彭桓武理论物理创新研究中心“2025引力波物理研讨会”

Session

18 Oct 2025, 14:00

Multi-Functional Hall (opposite the Main Lecture Hall), 3rd Floor, Building 7 （7号楼3层多功能厅，主会场对面）

Conveners

Parallel-2

• Yun Jiang (Sun Yat-sen University)

Contribution list Timetable

43. A treatment to gravitational perturbations and Lorentz-violating effects with Lagrangian analysis

Chao Zhang (China University of Petroleum, Beijing)

18/10/2025, 14:00

Since the first direct detection to the gravitational wave (GW), i.e., the event GW150914, it has emerged as a blockbuster during the past decade within the realm of theoretical physics. Specially, it provides us with an unprecedented opportunity in testing theories of gravity that beyond the scope of general relativity (GR), especially in the strong-field regime. One common way for extracting...

33. Beyond Symmetry-Reduced Models: Bouncing Cosmology, Regular Black Holes and Gravitational Waves from a Full Theory Perspective

Hongguang Liu

18/10/2025, 14:20

Current research on quantum gravity inspired bouncing cosmologies and regular black holes, as well as their potential gravitational wave signatures, has largely relied on symmetry-reduced models, such as those assuming spherical symmetry. However, these simplified models may fail to capture essential physical features inherent in the full theory. It is therefore crucial to develop approaches...

31. Bouncing behaviour in non-commutative space-time

Vishnu Rajagopal

18/10/2025, 14:40

The non-commutative space-time structures, naturally incorporate the minimal length scale, carries the imprints of quantum gravity signals. We show that the kappa-Minkowski space-time, a Lie-algebraic type non-commutative space-time appearing in the low energy limit of loop quantum gravity, avoids the initial singularity in early universe by providing a bounce behaviour.

59. Prospect on constraining string-theory-inspired model from gravitational redshift measurements

Li Hu (Institute of Theoretical Physics, Chinese Academy of Sciences)

18/10/2025, 15:00

7. Variational inference for correlated gravitational wave detector network noise

Mr Jianan Liu (University of Auckland)

18/10/2025, 15:20

Gravitational wave detectors like the Einstein Telescope and LISA generate long multivariate time series, which pose significant challenges in spectral density estimation due to the large number of observations as well as the presence of correlated noise. Addressing both issues is crucial for accurately interpreting the signals detected by these instruments. A variational inference method for...