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What's V-representable

  1. Jan 14, 2010 #1
    what's "V-representable"

    Just encountered this word, not sure what it means. I tried google and wiki, but didn't find any introductory articles, only some professional articles which mentioned this word.
    Can someone introduce a bit?
    P.S. I'm not even sure where to post question, for I haven't figured out whether it's more mathematical or physical, so I put it here, randomly.
     
  2. jcsd
  3. Jan 14, 2010 #2
    Re: what's "V-representable"

    Perhaps some context would be useful...
     
  4. Jan 14, 2010 #3

    HallsofIvy

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    Re: what's "V-representable"

    As rochfor1 says, we really need to know the context.

    Until then I would guess that you are saying that group G has a representation as a group of linear transformations from vector space V to itself.
     
  5. Jan 14, 2010 #4
    Re: what's "V-representable"

    I think V refers to potential, I only found a definition(sort of, not quite formal) from an abstract of a article:
    http://pra.aps.org/abstract/PRA/v47/i1/p153_1
    "A particle-density distribution is said to be v-representable if it is the ground-state density for some potential v(r)"
    And I don't understand it.
     
  6. Jan 14, 2010 #5

    HallsofIvy

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    Re: what's "V-representable"

    Then this has nothing to do with "Linear and Abstract Algebra"! In fact, it sounds like it is physics rather than mathematics.
     
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