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International Symposium on Cosmology and Particle Astrophysics: CosPA 2023

from Friday, 10 November 2023 (09:00) to Monday, 13 November 2023 (17:00)
Hong Kong (Henry Cheng International Conference Center, The Chinese University of Hong Kong)

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