Index

  • γ\gamma matrices, 5.1
  • 𝒮\mathcal{S} matrix, 3.2
  • ϕ3\phi^{3} theory, 3.5
  • ϕ4\phi^{4} model, 3
  • MS, 440
  • dimreg, 7.1
  • ‘distance’ in spacetime, 1.1.2
  • adjoint spinor, 5.1.4
  • asymptotic states, 3.2, 3.4
  • bare quantities, 7.2
  • Bose-Einstein statistics, 2.5
  • boson, 2.5
  • Casimir trick, 6.3
  • centre-of-mass frame, 4.3.2
  • commutation relation, 2.2, 2.4
  • completeness relation, 5.1.3
  • conjugate momentum, 1.3
  • counterterm, 7.2
  • covector, 1.1.2
  • cross section, 4.1
  • cut-off regularisation, 7.1
  • delayed Green’s function, 2.6
  • diagram
    • 1PI, 7
    • amputated, 3.6, 7
    • connected, 3.5, 7
    • disconnected, 3.5
  • Dirac equation, 5.1
  • doublet, 3
  • Einstein sum conventions, 1.1.1
  • energy-momentum tensor, 1.4
  • Euler’s formula, 7.4.1
  • Euler-Lagrange equation, 1.3
  • Fermi-Dirac statistics, 2.5
  • fermion, 2.5
  • Feynman diagram, 3.3
  • Feynman parametrisation, 7.3
  • Feynman prescription, 2.6
  • Feynman propagator, 2.6, 3.3
  • Feynman rules, 3.5
  • field
    • classical, 1.4
    • free, 2
    • interacting, 2
  • field-strength tensor, 5.2
  • flux factor, 4.1
  • gauge field, 5.2
  • gauge-covariant derivative, 6
  • gauge-fixing term, 5.2
  • Gell-Mann and Low theorem, 3.4
  • generalised coordinates, 1.3
  • generalised velocities, 1.3
  • Haag’s theorem, 3.4
  • Hamiltonian density, 1.4
  • Heisenberg equation, 2.1, 3.1
  • Heisenberg picture, 2.1, 3.1
  • higher spins, 5
  • interaction picture, 3.1
  • intrinsic parity, 5.1.2
  • ladder operator, 82
  • lattice, 3
  • Lorentz group, 1.1.3, 5
  • Lorentz transformation
  • Lorentz transformations, 1.1.3
  • luminosity, 4.1
  • Mandelstam variables, 4.3.2
  • minimal coupling, 6
  • Minkowskian space, 1.1.2
  • Noether
  • normal ordering, 2.4
  • parity, 5.1.2
  • particle, 2.5
  • path integral, 3.2
  • Pauli’s fundamental theorem, 5.1.1
  • perturbation theory, 3
  • phase space, 4.1
  • Poisson bracket, 2.1
  • principle of least action, 2, 3.2
  • quantum harmonic oscillator, 82
  • Rarita-Schwinger particle, • ‣ 5
  • regularisation, 2.4, 7.1
  • renormalisable, 7.4, 7.4.1
  • renormalisation, 2.4, 7.2
  • Schrödinger equation, 1, 2.1
  • Schrödinger picture, 2.1, 3.1
  • spacetime rotations, 1.1
  • spin-statistics theorem, 2.5
  • spinor, 5.1, LABEL:ind:89,_90
  • superficial degree of divergence, 7.4.1
  • time-ordered exponential, 3.2
  • time-ordered product, 3.2
  • vacuum bubbles, 3.5
  • vacuum energy, 2.4
  • vacuum state, 2.2, 2.4
  • vacuum-to-vacuum transitions, 3.5
  • variational principle, 1.3
  • vector potential, 5.2
  • Wick contraction, 3.3
  • Wick rotation, 7
  • Wick theorem, 3.3