Effective Field Theory for Cosmological Phase Transitions

Effective Field Theory for Cosmological Phase Transitions

Harvard CMSA via YouTube Direct link

Phase transition parameters

4 of 16

4 of 16

Phase transition parameters

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Classroom Contents

Effective Field Theory for Cosmological Phase Transitions

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  1. 1 Intro
  2. 2 Cosmological first-order phase transitions
  3. 3 Gravitational waves from phase transitions: the pipeline
  4. 4 Phase transition parameters
  5. 5 Standard approach to computing parameters
  6. 6 Theoretical uncertainties
  7. 7 What has gone wrong?
  8. 8 Hierarchies in phase transitions
  9. 9 High temperature effective field theory
  10. 10 Problem: renormalisation scale dependence
  11. 11 EFT solution: renormalisation scale independence
  12. 12 Problem: gauge dependence.
  13. 13 EFT solution: gauge independence
  14. 14 Problem: what is the thermal nucleation rate?
  15. 15 EFT solution: match to classical nucleation theory
  16. 16 Conclusions

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