Commenting on or reporting errors in posts

This blog is used by me mainly to report new posts on physicspages.com, (you can sign up to new posts by entering your email in the box on the right) but you can also submit comments and error reports here. To make a comment or error report:

  1. Copy the title and/or the URL of the post you wish to comment on.
  2. Click on the <number> comments link at the end of this post (<number> is the current number of comments and will vary).
  3. If the <number> comments link isn’t visible, scroll to the bottom of the page until you find a ‘Leave a reply’ box.
  4. Scroll to the end of the comments and add your comment there.
  5. If you’re commenting on a particular equation in a post, please make sure you include the equation number in your comment.

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Decay of a single particle

Decay of a single particle

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Phase space and the S matrix

Phase space and the S matrix

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Crossing symmetry

Crossing symmetry

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Analytic continuation

Analytic continuation

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Spontaneous emission rates for hydrogen – general solution

Spontaneous emission rates for hydrogen – general solution

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Forbidden transitions in the harmonic oscillator and hydrogen

Forbidden transitions in the harmonic oscillator and hydrogen

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Magnetic resonance

Magnetic resonance

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Time-dependent perturbation theory for a multi-level system

Time-dependent perturbation theory for a multi-level system

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Selection rules in spontaneous emission – transition between spherically symmetric states not allowed

Selection rules in spontaneous emission – transition between spherically symmetric states not allowed

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Selection rules for spontaneous emission of radiation

Selection rules for spontaneous emission of radiation

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