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String Theory Predicts Behavior of Superfluids

schrodingers_rabbit writes "Despite formidable odds, condensed matter physicists have made a breakthrough most thought impossible — finding a practical use for string theory. The initial breakthrough was made by physicist and cosmologist Juan Maldacena. His theory states that the known universe is only a 2D construct in anti-de-Sitter space, projected into 3 dimensions. This theory manages to model black holes and quantum theory congruently, a feat that has eluded scientists for decades; but it fails to correspond to the shape of space-time in the known universe. However, it does predict thermodynamic properties of black holes, including higher-dimensional viscosity — the equations for which elegantly and almost exactly calculate the behavior of quark-gluon plasma and other superfluids. According to Jan Zaanen at the University of Leiden, 'The theory is calculating precisely what we are seeing in experiments.' Unfortunately, the correspondence cannot prove or disprove string theory, although it is a positive step." Not an easy path to follow: one condensed matter theorist said, "It took two years and two 1000-page books of dense mathematics, but I learned string theory and got kind of enchanted by it. [When the string-theory related] thing began to... make predictions about high-temperature superconductors, my traditional mainstay, I was one of the few condensed matter physicists with the preparation to take it up."

26 of 348 comments (clear)

  1. Only a 2D construct in anti-de-Sitter space! by Dystopian+Rebel · · Score: 5, Funny

    the known universe is only a 2D construct in anti-de-Sitter space, projected into 3 dimensions

    Well if THAT'S all it is, I see no reason to upgrade my video card.

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    1. Re:Only a 2D construct in anti-de-Sitter space! by L4t3r4lu5 · · Score: 5, Funny
      Indeed. I hadn't heard of the term before, so I looked it up.

      In mathematics and physics, n-dimensional anti de Sitter space, sometimes written AdSn, is a maximally symmetric Lorentzian manifold with constant negative scalar curvature. It is the Lorentzian analog of n-dimensional hyperbolic space, just as Minkowski space and de Sitter space are the analogs of Euclidean and elliptical spaces respectively. It is best known for its role in the AdS/CFT correspondence.

      - http://en.wikipedia.org/wiki/Anti_de_Sitter_space

      Well, glad that's cleared up!

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    2. Re:Only a 2D construct in anti-de-Sitter space! by ColdWetDog · · Score: 5, Funny

      Yeah, I looked at that Wikipedia article. Then I had to look up all of the other words.

      Then my head asplode.

      Thanks a lot!

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    3. Re:Only a 2D construct in anti-de-Sitter space! by OctaviusIII · · Score: 3, Funny

      Suddenly, I have a greater respect for Star Trek technobabble, as well as the simple analogies that often follow.

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    4. Re:Only a 2D construct in anti-de-Sitter space! by zapakh · · Score: 2, Funny

      Suddenly, I have a greater respect for Star Trek technobabble, as well as the simple analogies that often follow.

      ...like putting too much air in a balloon!

  2. But... by HaeMaker · · Score: 4, Funny

    on page 642 of the second book, they divide by zero, so back to the drawing board.

    1. Re:But... by L4t3r4lu5 · · Score: 4, Funny

      That's ok, Chuck Norris helped them out with that bit. He said it was ok, and if the universe didn't like it, it could meet him outside.

      So far, Chuck's out there by himself.

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    2. Re:But... by Legion303 · · Score: 2, Funny

      10 years ago called and said you could keep their joke.

  3. Exciting by Rosco+P.+Coltrane · · Score: 3, Funny

    one condensed matter theorist said, "It took two years and two 1000-page books of dense mathematics, but I learned string theory and got kind of enchanted by it.

    Boy, long winter evenings must just fly.

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  4. Re:Title by BadAnalogyGuy · · Score: 2, Funny

    I have a theory that there must be a joke in here somewhere about strings and superfluid!

    Maybe something about David Carradine or Michael Hutchence?

  5. Re:Yeah... by FredFredrickson · · Score: 5, Funny

    Enlighten me, why would proving a theory that is another step toward a GUT be a negative step?

    Well, you see, string theory is very complex, but really in the 2d universe we truly live in, it can be considered a negative step, but you won't understand it, because your used to only experiencing the 2 real dimensions and the incredible faux 3rd dimension, which is a construct of our brains to understand the space which we perceive. Anyway, the point is, if you really understand string theory, you see the negative step. But if you're standing behind the theory, it's a positive step. It's all relative.

    Re:Yeah... (Score:1) Mod Parent +1 WTF? POP-PHYSICS

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  6. Re:Science Fiction by Anonymous Coward · · Score: 1, Funny

    It's like spaghetti theory. They throw bunch up against wall, and if a few sticks then they say "see, like we were saying...".

    Doesn't matter. They'd all soon be hanged with FSM tentacles for sacrilege.

  7. I lol'd by Anonymous Coward · · Score: 5, Funny
    The current tags (in order) for this story read to me:

    mygoddoyouknowwhatthismeans noidont stoptalkingintags

  8. Re:Science Fiction by nomorecwrd · · Score: 5, Funny

    That's because your mind is still constrained by our 2D universe.

  9. Re:Yeah... by db10 · · Score: 2, Funny

    Chicken don't have fingers, I hope this fact doesn't affect your PhD thesis.

  10. Re:Science Fiction by m.ducharme · · Score: 4, Funny

    I'm sorry, I'm not familiar with "pc keyboards back-to-back" as a system of measurement, could you translate that into Football Fields for me?

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  11. Re:O.o by Rashdot · · Score: 2, Funny

    I don't know, but I do have a theory how 7of9 would look in a string.

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  12. Re:I don't understand by dim5 · · Score: 4, Funny

    Oh, I think you know the answer to that.

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  13. Re:It's the math, stupid by Alzheimers · · Score: 2, Funny

    Strings ARE flexible! You can even tie them in knots.

  14. an obvious joke by bingbong · · Score: 4, Funny

    "Do you know string theory?"

    "No, I'm a frayed knot."

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  15. Re:Yeah... by Sponge+Bath · · Score: 4, Funny

    Ignignokt: You and your 3rd dimension.
    Frylock: What about it?
    Ignignokt: It's cute, we have five.
    Err: Th-thousand.
    Ignignokt: Yes, five thousand.
    Err: Don't question it!
    Frylock: Well, I only see two.
    Ignignokt: Well, that sounds like a personal problem.

  16. Flying Spaghetti Theory by argent · · Score: 2, Funny

    Spaghetti is tastier than string, and they could unify biology and physics with AdS/FSM spaces. How many dimensions has His Noodly Appendage?

  17. Oblig... by BJ_Covert_Action · · Score: 2, Funny

    As always....xkcd explains it best here.

  18. Obligatory reference by mrops · · Score: 2, Funny
  19. Re:The Creationists respond: by argent · · Score: 2, Funny

    Your "intelligent variable" is just the long-discredited "hidden variable" interpretation dressed up with a bunch of hokum to explain away the Aspect Experiment. You can't close your eyes to the truth and stumble around in the dark, when a single photon will show you His Noodly Appendage!

  20. Re:Poster doesn't understand TFA by realnrh · · Score: 2, Funny

    ... It's late and I'm going to bed, because I had to read that three times to get it to not say "The Macarena duality..."

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