This discussion centers on the complexities of quantum field theory (QFT) and general relativity (GR), particularly regarding the treatment of Dirac fields and their transformations under spacetime coordinates. Participants debate the necessity of using tetrads in GR for spinor treatment and the implications of treating Dirac fields as scalars. Key references include Blau's lecture notes and Schutz's "Gravity from the Ground Up," which provide heuristic motivations for relativistic gravity and the role of energy in generating gravitational fields. The conversation emphasizes the importance of covariance and the challenges of interpreting non-covariant quantities in GR.
PREREQUISITESPhysicists, particularly those specializing in theoretical physics, quantum field theorists, and researchers interested in the intersection of quantum mechanics and general relativity.
rubi said:I don't think there are any relativists who use a different definition.