What happened to the denominator?

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SUMMARY

The discussion centers on a potential typo in a quantum mechanics paper regarding the calculation of expectation values. Specifically, the denominator, which should be 1 if all kets are normalized, appears to be missing in the transition from page 1-20 to the top of the next page. The participants confirm that the normalization condition is met, clarifying that the absence of the denominator does not affect the validity of the calculations presented. This highlights the importance of careful reading in academic papers.

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  • Understanding of quantum mechanics concepts, particularly expectation values
  • Familiarity with ket notation and normalization in quantum states
  • Basic knowledge of mathematical notation used in physics papers
  • Ability to critically analyze academic texts for potential errors
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  • Review quantum mechanics textbooks focusing on expectation values and normalization
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BiGyElLoWhAt
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The denominator is 1 if all the kets are normalized, and they're saying at the bottom of 1-20 that they are.
 
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Ahhh. Thanks, I missed that.
 

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