报告题目：Quantum Damping of Cosmological Shear: A New Prediction from Loop Quantum Cosmologies

报  告 人：甘文聪 博士，江西师范大学

研究方向：圈量子黑洞和圈量子宇宙学的有效解

报告时间：2026年4月15日(星期三)上午9:30

报告地点：量子楼410报告厅

报告摘要：

We study the dynamics of the Bianchi I universe in modified loop quantum cosmology (mLQC-I) and uncover a robust mechanism for isotropization: the shear is dynamically suppressed after the bounce and decays rapidly in the quantum post-bounce regime, independently of the equation of state of standard matter sources. This naturally drives the Universe toward a homogeneous and isotropic expanding phase without fine-tuning. Our results show that mLQC-I provides a new quantum-gravitational mechanism for suppressing anisotropies, absent in other bounce models.

报告人简介：

江西师范大学物理与通信电子学院讲师，研究方向：黑洞物理，全息引力，圈量子引力，目前主要研究圈量子黑洞和圈量子宇宙学的有效解。在Physical Review D， Journal of High Energy Physics等国际主流物理学期刊上发表论文18篇，被引用300余次。