General QFT Flashcards
What are Maxwell’s equations?
What gauge freedom do we have with electromagnetic potentials?
What is the Lorentz gauge?
What is the EM field tensor?
What is the Dirac Lagrangian?
What is the EM covariant derivative?
What is the complete QED Lagrangian?
What is the complete photon propagator (with Feynman gauge)?
What are the QED photon propagator, fermion propagator, and vertex term (in the Feynman gauge)?
What is the anti-commutator of two gamma matrices?
What is the gamma zero inverse & Hermitian conjugate?
What is the gamma-five Hermitian conjugate?
What is the anti-commutator of a gamma matrix & a gamma-five?
What is the Lorentz contraction of two gamma matrices?
What is the trace of a single gamma matrix?
What is the trace of an odd number of gamma matrices?
What is the trace of two gamma matrices?
What is the trace of four gamma matrices?
When is a trace involving a gamma-five matrix zero?
What is the trace of four gamma matrices and a gamma-five matrix?
Note: anti-symmetric
What is the gamma-zero and gamma-five squared?
What is the Hermitian conjugate of a gamma matrix?
How does the gamma-five effect LH and RH wavefunctions?
Which gamma matrices are symmetric and anti-symmetric?
What is the electromagnetic running coupling?
What is the decay rate of a boson?
Describe how vacuum polarisations lead to the electromagentic running coupling behaviour.
How do we sum over particle/anti-particle spinors?
How do we write the field tensor in terms of covariant derivatives?
