How does string theory fit with QFT?

member 623540 · May 23, 2017

In string theory, particles is vibrating strings. However, QFT treats particles as excitations in a quantum field. Can both of these theories be correct? If so, how does them fit together?

Demystifier · May 23, 2017

In perturbative string theory, QFT can be viewed as an approximation of string theory. In non-perturbative string theory, there are conjectures claiming that string theory and QFT can be equivalent.

Endan Rarity · May 30, 2017

Well if QFT explains quantum particles as vibrations in a field then using string theory, you can apply each vibration's frequency according to the molecules being strings?

How does string theory fit with QFT?

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How does string theory fit with QFT?

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