Precision decay rate calculations in quantum field theory

  title={Precision decay rate calculations in quantum field theory},
  author={Anders Johan Andreassen and David Farhi and William Frost and Matthew D. Schwartz},
  journal={Physical Review D},
Tunneling in quantum field theory is worth understanding properly, not least because it controls the long term fate of our universe. There are however, a number of features of tunneling rate calculations which lack a desirable transparency, such as the necessity of analytic continuation, the appropriateness of using an effective instead of classical potential, and the sensitivity to short-distance physics. This paper attempts to review in pedagogical detail the physical origin of tunneling and… Expand
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