Theory lecture 3
8 Março 2023, 08:30 • João Nuno Ramalho Gonçalves Pires
- Klein-Gordon equation: negative particle energy solutions and unphysical negative probability densities
- Dirac equation
- Properties of the Dirac gamma matrices
- Adjoint Spinor and covariant current: Dirac equation solutions with positive probability densities
- Solutions to the Dirac Equation
- Antiparticles prediction: Dirac sea interpretation and Feynman-Stuckelberg intrepretation
- Dirac particle u1(p), u2(p) and anti-particle spinors v1(p),v2(p)
Recommended reading: Chapter 4 of Mark Thomson's book. Chapter's 7.1-7.3 of D.Griffith's book.