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quantum field theory

Any physical theory that encapsulates both quantum mechanics and special relativity. The fundamental objects in a quantum field theory (QFT) are point-like particles such as electrons. The quintessential example of a quantum field theory (QFT) is quantum electrodynamics (QED). The Standard Model of particle physics is also a QFT.

Related entry

• field theory

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• PARTICLE PHYSICS
• COSMOLOGY

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