The Official String Theory Web Site:--> Theatre :--> String Colloquium 3
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Quantum Field Theory

. Quantum field theory is the mathematical embodiment of
  • special relativity
  • quantum mechanics
  • point-like elementary particles
Feynman diagram 1 Feynman diagram 2

. These principles allow many consistent theories. The STANDARD MODEL is one particular theory of the Yang Mills type that includes
  • all observed elementary particles
  • all observed forces (electromagnetic and nuclear) except gravity

The Second Superstring Revolution // String Theory: a multihistory

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