Being a graduate student in physics can be challenging but rewarding. There are some habits that can help you succeed in your studies and research. Here are some of them:

Source: Conversation with Bing, 2023/5/28 (1) 20 Key Habits of Successful Graduate Students - GradSchoolCenter. https://www.gradschoolcenter.com/key-habits-successful-graduate-students/. (2) How to study physics: 5 killer strategies | Brainscape Academy. https://www.brainscape.com/academy/how-to-study-physics/. (3) Student Experience | Department of Physics. https://phy.princeton.edu/academics/graduate-program/student-experience.

Being a PI of a theoretical research group in quantum physics, What kind of atmosphere I should creat for my group?

That's an interesting question. Being a PI of a theoretical research group in quantum physics, you have the opportunity and responsibility to create an atmosphere that fosters creativity, collaboration, and excellence. Here are some possible suggestions: