Field equation
- Annihilation
- Bargmann–Wigner equations
- Continuity equation
- Coupling parameter
- Dirac equation
- Einstein field equations
- Field coupling
- Field decoupling
- Field strength
- Fourier transform
- Fundamental interaction
- Galilean symmetry
- General Relativity
- Hamiltonian field theory
- Klein–Gordon equation
- Lagrangian field theory
- Linear partial differential equation
- Lorentz symmetry
- Matter creation
- Maxwell's equations
- Navier–Stokes equations
- Newton's Law of Universal Gravitation
- Nonlinear partial differential equation
- Schrödinger equation
- Spin (physics)
- Twistor theory
- Vacuum solution
- Wave function