The 2nd Workshop on Grand Unified Theories: Phenomenology and Cosmology (GUTPC 2025) (17-22 April 2025)

The 2nd Workshop on Grand Unified Theories: Phenomenology and Cosmology (GUTPC 2025)

from Thursday, 17 April 2025 (12:00)to Tuesday, 22 April 2025 (14:00)

Monday, 14 April 2025
Tuesday, 15 April 2025
Wednesday, 16 April 2025
Thursday, 17 April 2025

14:00

14:00 - 18:00
Friday, 18 April 2025

08:30

08:30 - 09:30
09:30 Session 1
Session 1
09:30 - 11:30
Contributions

09:30 Small Instantons and the Post-Inflationary QCD Axion in a Special Product GUT-Yuichiro Nakai(Shanghai Jiao Tong University)

10:00 E6-Borut Bajc(J. Stefan Institute)

10:30 A simple and safe way to break PQ at the GUT scale-Andrew Cheek(TDLI, SJTU)

11:00 Unification of Particles and Symmetries in An Affine SU(8) Lie Algebra-宁/Ning 陈/Chen(Nankai University)
11:30

11:30 - 12:00

12:00

12:00 - 13:30
13:30 Session 2
Session 2
13:30 - 15:30
Contributions

13:30 Understanding the SM gauge group from SMEFT-Hao-Lin Li(Zhongshan University)

14:00 Testing Frogatt-Nielsen flavour models with gravitational waves-Lorenzo Calibbi(Nankai University)

14:30 Enhancing Phase Transition Calculations through Polynomial Fitting and Neural Network Approximation-Yang Zhang(Henan Normal University)

15:00 Detecting Gravitational Waves from Cosmic Phase Transitions-Huaike Guo(UCAS (ICTP-AP))
15:30

15:30 - 16:00
16:00
16:00 - 17:30
Contributions

16:00 50th Anniversary of SO(10) GUT; Moderator: Zhi-zhong Xing; Panelists: John Ellis, Steve King, Tian-Jun Li, Ray Volkas, Zhi-Wei Wang
17:45 Reception
Reception
17:45 - 19:45
Saturday, 19 April 2025
09:00 Session 3
Session 3
09:00 - 10:30
Contributions

09:00 Flavoured GUTs-Ivo de Medeiros Varzielas(CFTP, IST)

09:30 Yukawa textures from selection rules without group actions-Hajime Otsuka

10:00 High-quality Peccei-Quinn symmetry from the interplay of vertical and horizontal gauge symmetries-Giacomo Landini(CSIC-IFIC)
10:30

10:30 - 10:40

10:40

10:40 - 11:00
11:00 Session 4
Session 4
11:00 - 12:00
Contributions

11:00 Degeneracy Enhancement of Neutron-Antineutron Oscillation in Neutron Star-Shao-Feng Ge(SJTU)

11:30 Appeal and challenges of natural SUSY GUT (with spontaneous SUSY breaking)-Nobuhiro MAEKAWA(KMI, Nagoya Univ.)
12:00

12:00 - 13:30
13:30 Session 5
Session 5
13:30 - 15:20
Contributions

13:30 Consequencies of phase transitions happened during inflation-Haipeng An(Tsinghua University)

14:00 Kahler moduli inflation in large volume compactifications-Georgios Leontaris(Ioannnia U)

14:30 A model builder's guide to cosmological collider physics-Zhong-Zhi Xianyu(Tsinghua University)

15:00 Gravitational Waves of GUT Phase Transition during Inflation-Xi-He Hu(HIAS, UCAS)
15:20

15:20 - 15:40
15:40 Session 6
Session 6
15:40 - 17:00
Contributions

15:40 Asymptotic unification  in supersymmetric E6 theory-Roman Pasechnik(University of Lund)

16:10 Boundary breaking of multiple modular flavor symmetry, SUSY mu-problem and modulus stabilization mechanism in modular flavor GUT models-Fei Wang(Department of Physics, ZhengZhou University)

16:40 Asymptotic grand unification in SO(10) with one extra dimension-Gao-Xiang Fang(HIAS)
17:15 Banquet
Banquet
17:15 - 20:15
Contributions

17:15 Caixun Yuanzi Restaurant 采寻院子餐厅
Sunday, 20 April 2025
09:00 Session 7
Session 7
09:00 - 10:30
Contributions

09:00 General chiral structures for BNV nucleon decays and applications to hydrogen decay-昊琳/Hao-Lin 王/Wang(SCNU)

09:30 Exotic proton decays and the GUT Models-Oleg Popov(Shenzhen MSU-BIT University)

10:00 Phenomenology of a supersymmetric Pati-Salam model-Ruiwen Ouyang
10:30

10:30 - 10:50
10:50 Session 8
Session 8
10:50 - 12:10
Contributions

10:50 Leptogenesis via symmetry non-restoration-Wei Chao(BNU)

11:20 Testing Leptogenesis from Observable Gravitational Waves-Wei（刘威） Liu(Nanjing University of Science and Technology（南京理工）)

11:50 SO(10)-inspired Leptogenesis with flavour coupling effects-Xubin Hu(University of Southampton)
12:10

12:10 - 13:30
13:30
13:30 - 17:30
Contributions

13:30 Black Myth: Wukong Art Exhibition + Leisure in Hefang Street