## quantum field theoryAny 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## Related categories• PARTICLE PHYSICS• COSMOLOGY | |||||

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