Studying String Theory and pursuing a major in it can be an exciting and intellectually stimulating path if you have a keen interest in theoretical physics and a desire to explore the fundamental nature of the universe. However, it's important to consider a few factors before making a decision.
Complexity and Mathematical Rigor: String Theory is a highly complex and mathematically demanding field. It requires a solid foundation in advanced mathematics, including calculus, linear algebra, and differential geometry. If you enjoy challenging mathematical concepts and are willing to invest time and effort in developing these skills, String Theory could be a suitable choice.
Research and Career Opportunities: String Theory is an active area of research, but it's worth noting that progress has been slow and it has yet to be experimentally confirmed. While studying String Theory can open up opportunities for research in academia or related fields, it's important to be aware that the job market may be limited compared to more established areas of physics.
Alternative Approaches: While String Theory is a leading candidate for a theory of quantum gravity, it is not the only game in town. There are alternative approaches to quantum gravity, such as loop quantum gravity and causal dynamical triangulation, which also strive to unify quantum mechanics and general relativity. It's worthwhile to explore and familiarize yourself with these alternative theories to make an informed decision.
Personal Interest: It's crucial to have a genuine passion and interest in the subject you choose to study. If you find the concepts of String Theory fascinating and are motivated to delve into its intricacies, it can be a rewarding and fulfilling path for you.
Ultimately, the decision to study String Theory and major in it should be based on your personal interests, academic strengths, and long-term goals. Consider consulting with professors or researchers in the field to gain further insights and advice tailored to your specific circumstances.