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Conservation of Energy and Mass in QM

  1. Mar 18, 2010 #1
    Please tell me how conservation of energy and mass apply in QM. I want to confirm something I read somewhere about QM not conserving energy.
     
  2. jcsd
  3. Mar 18, 2010 #2

    jtbell

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    Staff: Mentor

    How about you tell us what you read, and then we can confirm whether that specific statement is valid?
     
  4. Mar 18, 2010 #3

    Dale

    Staff: Mentor

    As long as the Hamiltonian is symmetric under time translation then energy is conserved.
     
  5. Mar 18, 2010 #4
    Before the experts step in and cry out "not again" :) here is a link to a thread two days ago...
    https://www.physicsforums.com/showthread.php?t=386968

    What a shame that no-one refered to my reference in Baez's site where it talks about non-conservation of energy in virtual particles.
     
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