Publications (56)
Detectability of avoided crossings in black hole ringdowns
Hayato Imafuku, Naritaka Oshita, Hiroki Takeda
Probing Direct Waves in Black Hole Ringdowns
Naritaka Oshita, Sizheng Ma, Yanbei Chen +1
Spectral instability of parametrized black hole quasinormal modes in the high-overtone limit via the exact WKB analysis
Taiga Miyachi, Ryo Namba, Hidetoshi Omiya +1
Quantum Black Hole Seismology II: Applications to Astrophysical Black Holes
Naritaka Oshita, Daichi Tsuna, Niayesh Afshordi
Probing microstructure of black hole spacetimes with gravitational wave echoes
Naritaka Oshita, Niayesh Afshordi
Hawking-Moss transition with a black hole seed
Ruth Gregory, Ian G Moss, Naritaka Oshita +1
Slowly decaying ringdown of a rapidly spinning black hole II: Inferring the masses and spins of supermassive black holes with LISA
Daiki Watarai, Naritaka Oshita, Daichi Tsuna
On catalyzed vacuum decay around a radiating black hole and the crisis of the electroweak vacuum
Takumi Hayashi, Kohei Kamada, Naritaka Oshita +1
Quantum radiation produced by a uniformly accelerating charged particle in thermal random motion
Naritaka Oshita, Kazuhiro Yamamoto, Sen Zhang
Black hole spectroscopy: from theory to experiment
Emanuele Berti, Vitor Cardoso, Gregorio Carullo +65
Quantum radiation from a particle in an accelerated motion coupled to vacuum fluctuations
Naritaka Oshita, Kazuhiro Yamamoto, Sen Zhang
Polychronic Tunneling: New Tunneling Processes Experiencing Euclidean and Lorentzian Evolution Simultaneously
Naritaka Oshita, Yutaro Shoji, Masahide Yamaguchi
From Entropy to Echoes: Counting the quasi-normal modes and the quantum limit of silence
Naritaka Oshita, Niayesh Afshordi
Black Holes, Oscillating Instantons, and the Hawking-Moss transition
Ruth Gregory, Ian G. Moss, Naritaka Oshita
Greybody Factors Imprinted on Black Hole Ringdowns: an alternative to superposed quasi-normal modes
Naritaka Oshita
Role of spacetime boundaries in Einstein's other gravity
Naritaka Oshita, Yi-Peng Wu
Excitation region of Kerr black hole quasinormal modes from Stokes geometry
Naritaka Oshita
Creation of an inflationary universe out of a black hole
Naritaka Oshita, Jun'ichi Yokoyama
Evaporation of Echoing Black Holes
Naritaka Oshita, Hayato Motohashi, Sousuke Noda
(In)stability of the black hole greybody factors and ringdowns against a small-bump correction
Naritaka Oshita, Kazufumi Takahashi, Shinji Mukohyama
Small-mass naked singularities censored by the Higgs field
Naritaka Oshita
Resolution to the firewall paradox: The black hole information paradox and highly squeezed interior quantum fluctuations
Naritaka Oshita
Vacuum decay in the Lorentzian path integral
Takumi Hayashi, Kohei Kamada, Naritaka Oshita +1
Slowly Decaying Ringdown of a Rapidly Spinning Black Hole: Probing the No-Hair Theorem by Small Mass-Ratio Mergers with LISA
Naritaka Oshita, Daichi Tsuna
Thermal Ringdown of a Kerr Black Hole: Overtone Excitation, Fermi-Dirac Statistics and Greybody Factor
Naritaka Oshita
On Reflectivity of Quantum Black Hole Horizons
Naritaka Oshita, Qingwen Wang, Niayesh Afshordi
Black holes, multiple propagation speeds, and energy extraction
Vitor Cardoso, Shinji Mukohyama, Naritaka Oshita +1
Quantum Black Holes in the Sky
Jahed Abedi, Niayesh Afshordi, Naritaka Oshita +1
Vacuum decays around spinning black holes
Naritaka Oshita, Kazushige Ueda, Masahide Yamaguchi
Compact objects as the catalysts for vacuum decays
Naritaka Oshita, Masaki Yamada, Masahide Yamaguchi
Quantum Black Hole Seismology I: Echoes, Ergospheres, and Spectra
Naritaka Oshita, Daichi Tsuna, Niayesh Afshordi
The generalized second law of thermodynamics and cosmological decoherence
Naritaka Oshita
Entropic interpretation of the Hawking-Moss bounce
Naritaka Oshita, Jun'ichi Yokoyama
Thermal property in Brownian motion of a particle coupled to vacuum fluctuations
Naritaka Oshita, Kazuhiro Yamamoto, Sen Zhang
Quasinormal Modes from EFT of Black Hole Perturbations in Vector-Tensor Gravity
Shogo Tomizuka, Hajime Kobayashi, Naritaka Oshita +2
Overtones and Nonlinearities in Binary Black Hole Ringdowns
Matthew Giesler, Sizheng Ma, Keefe Mitman +11
Black hole evaporation in de Sitter space
Ruth Gregory, Ian G. Moss, Naritaka Oshita +1
dS${}_4$ universe emergent from Kerr-AdS${}_5$ spacetime: bubble nucleation catalyzed by a black hole
Issei Koga, Naritaka Oshita, Kazushige Ueda
Scalar Quasi-Normal Modes of a Loop Quantum Black Hole
Etera R. Livine, Clara Montagnon, Naritaka Oshita +1
Lifshitz scaling, ringing black holes, and superradiance
Naritaka Oshita, Niayesh Afshordi, Shinji Mukohyama
Parametrized Tidal Dissipation Numbers of Non-rotating Black Holes
Hajime Kobayashi, Shinji Mukohyama, Naritaka Oshita +2
Echoes from Quantum Black Holes
Qingwen Wang, Naritaka Oshita, Niayesh Afshordi
Dynamical Tidal Response of Non-rotating Black Holes: Connecting the MST Formalism and Worldline EFT
Hajime Kobayashi, Shinji Mukohyama, Naritaka Oshita +2
Waveform Modelling for the Laser Interferometer Space Antenna
LISA Consortium Waveform Working Group, Niayesh Afshordi, Sarp Akçay +144
Greybody Factors Imprinted on Black Hole Ringdowns. II. Merging Binary Black Holes
Kazumasa Okabayashi, Naritaka Oshita
Quantum radiation produced by the entanglement of quantum fields
Satoshi Iso, Naritaka Oshita, Rumi Tatsukawa +2
Is the Coleman de Luccia action minimum?: AdS/CFT approach
Naritaka Oshita, Yutaro Shoji, Masahide Yamaguchi
Global study of the scalar quasi-normal modes of Kerr-AdS${}_5$ black holes: Stability, thermality, and horizon area quantization
Issei Koga, Naritaka Oshita, Kazushige Ueda
Reconstruction of ringdown with excitation factors
Naritaka Oshita, Vitor Cardoso
On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors
Naritaka Oshita
Path to an exact WKB analysis of black hole quasinormal modes
Taiga Miyachi, Ryo Namba, Hidetoshi Omiya +1
Unstable chords and destructive resonant excitation of black hole quasinormal modes
Naritaka Oshita, Emanuele Berti, Vitor Cardoso
Tidal Love Numbers from EFT of Black Hole Perturbations with Timelike Scalar Profile
Chams Gharib Ali Barura, Hajime Kobayashi, Shinji Mukohyama +3
Unruh radiation produced by a uniformly accelerating charged particle in thermal random motions
Naritaka Oshita, Kazuhiro Yamamoto, Sen Zhang
Exceptional Lines and Excitation of (Nearly) Double-Pole Quasinormal Modes: A Semi-Analytic Study in the Nariai Black Hole
Nao Nakamoto, Naritaka Oshita
Remote Hawking-Moss instanton and the Lorentzian path integral
Daiki Saito, Naritaka Oshita