Definition of field theory in English:

Share this entry

field theory

noun

Physics
A theory that explains physical phenomena in terms of a field and the manner in which it interacts with matter or with other fields.
Example sentences
  • Quantum chromodynamics, the current theory of the strong interactions, is a field theory of quarks and gluons.
  • The consistency condition for string theory when described in this manner is that the field theory on the worldsheet satisfy the condition for scale invariance, also known as conformal invariance.
  • Lattice-gauge theorists use the Feynman path-integral technique to quantize the field theory.

For editors and proofreaders

Syllabification: field the·o·ry

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.