What is the cause of the Mexican hat potential of the Higgs field?

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SUMMARY

The discussion centers on the Mexican hat potential of the Higgs field, which is crucial for understanding the Higgs mechanism in particle physics. The potential arises from a combination of quadratic and quartic terms with opposite signs, leading to a vacuum expectation value (VEV) approximately twice the mass of the Higgs particle. Participants debate the foundational causes of this potential, referencing concepts like asymptotic safety and grand unified theories (GUTs) such as the Georgi-Glashow SU(5) model. Ultimately, the conversation highlights the lack of a definitive explanation for the shape of the Higgs potential and its implications for fundamental physics.

PREREQUISITES
  • Understanding of the Higgs mechanism and its role in particle physics
  • Familiarity with the concepts of vacuum expectation value (VEV) and potential energy
  • Knowledge of grand unified theories (GUTs), specifically the Georgi-Glashow SU(5) model
  • Basic grasp of quantum field theory (QFT) and self-interactions
NEXT STEPS
  • Research the implications of the Higgs mechanism on particle mass generation
  • Explore the concept of electroweak phase transition and its significance
  • Investigate the role of asymptotic safety in quantum field theories
  • Examine alternative theories to the Higgs mechanism, including string theory
USEFUL FOR

Particle physicists, theoretical physicists, and researchers interested in the foundations of the Standard Model and the nature of mass generation in fundamental particles.

  • #31
ohwilleke said:
in a pdf shorter than 339 pages

No need to read 339 pages, I wrote which section to read :angel:
 
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Likes   Reactions: nnunn and vanhees71

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