Comments for physicspages.com

This blog is for comments and reports of errors on my physicspages.com site. I will also post notifications of new articles published on the main site using this blog, so if you want  to be kept up to date, check here regularly, or else  subscribe to it for email notifications. I realize this may look like a roundabout way of organizing things, but I don’t trust WordPress with anything substantial any more.

If you’re reporting an error or want clarification of an equation in an article, PLEASE include:

  • The URL of the page – just copy this from the browser’s address bar at the top.
  • The equation number containing the error.
  • And of course, what you think is wrong with it.

Thanks, and I hope you find the new site as useful as the old one.

 

 

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Lagrangian for the Dirac field

Lagrangian for the Dirac field

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Pauli-Lubansky vector and spin in the Dirac equation

Pauli-Lubansky vector and spin in the Dirac equation

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Spin projection operators in the Dirac equation for a particle at rest

Spin projection operators in the Dirac equation for a particle at rest

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Spin projection operators in the Dirac equation

Spin projection operators in the Dirac equation

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Helicity and chirality are equal for massless fermions

Helicity and chirality are equal for massless fermions

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Chirality projection operator and eigenvectors of gamma-5

Chirality projection operator and eigenvectors of gamma-5

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Helicity projection operator: Properties and commutators

Helicity projection operator: Properties and commutators

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