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Simmetry and QFT

  1. May 16, 2006 #1
    In Quantum Field Theory and in particles physics, there's a postulate that is SIMMETRY. Why exists this postulate?

    Best reggards.
  2. jcsd
  3. May 17, 2006 #2


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    That's rather vague. You have to b more specific, in order to get a decent response.

  4. May 18, 2006 #3


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    Symmetry is not postulated; it is rather an observation of the world's workings. It's importance lies in the fact that whenever a symmetry is found, an associated conservation law can be found as well (see Noether's theorem http://en.wikipedia.org/wiki/Noether's_theorem)
  5. Jul 30, 2006 #4
    Symmetry is inherent to physical phenomena and nature in general.

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