Basic question on QFT and the standard model

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SUMMARY

The discussion clarifies that the Standard Model of particle physics is fundamentally based on quantum fields, with particles such as electrons, quarks, and neutrinos corresponding to Dirac and Majorana fields, while force carriers like photons correspond to gauge fields. The Higgs boson is identified as a scalar field. The question raised concerns the representation of particles versus fields in the Standard Model, emphasizing that particles are indeed manifestations of these underlying fields, described by Quantum Field Theory (QFT).

PREREQUISITES
  • Understanding of Quantum Field Theory (QFT)
  • Familiarity with the Standard Model of particle physics
  • Knowledge of Dirac and Majorana fields
  • Basic concepts of gauge fields and scalar fields
NEXT STEPS
  • Research the implications of Quantum Field Theory on particle physics
  • Study the differences between Dirac and Majorana fields
  • Explore the role of gauge fields in the Standard Model
  • Investigate the properties and significance of the Higgs boson
USEFUL FOR

Physicists, students of quantum mechanics, and anyone interested in the foundational concepts of particle physics and Quantum Field Theory.

jnorman
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The standard model comprises a particle model of reality, implying that every observable is either a particle of matter or a force carrying particle. QFT seems to imply that particles are merely manifestations of underlying fields - ie, particles are "ripples" in the field.

if QFT is the accepted model of quantum physics, why doesn't the standard model somehow reflect that? ie, why isn't the standard model based around a list of fields, rather than particles?
 
Physics news on Phys.org
The standard model is based on a list of quantum fields. Electrons, quarks and neutrinos correspond to Dirac /Majorana fields, photons and other force carriers correspond to gauge fields, the Higgs boson corresponds to a scalar field.
 

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