
SU(2)
SU(2) is a mathematical concept representing a special way to describe symmetries, especially in physics. It involves complex transformations that preserve certain properties, like distances, and are represented by 2×2 matrices with complex numbers. These transformations are fundamental in understanding forces and particles, such as in quantum mechanics and the Standard Model of particle physics. Essentially, SU(2) captures how certain systems can be rotated or changed without altering their core characteristics, embodying a continuous set of symmetries that are crucial for describing the behavior of fundamental particles.