The 14th International Conference on Gravitation, Astrophysics and Cosmology (ICGAC14)

17 – 21 August 2020, National Central University, Jhongli, Taiwan

EProceedings

Day 1: 17 August (Monday)

Section 1 : [video]

  • Michael Landry – “Colliding black holes and neutron stars: latest results from LIGO and Virgo” [slides]
  • Nobuyuki Kanda – “Status of KAGRA” [slides]
  • Wei-Tou Ni – “Gravitational Wave Detection in Space: the Present Outlook” [slides]

Section 2 : [video]

  • Ziren Luo – “A brief introduction to Taiji and Taiji-1 satellite”
  • Yi-Ming Hu – “Science with the TianQin observatory”
  • Eduard Larranaga – “Waveform produced by a particle coupled with a scalar field plunging into a static spherically symmetric black hole” [slides]

Section 3 : [video]

  • Kei-ichi Maeda – “Hierarchical Triplet System and Gravitational Waves” [slides]
  • Hayato Motohashi – “Primordial black holes from canonical single field inflation” [slides]
  • Xian Gao – “Propagation of the gravitational waves in a cosmological background” [slides]

Section 4 : [video]

  • Chan Park – “Observations of Gravitational Waves by Gauge-Invariant Measures of Light”
  • Shaoqi Hou – “Gravitational memory effects and Bondi-Metzner-Sachs symmetries in scalar-tensor theories” [slides]
  • Dong-Hoon Kim – “Light Perturbed by Gravitational Waves”

Section 5 : [video]

  • Shi Pi – “An analytical formula for induced gravitational waves with a finite-width peak”
  • Cosimo Bambi – “Testing general relativity with black holes using X-ray observations” [slides]
  • Ignazio Ciufolini – “Tests of General Relativity and frame-dragging using the LARES and LARES 2 satellites”

Day 2 : 18 August (Tuesday)

Section 1 : [video]

  • Ling Jun Wang – “Unification of Gravitational and Electromagnetic Fields” [slides]
  • David Kubiznak – “Is there a Gauss-Bonnet gravity in four dimensions?” [slides]
  • Bogeun Gwak – “Kerr-Sen Black Hole and Weak Cosmic Censorship Conjecture”

Section 2 : [video]

  • Dong-han Yeom – “Before the Page time: maximum entanglements or the return of the monster?” [slides]
  • Shih-Yuin Lin – “A nearly black star may look like a 2D membrane” [slides]
  • Shinji Mukohyama – “Black holes in scalar-tensor theory” [slides]

Section 3 : [video]

  • Nobuyuki Sakai – “Exotic Gravitating Objects” [slides]
  • Shoichi Kawamoto – “Charged rotating BTZ black holes in noncommutative space and torsion gravity” [slides]
  • Michael Good – “Radiation from an inertial mirror horizon”

Section 4 : [video]

  • Che-Yu Chen – “Regular black hole interior spacetime supported by three-form field” [slides]
  • Keiko Nagao – “Directional direct detection of light dark matter” [slides]
  • Naoya Kitajima – “Primordial Black Holes from QCD Axion Bubbles”

Section 5 : [video]

  • Tetsutaro Higaki – “Note on a solution to domain wall problem with the Lazarides-Shafi mechanism in axion dark matter models” [slides]
  • Sungwook E Hong – “Revealing the Local Cosmic Web by Deep Learning” [slides]

Day 3 : 19 August (Wednesday)

Section 1 : [video]

  • Vesselin Gueorguiev – “The Scale Invariant Vacuum Theory as viable Cosmology Model” [slides]
  • Angel Rincon – “Scale-dependent black holes” [slides]
  • *Yun Hao – “Motions of Light Rays and Galaxies in Cosmic Scales with the Cosmological Principle”
  • *Yusuke Mikura – “Conformal inflation in the metric-affine geometry”

Section 2 : [video]

  • *Qi Li – “The Effective Potential Originating from Swampland and the Nontrivial Brans-Dicke Coupling”
  • *Keisuke Nakashi – “Observability of the innermost stable circular orbit in a near-extremal Kerr black hole” [slides]
  • *Yasutaka Koga – “Photon surfaces as pure tension shells: Uniqueness of thin shell wormholes” [slides]
  • *Colin MacLaurin – “3-Volumes of a black hole” [slides]
  • *Yawar Hussain Khan – “Culetu regular black hole with asymptotically Minkowski core, its remnants and stability” [slides]

Section 3 : [video]

  • Muhammad Sharif – “Effects of Charge on Gravastars in Modified Theory of Gravitation”
  • James Nester – “Quasi-local gravitational energy” [slides]
  • Sinya Aoki – “Local energy density and conserved energy in general relativity” [slides]

Section 4 : [video]

  • Dmitry Gal’tsov – “Successive dualities, NEC violation and singularities” [slides]
  • Sebastian Bahamonde – “Solar System Tests in Modified Teleparallel Gravity”
  • Konstantinos Dialektopoulos – “Can Horndeski gravity be recast in the Teleparallel framework?”

Section 5 : [video]

  • Takafumi Kokubu – “High energy collision without fine tuning: Acceleration and multiple collisions of shells in a bound system” [slides]
  • Pradyumn Sahoo – “A non-singular bounce in f(R,T) gravitation” [slides]
  • Jackson Levi Said – “Teleparallel Extensions to Cosmological Models” [slides]

Day 4 : 20 August (Thursday)

Section 1 : [video]

  • Jong-Ping Hsu – “Correlations of Hubble’s Law and the Future of the Universe Based on the Strong Cosmological Principle and Yang-Mills Gravity” [slides]
  • Nikodem Poplawski – “Big Bounce and inflation from spin and torsion” [slides]
  • Sujoy Modak – “New geometric and field theoretic aspects of radiation dominated early universe” [slides]

Section 2 : [video]

  • Naritaka Oshita – “Hawking-Moss transition catalyzed by a black hole”
  • Yuichiro Tada – “Manifestly covariant theory of stochastic inflation” [slides]
  • Shun-Pei Miao – “Fine Tuning Problems with Cosmological Coleman-Weinberg Potentials” [slides]

Section 3 : [video]

  • Xun Xue – “Spatial Curvature and Large Scale Lorentz Violation”
  • Chopin Soo – “Cosmic time and reduced phase space of General Relativity” [slides]
  • Hoi Lai Yu – “Intrinsic Time Quantum Gravity” [slides]

Section 4 : [video]

  • *Hsu-Wen Chiang – “Generic 3-species model for unitary black hole evolution”
  • *Yu-Hsien Kung – “Modification to the Hawking temperature of a dynamical black hole by a flow-induced supertranslation”
  • *Igor Bogush – “Kaluza-Klein dyons: regular and singular” [slides]
  • *Sung Mook Lee – “Primordial Black Holes in Higgs-R^2 Inflation as a Whole Dark Matter”
  • *Joseph Gais – “Echoes of the Gravitational Atom: A Novel Probe of the Scalar Ultralight Boson”
  • *Mark Ho-Yeuk Cheung – “Ringdown Spectroscopy of Rotating Black Holes Pierced by Cosmic Strings” [slides]

Section 5 : [video]

  • *Alberto Mangiagli – “Merger rate of stellar black hole binaries above the pair-instability mass gap” [slides]
  • *Zhi-Bang Yao – “Spatially covariant gravity theories with two tensorial degrees of freedom” [slides]
  • *Shota Yanai – “Compact, charged boson-stars, -shells in the CP^N gravitating nonlinear sigma model”
  • *Hrishikesh Chakrabarty – “Black hole bounce and birth of a baby universe” [slides]
  • *Jinzhao Wang – “Outer entropy = Bartnik-Bray quasilocal mass” [slides]
  • *Yiyi Zhu – “The Role of Non-Relativistic Neutrinos in Dark Matter”

Day5 : 21 August (Friday)

Section 1 : [video]

  • Marcelo Rubio – “A numerical scheme for solving the relativistic dissipative fluid equations”
  • Mitsutoshi Fujita – “Kibble-Zurek Scaling in a Holographic p-wave Superconductor” [slides]
  • Robert Mann – “Holographic Complexity and Thermodynamic Volume” [slides]

Section 2 : [video]

  • Jia-Rui Sun – “On the emergence of gravitational dynamics from tensor networks”
  • Vishnu Rajagopal – “Kappa deformed oscillator algebra and Unruh effect”
  • Chiranjeeb Singha – “Hamiltonian-based derivation of the Hawking effect” [slides]

Section 3 : [video]

  • Homa Shababi – “The Minimal Length Uncertainty and the Tsallis statistical mechanics” [slides]
  • Hiroyuki Takata – “Fronsdal like Lagrangian for continuous spin by BRST method” [slides]
  • Michael Ivanov – “Different expectations about quantum gravity” [slides]

Section 4 : [video]

  • Sung-Won Kim – “Creation and Annihilation of Wormhole in Matter-Dark Energy Universe”
  • Gregory Vereshchagin – “Diffusive photospheres and thermal emission in early afterglows of gamma-ray bursts” [slides]
  • Xiaoyi Xie – “Instabilities in neutron-star post-merger remnants” [slides]

Section 5 : [video]

  • Sousuke Noda – “Blandford-Znajek process as Alfvenic superradiance”
  • Yun-Long Zhang – “Gravitational Waves and Possible Fast Radio Bursts from Axion Clumps” [slides]
  • Remo Ruffini – “The geodesic motion of S2 and G2 as a test of the fermionic dark matter nature of our galactic core” [slides]