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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Nomura, Yasunori (2011)
Languages: English
Types: Preprint
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Theory, Astrophysics - Cosmology and Nongalactic Astrophysics

Classified by OpenAIRE into

arxiv: Physics::Popular Physics, Physics::History of Physics, General Relativity and Quantum Cosmology
We present a framework in which well-defined predictions are obtained in an eternally inflating multiverse, based on the principles of quantum mechanics. We show that the entire multiverse is described purely from the viewpoint of a single "observer," who describes the world as a quantum state defined on his/her past light cones bounded by the (stretched) apparent horizons. We find that quantum mechanics plays an essential role in regulating infinities. The framework is "gauge invariant," i.e. predictions do not depend on how spacetime is parametrized, as it should be in a theory of quantum gravity. Our framework provides a fully unified treatment of quantum measurement processes and the multiverse. We conclude that the eternally inflating multiverse and many worlds in quantum mechanics are the same. Other important implications include: global spacetime can be viewed as a derived concept; the multiverse is a transient phenomenon during the world relaxing into a supersymmetric Minkowski state. We also present a theory of "initial conditions" for the multiverse. By extrapolating our framework to the extreme, we arrive at a picture that the entire multiverse is a fluctuation in the stationary, fractal "mega-multiverse," in which an infinite sequence of multiverse productions occurs. The framework discussed here does not suffer from problems/paradoxes plaguing other measures proposed earlier, such as the youngness paradox, the Boltzmann brain problem, and a peculiar "end" of time.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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