我是王泽凯，现为哈佛大学物理系博士生，研究方向为粒子物理与宇宙学。我想分享理论物理学习中的部分笔记，以及旅行过程中的随笔与观察。

I’m Zekai Wang, a PhD candidate in Physics at Harvard University. My research focuses on particle physics and cosmology. This website features selected notes from my study of theoretical physics, as well as reflections from my travels (In Chinese).