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Magnetic charge,matter and anti matter

  1. Jan 22, 2009 #1
    I got a thought on this strange hypothetical question. We differentiate between matter and anti matter based on electric charge. if electron has -ve charge,then its anti matter positron has +ve charge. Supposing if there are particles having magnetic charge then

    1. Will we have matter and anti matter based on magnetic charge also?
    If the above question has positive answer then,
    2. How they are different from matter and anti matter based on electric charge?
    3. what will happen if matter and anti matter based on magnetic charge meets?
    3. what will happen if the combination of matter and antimatter based on electric and magnetic charge meets?
     
  2. jcsd
  3. Jan 22, 2009 #2

    tiny-tim

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    Hi spidey! :smile:

    Anti-ness isn't based on one specific quality (such as charge) …

    the anti-particle of any particular particle is defined so that the creation operator of the particle "matches" the annihilation operator of the anti-particle (and vice-versa) …

    so (in qft field definitions and particularly in Feynmann diagrams) a particle going forward in time is indistinguishable form its anti-particle going backward in time.

    So all you need to do is to work out what a magnetic charge going backward in time would look like (if you thought it was going forward). :wink:
     
  4. Jan 23, 2009 #3
    Thanks Tiny tim..

    I thought only electric charge differentiates between matter and anti matter. I even dunno how magnetic charge going forward would look like. But, by symmetry, magnetic charge going forward in time should also be indistinguishable from magnetic charge going backward in time. my question has no meaning unless there exist magnetic charge.
     
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