Field theory

Field theory may refer to:

• Field theory (mathematics), the theory of the algebraic concept of field
• Field theory (physics), a physical theory which employs fields in the physical sense, consisting of two types:
  • Classical field theory, the theory and dynamics of classical fields.
  • Quantum field theory, the theory of quantum mechanical fields.

• Field theory (psychology), a psychological theory which examines patterns of interaction between the individual and his environment