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Spin 1/2

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  1. May 28, 2015 #1
    Hi,
    I was looking at the wikipedia article for spin 1/2 http://en.wikipedia.org/wiki/Spin-½ and it stated that √(½(½+1))ħ=√3/2ħ. According to my math it is √¾ħ. Is this just a typo or am I missing something?
     
  2. jcsd
  3. May 28, 2015 #2

    ShayanJ

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    Gold Member

    Be careful, what you wrote is ## \sqrt{\frac 3 4 }\hbar ## and what the wiki page wrote is ## \frac{\sqrt 3}{2} \hbar ##. They're the same!
     
  4. May 28, 2015 #3
    Ah I see. I went off initial simplification, not realizing that they are the same.
     
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