Effective Field Theory, Past and Future

Abstract

This is a written version of the opening talk at the 6th International Workshop on Chiral Dynamics, at the University of Bern, Switzerland, July 6, 2009, to be published in the proceedings of the Workshop. In it, I reminisce about the early development of effective field theories of the strong interactions, comment briefly on some other applications of effective field theories, and then take up the idea that the Standard Model and General Relativity are the leading terms in an effective field theory. Finally, I cite recent calculations that suggest that the effective field theory of gravitation and matter is asymptotically safe.

Correction to footnote 29 and associated text. 21 pages

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• Strongly-Interacting Ultralight Millicharged Particles
• Spontaneous symmetry breaking and gravity
• Quantum gravitational states of ultracold neutrons as a tool for probing of beyond-Riemann gravity
• Time transients in the quantum corrected Newtonian potential induced by a massless nonminimally coupled scalar field
• Inflation without quantum gravity
• Axionic extension of the Einstein-aether theory
• Short-range forces due to Lorentz-symmetry violation
• Deformations of Yang-Mills theory
• Finiteness of quantum gravity with matter on a PL spacetime
• Complete set of essential parameters of an effective theory