.02921
Invertible field transformations with derivatives: necessary and sufficient conditions Eugeny Babichev, Keisuke Izumi, Norihiro Tanahashi, Masahide Yamaguchi arXiv:1907.12333
Scalar-metric-affine theories: Can we get ghost-free theories from symmetry? Katsuki Aoki, Keigo Shimada arXiv:1904.10175
Primordial Tensor Perturbation in Double Inflationary Scenario with a Break Shi Pi, Misao Sasaki, Ying-li Zhang arXiv:1904.06304
Large mass hierarchy from a small nonminimal coupling Christophe Ringeval, Teruaki Suyama, Masahide Yamaguchi arXiv:1903.03544