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Another Universe just beyond "Ours"



August 02, 2010 – Comments (4)

This could be the making of a big Science fiction movie, if it was fiction. Turns out that scientists have detected the possibility that this other Universe may actually be true.

Dr. Laura Mersini-Houghton (née Laura Mersini) is a theoretical physicist-cosmologist and professor at the University of North Carolina at Chapel Hill since January 2004.[1] In 2009 she is on a sabbatical at DAMTP, University of Cambridge.

Laura Mersini-Houghton received her undergraduate degree from the University of Tirana, Albania, her M.Sc. from the University of Maryland and was awarded a PhD in 2000 by the University of Wisconsin–Milwaukee.

She has worked on a variety of topics on the particle physics-cosmology interface. She was particularly interested in the possibility of generating dark energy from transplanckian physics in string theory, gravity and quantum field theory in curved space, and higher-dimension braneworlds.

One of her major contributions is her theory that explains the selection of the Initial Conditions of our Universe from the multiverse [2], (see also [3]. This theory explains that the only way the universe can survive the Big Bang is if it bangs at high energies. As such, high energy initial states for the universe are more probable than their low energy initial patches, since the latter are terminal. This theory addresses one of the big mysteries of nature, the birth of the low entropy universe in compliance with the arrow of time. It also offers observational signatures of all the surviving universes that comprise the multiverse. She says that when it comes to what we know about the universe, current physics theory is lagging a little behind. For example, the Big Bang theory might not be enough to explain the origin of all the matter in the universe (everything from the universe's large-scale structure — galaxies and the like — to cosmic microwave background radiation, dark matter, and the rest). A Copernican extension of our physical theories to a multiverse framework may be required for probing the most fundamental questions and best kept secrets of nature.

In 2006, Mersini-Houghton with collaborators predicted a series of observational imprints of her theory [4] for the birth of our high energy universe from the multiverse, by using the unitarity principle of quantum mechanics, (no information loss). They predicted the existence of a giant void far away of size about 12 degrees in the sky; the 'tilting' of the gravitational potential in the universe, which gives rise to a Dark Flow of structure, caused by superhorizon entanglement of our universe with all else in the multiverse; the suppression of the overall amplitude of inflationary fluctuations due to the same interaction of our Hubble volume with others in the multiverse, etc.

In 2007, Mersini-Houghton claimed that the observed CMB cold spot was "the unmistakable imprint of another universe beyond the edge of our own"[5], just as she and her collaborator had predicted in her theory 8 months earlier [6].

In Nov. 2008, a NASA team led by Alexander Kashlinsky[7] observed the Dark Flow of clusters in the universe at exactly the velocity and alignment predicted by her [8] earlier in the 'Cosmological Avatars of the Landscape I, II' papers in 2006 [9] and [10].

In the same year (2006) WMAP reached agreement with SDSS experiment, that the overall amplitude of fluctuation is less than 1. If these observational findings, predicted in the 2006 papers by Mersini-Houghton et al. are confirmed over the next few years, then they may offer the first evidence of a world beyond our own. Such confirmation would tie the standard model of cosmology into a more coherent picture where our universe is not at the center of the world, but part of it.

After the observational confirmation of the three predictions (the Void, Dark Flow and Sigma8) her work continues to attract international media attention, GCHEP/UNC, and Discover magazine, October 2009.


4 Comments – Post Your Own

#1) On August 03, 2010 at 1:31 AM, TurnKeyOilStocks (39.84) wrote:

I hope it is true :)

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#2) On August 03, 2010 at 9:15 AM, IBDvalueinvestin (99.64) wrote:

Why do you want it to be true?

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#3) On August 15, 2010 at 9:28 PM, 1277507302 wrote:

Gee, all that to figure that out ;-). When I heard that the universe was expanding at ever faster rates I shrugged and thought to myself, "There must be one heck of allot of stuff out there drawing our universe towards it at ever faster rates."

What caused the Big Bang? The unstoppable object meets the immovable force. Super super massive massive black hole meets Super super massive massive black hole.

BTW, the p/e ratios in China small caps traded here in the US are really cheap.

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#4) On August 15, 2010 at 9:48 PM, catoismymotor (36.11) wrote:

What am I supposed to do with this information?

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