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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Nonrelativistic field theory – Fock space to position space

Nonrelativistic field theory – Fock space to position space

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Principle of least action – where does it come from?

Principle of least action – where does it come from?

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Amateur astrophotos

I’ve posted a few photos of objects in the night sky that I’ve taken with my home telescope, from my back yard. The photos aren’t Hubble quality, of course, but considering that I live in a moderately light-polluted area, they’re not bad. If you’re interested, here’s the index.

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Nonrelativistic field theory – number, creation and annihilation operators

Nonrelativistic field theory – number, creation and annihilation operators

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Nonrelativistic field theory – Fourier expansion

Nonrelativistic field theory – Fourier expansion

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Nonrelativistic field theory – Schrödinger equation

Nonrelativistic field theory – Schrödinger equation

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Klein-Gordon equation with scalar 1/r potential

Klein-Gordon equation with scalar 1/r potential

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