Experiment Shows That 10-dimensional Universe.Tuesday 27th of December 2011 09:52:21 PM
They simulate the origins of the by super computer and meet with that string theory was right and the has .
A group of three researchers from KEK, the Shizuoka University and Osaka University have revealed for the first time the way in born our with three spatial dimensions from the 10-dimensional superstring theory in which spacetime has 9 directions of space and a temporary address. This result was obtained through numerical simulation in a supercomputer.
According to cosmology, the originated in an explosion from an invisible small point. This theory is strongly supported by the observation of the cosmic microwave background and the relative abundance of elements. However, a situation in which the entire is a small point exceeds the scope of the general theory of relativity of Einstein, and for that reason has not been possible to clarify how the works and as actually originated.
In superstring theory, which is regarded as the "theory of everything", all elementary particles are represented as multiple modes of oscillation of the very small strings. Between the oscillation modes, there is a correspondingto a particle that average gravity, and therefore the theory of general relativity can be naturally extended to the scale of elementary particles.
It therefore expected that superstring theory allows the investigation of the birth of the . However, the actual calculation has been intractable as the interaction between the chains is very strong, so all the research so far has been limited to discussion of various models or scenarios.
Superstring theory predicts a 9-dimensional space, which poses the great puzzle of how this can be compatible with the 3 dimensional space that we live
A group of three investigators, Jun Nishimura (KEK Associate Professor), Tsuchiya Asato (Associate Professor of the University of Shizuoka), and Sang-Woo Kim (researcher of the project in Osaka University) has managed to simulate the birth of the , using a supercomputer based calculations?in superstring theory. This proved that the had nine space dimensions at the beginning, but only three of these underwent expansion at some point in time.
This work will be published shortly in the journal Physical Review Letters.
[The contents of research]
In this study, the team established a method for the calculation of large matrices (in the IKKT matrix model), which represent the interactions between the chains, and is estimated as 9-dimensional space changes with time. In the figure, the spatial extent in 9 directions are based on the time.
If you go as far enough in time, space is in fact extended in nine directions, but eventually only three of these addressesbegin expanding rapidly. This result demonstrates for the first time that the 3-dimensional space that we are living in the truth arises from nine-dimensional space which predicts superstring theory.
This calculation was carried out in the supercomputer Hitachi SR16000 (theorist of performance: were 90.3 TFLOPS) in the Yukawa Institute of theoretical physics at Kyoto University.
[The importance of research]
For almost 40 years since the superstring theory was proposed as the theory at all, extending the theory of general relativity to the scale of elementary particles. However, its validity and usefulness remains unclear because of the difficulty of the actual calculations.
The newly obtained puzzle solution dimension spacetime supports the validity of the theory.
In addition, the establishment of a new method to analyze superstring theory using computers, opens the possibility of applying this theory to the various problems. For example, should now be possible a theoretical understanding of inflation which is believed to have taken place at the beginning of the , and the accelerated expansion of the , whose discovery was awarded the Nobel Prize in Physics for this year. Expected that superstring theory will develop further and will play an important role in solving puzzles in particle physics, such as the existence of dark matter that is suggested by the cosmological observations and particle Higgs, is expected to be discovered by the experiments of the LHC * 7.
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