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International Symposium on Cosmology and Particle Astrophysics: CosPA 2023
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Asia/Hong_Kong
Henry Cheng International Conference Center, The Chinese University of Hong Kong (Hong Kong)
Henry Cheng International Conference Center, The Chinese University of Hong Kong
Hong Kong
Ming Chung Chu
(The Chinese University of Hong Kong (HK))
Description
The International Symposium on Cosmology and Particle Astrophysics is a series of conferences organized in Asia Pacific region annually as an activity of Asia Pacific Organization of Cosmology and Particle Astrophysics (APCosPA).
COSPA 2023 is hosted by Institute of Theoretical Physics, The Chinese University of Hong Kong, and sponsored by The Croucher Foundation and Faculty of Science, The Chinese University of Hong Kong, and Asia Pacific Center for Theoretical Physics.
Ming-chung Chu
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09:00
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11:10
Plenary 1: LT1AConvener: Prof. Sang Pyo Kim (Kunsan Nat. U.)
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09:00
Welcome to CosPA 2023 5mSpeaker: Prof. Sang Pyo Kim (Kunsan Nat. U.)
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09:05
Welcome to CUHK 5mSpeaker: Prof. Alan Chan (Chinese U. of HK)
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09:10
Searching for the Milky Way's Extreme Particle Accelerators 30mSpeaker: Prof. Gavin Rowell (U. of Adelaide)
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10:10
The KAGRA Project - Status and Plans 30mSpeaker: Prof. Takaaki Kajita (ICRR, U. of Tokyo)
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10:40
TinQin: the Chinese Mission to Detect Gravitational Waves in Space 30mSpeaker: Prof. Jun Luo (Sun Yat-Sen U.)
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09:00
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Coffee Break 20m
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12:40
Parallel 1A: Astrophysics I LT1BConvener: Prof. Otto Hannuksela (Chinese U. of HK)
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11:30
Late Growth of Brightest Cluster Galaxies Through ICM Cooling Induced Star Formation 20mSpeaker: Arsen Levitskiy (U. of Hong Kong)
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11:50
A Model Independent Method for Identifying Dark Matter Substructures: Violation of Geometrical Duality in Strong Gravitational Lensing 20mSpeaker: Leo Wing Hong Fung (HKUST)
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12:10
Tracing the Energetic Outflows from Galactic Nuclei: Observational Evidence for a Large-scale Bipolar Radio and X-ray-emitting Bubble-like Structure in M106 20mSpeaker: Yuxuan Zeng (U. of Hong Kong)
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11:30
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12:40
Parallel 1B: Gravity I: Parallel 1B: Gravity I LT1AConvener: Prof. Tjonnie Li (Chinese U. of HK/)
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11:30
Polarization Modes of Gravitational Waves in Generalized Proca Theory 20mSpeaker: Yu-Qi Dong (Lanzhou U.)
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11:50
Growth of Curvature Perturbations in Non-minimal Curvaton Scenario Revisited 20mSpeaker: Chao Chen (HKUST)
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12:10
Geodesic Tracking the Gravitational Collapse and Migration of Boson Star 20mSpeaker: Yu-Peng Zhang (Lanzhou U.)
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11:30
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12:40
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13:30
Lunch 50m
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13:30
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15:30
Plenary 2: LT1AConvener: Prof. Bin Wang (Shanghai Jiao Tong U./Yangzhou U.)
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13:30
GRB-SN Association within the Binary-Driven Hypernova Model 30mSpeaker: Prof. Remo Ruffini (U. of Rome)
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14:00
Picard-Lefschetz Interpretation of Cosmic Lensing and Beyond 30mSpeaker: Prof. Ue-Li Pen (Academia Sinica)
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14:30
Hyper-Kamiokande: Physics Goals and Status of Construction 30mSpeaker: Prof. Shigetaka Moriyama (ICRR, U. of Tokyo)
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15:00
Neutrinos in Astrophysical Explosions 30mSpeaker: Prof. Meng-Ru Wu (Academia Sinica)
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13:30
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Coffee break 30m
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16:00
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Parallel 2A: Dark Matter I LT1BConvener: Prof. Kaixuan Ni (UC San Diego)
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16:00
Accelerated Light Dark Matter-Earth Inelastic Scattering in Direct Detection 20mSpeaker: Liangliang Su (Nanjing Normal U.)
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16:20
Neutrinos from the Sun can discover dark matter-electron scattering 20mSpeaker: Ranjan Laha (Indian Inst. of Sci.)
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16:40
Dark Photon-Photon Tridents from the Accumulated Dark Matter inside Compact Objects 20mSpeaker: Tran Quang Thong Nguyen (Stockholm U.)
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17:20
Parallel 2B: Gravity II LT1AConvener: Prof. Kenny Ng (Chinese U. of HK)
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16:00
Testing Black Hole Eikonal Correspondence 20mSpeaker: Che-Yu Chen (iTHEMS, RIKEN)
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16:20
Thermodynamics and Kinetics of the Black Hole Phase Transitions 20mSpeaker: Jin Wang (Stony Brook U.)
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16:40
Quasinormal Modes and Greybody Factor of a Lorentz-violating Black Hole 20mSpeaker: Wen-Di Guo (Lanzhou U.)
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17:00
Bulk Reconstruction from the Surface Growth Approach 20mSpeaker: Jia-Rui Sun (Sun Yat-Sen U.)
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16:00
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Plenary 3: LT1AConvener: Prof. Kin-Wang Ng (Academia Sinica)
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09:00
Evidence for the Nanohertz Gravitational Wave Background 30mSpeaker: Prof. Maura McLaughlin (West Virginia U.)
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09:30
Progress of Chinese Pulsar Timing Array (by zoom) 30mSpeaker: Prof. Kejia Lee (Peking U.)
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10:00
Promise of Persistent Multi-Messenger nano-Hz GW Astronomy 30mSpeaker: Prof. Achamveedu Gopakumar (Tata Inst. of Fund. Res.)
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10:30
Testing Gravity Using Inter-pulsar Correlation Measurements 30mSpeaker: Dr Reggie Bernardo (Academia Sinica)
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09:00
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11:20
Coffee Break 20m
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Parallel Session 3A: Cosmology I LT1AConvener: Prof. Jane Dai (U. of Hong Kong)
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11:20
Non-Gaussianities from Heavy Particles with Time-dependent Mass 20mSpeaker: Dr Fumiya Sano (Tokyo Inst. of Tech./IBS)
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11:40
Weak-scale Leptogenesis in a Radiative Seesaw Model 20mSpeaker: Dr Osamu Seto (Hokkaido U.)
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12:00
Dynamics of confinement: slingshot mechanism and gravitation waves 20mSpeaker: Dr Michael Zantedeschi (TD Lee Inst./Shanghai Jiao Tong U.)
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12:20
Is Cosmic Birefringence Model-dependent? 20mSpeaker: Dr Lu Yin (APCTP)
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11:20
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11:20
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12:40
Parallel Session 3B: Astrophysics II Rm. 202Convener: Prof. Jeremy Lim (U. of Hong Kong)
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11:20
Mapping the Interstellar Medium of the Milky Way and Nearby Galaxies 20mSpeaker: Prof. Renbin Yan (Chinese U. of HK)
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11:40
Evidence of Supernova Remnant W51C Accelerating Cosmic Rays to Sub-PeV Energies Unveiled by LHAASO 20mSpeaker: Dr Zhe Li (Inst. of High Energy Phy.)
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12:00
Caution: Photometric Redshift Catalogs in Lensing Fields Confronts Severe Contamination 20mSpeaker: Dr Jiashuo Zhang (U. of Hong Kong)
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12:20
A Lens Finder Map to check claimed High-z Galaxies behind SMACS J0723.3–7327 20mSpeaker: Alex Chow (U. of Hong Kong)
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11:20
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Lunch 50m
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Plenary 4: LT1AConvener: Prof. Raymond Volkas (U. of Melbourne)
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13:30
Electroweakly (EW) charged WIMP 30mSpeaker: Prof. Shigeki Matsumoto (IPMU/U. of Tokyo)
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14:00
Light and Ultra-light Axion Dark Matter 30mSpeaker: Prof. Lam Hui (Columbia U.)
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15:00
Uncovering the Microscopic Features of Axion with Low Energy Observables 30mSpeaker: Prof. Kiwoon Choi (CTPU/IBS)
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13:30
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16:00
Coffee Break 30m
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16:00
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17:20
Parallel Session 4A: Dark Matter II LT1AConvener: Prof. Shigeki Matsumoto (IPMU/U. of Tokyo)
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16:00
Pulsar Timing Residuals Induced by Wideband Ultralight Dark Matter 20mSpeaker: Yun-Long Zhang (Nat. Astro. Obs. China)
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16:20
Updated Constraints and Future Prospects on Majoron Dark Matter 20mSpeaker: Michiru Niibo (Ochanomizu U.)
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16:40
Detection of Ultra-Light Dark Matter with Stimulated Annihilation 20mSpeaker: Lei Wu (Nanjing Normal U.)
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17:00
Constraining Particle Dark Matter with eROSITA Early Data 20mSpeaker: Chi Ngam Fong (Chinese U. of HK)
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Parallel Session 4B: Gravity III Rm. 202Convener: Prof. Yen-chin Ong (Yangzhou U)
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Force-Free Electrodynamics and Black Hole Magnetospheres 20mSpeaker: Govind Menon (Troy U.)
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16:20
Detecting High-Frequency Gravitational Waves in Planetary Magnetosphere 20mSpeaker: Chen Zhang (HKUST)
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16:40
Termination of Superradiance from a Binary Companion 20mSpeaker: Huiyu Zhu (HKUST)
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17:00
Quantum Gravity Induced Entanglement of Masses in Curved Spacetimes 20mSpeaker: Fu-Wen Shu (Nanchang University)
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Plenary 5: LT1AConvener: Prof. Kiwoon Choi (CTPU/IBS)
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21cm Intensity Mapping: A New Window to Probe DE 30mSpeaker: Prof. Bin Wang (Shanghai Jiao Tong U./Yangzhou U.)
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09:30
Primordial Black Holes and Stochastic Gravitational Waves 30mSpeaker: Prof. Rong-Gen Cai (ITP, CAS / Ningbo Univ.)
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10:00
Simulating Cosmic Structure Formation 30mSpeaker: Prof. Naoki Yoshida (IPMU/U. of Tokyo)
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10:30
CMB Constraints on New Physics 30mSpeaker: Prof. Yvonne Wong (U. of New South Wales)
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Coffee Break 20m
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Parallel Session 5A: Cosmology II LT1AConvener: Prof. Yvonne Wong (U. of New South Wales)
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How did Galaxy Clusters Reach Their Observed Physical States? 20mSpeaker: Prof. Jeremy Lim (U. of Hong Kong)
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11:40
Cosmological Gravitational Test by RSD and kSZ Effect 20mSpeaker: Yi Zheng (Sun Yat-sen U.)
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12:00
Cosmological Correlators Through the Looking Glass 20mSpeaker: Yuhang Zhu (IBS)
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12:20
Cosmological Measurement of Neutrino Properties 20mSpeaker: Wangzheng Zhang (Chinese U. of HK)
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Parallel Session 5B: Dark Matter III LT1BConvener: Prof. Henry Wong (Academia Sinica)
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The Impact of Baryonic Potentials on the Evolution of Self-interacting Dark Matter Halos 20mSpeaker: Prof. Yiming Zhong (City U. of HK)
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11:40
The Sensitivity Floor for Primordial Black Holes Neutrino Searches 20mSpeaker: Qishan Liu (Chinese U. of HK)
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12:00
Lighting up Dark Matter with Gravitational Lensing 20mSpeaker: Amruth Alfred (U. of Hong Kong)
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12:20
A Dark Matter Probe in Accreting Pulsar-Black Hole Binaries 20mSpeaker: Qianhang Ding (IBS)
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Lunch 50m
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Plenary Session 6: LT1AConvener: Prof. Rong-Gen Cai (ITP, CAS / Ningbo Univ.)
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13:30
The Road Towards the Ultimate WIMP Dark Matter Direct Detection 30mSpeaker: Prof. Kaixuan Ni (UCSD)
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14:00
Flavours of Dark Matter 30mSpeaker: Prof. Raymond Volkas (U. of Melbourne)
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14:30
Status of AMoRE Project 30mSpeaker: Prof. Yeongduk Kim (CUP/IBS)
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13:30
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Coffee Break 30m
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16:50
Parallel Session 6A: Cosmology III LT1AConvener: Prof. Naoki Yoshida (IPMU/U. of Tokyo)
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15:30
Growth of Curvature Perturbations in Non-minimal Curvaton Scenario Revisited 20mSpeaker: Chao Chen (HKUST)
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15:50
On the Uniqueness of ΛCDM-like Evolution for Homogeneous and Isotropic Cosmology in General Relativity 20mSpeaker: Daniele Gregoris (Jiangsu Univ. of Sci. & Tech)
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16:10
Numerical Investigation of Two-Dimensional Fokker-Planck Equation in Inflationary Models: Importance of Slow-Roll Parameters 20mSpeaker: Jie Jiang (Pusan Nat. U.)
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16:30
Odd-parity Perturbations in the Most General Scalar-vector-tensor Theory 20mSpeaker: Manuel González-Espinoza (Playa Ancha U.)
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Parallel Session 6B: Dark Matter IV LT1BConvener: Prof. Yiming Zhong (City U. of HK)
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15:30
Primordial Black Holes, Dark Matter, and Gravitational Waves from QCD axion and axion-like particles 20mSpeaker: Shuailiang Ge (Peking U.)
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15:50
Lyman-α Constraints on the Primordial Black Hole Dark Matter 20mSpeaker: Priyank Parashari (Indian Inst. of Sci.)
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16:10
Constraining Abundance of Primordial Blackholes in Dark Matter via Transients Comprising Lensed Star Clusters 20mSpeaker: Sung Kei Li (U. of Hong Kong)
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16:30
The Interplay of Primordial Black Holes, Dark Matter, and Axions 20mSpeaker: Luca Visinelli (Shanghai Jiao Tong U.)
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18:30
Poster Session: (Rm. 203)
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11:00
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Plenary Session 7: LT1AConvener: Prof. Sang Pyo Kim (Kunsan Nat. U.)
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Direct Imaging of Supermassive Black Holes 30mSpeaker: Prof. Paul Ho (Academia Sinica)
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09:30
Black Holes, Maximum Force, and Related Conjectures in General Relativity 30mSpeaker: Prof. Yen-Chin Ong (Yangzhou U)
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10:00
Quantum Tunneling in Curved Spacetime 30mSpeaker: Prof. Masahide Yamaguchi (CTPU/IBS)
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11:00
Coffee Break 30m
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12:20
Parallel 7A: Cosmology III LT1AConvener: Prof. Tsang Keung Chan (Chinese U. of HK)
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11:00
Have Pulsar Timing Array Methods Detected a Cosmological Phase Transition? 20mSpeaker: Antonino Marciano (Fudan U.)
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11:20
Primordial Perturbations from Ultra-slow-roll Single-field Inflation with Quantum Loop Effects 20mSpeaker: Prof. Kin-Wang Ng (Academia Sinica)
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11:40
Higgs Inflation with a Gauss-Bonnet Term in the Einstein Frame 20mSpeaker: Gansukh Tumurtushaa (Jeju Nat. U.)
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12:00
Cosmological and Astrophysical Implications of the Stochastic Ricci Flow 20mSpeaker: Prof. Matteo Lulli (Southern U. of Sci. and Tech.)
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12:20
Parallel Session 7B: Astrophysics III LT1BConvener: Prof. Paul Ho (Academia Sinica)
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11:00
On Graviton-photon Conversions in Magnetic Environments 20mSpeaker: Jai-chan Hwang (IBS)
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11:20
Distinguishing Dirac and Majorana Neutrinos Using Temporal Correlation 20mSpeaker: Bhavya Soni (IIT Jodhpur)
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11:40
Properties of the Brightest Multiply-Lensed Lyman-α Sources in Cluster Fields 20mSpeaker: James Nianias (U. of Hong Kong)
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12:00
Can a Star be Smaller Than the Black Hole of the Same Mass? 20mSpeaker: Shoulong Li (Hunan Normal U.)
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11:00
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Lunch 1h 10m
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Plenary Session 8: LT1AConvener: Prof. Bin Wang (Shanghai Jiao Tong U./Yangzhou U.)
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13:30
Thermodynamics of Apparent Gauss Bonnet Cosmology and Multivalued Hamiltonian Issues 30mSpeaker: Prof. Joel Francisco Saavedra Alvear (Pontifical Catholic Univ. of Valparaíso)
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14:00
Cosmological Magnetic Fields (by zoom) 30mSpeaker: Prof. Tanmay Vachaspati (Arizona State U./CERN)
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Cosmological Galaxy Simulations 30mSpeaker: Prof. Tsang Keung Chan (Chinese U. of HK)
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15:00
Schwinger Effect in Magnetized Black Holes and KN Black Holes 30mSpeaker: Prof. Sang Pyo Kim (Kunsan Nat. U.)
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