Cosmology: Plucked from the vacuum (original) (raw)
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- Published: 25 January 2012
Nature volume 481, page 440 (2012)Cite this article
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A tale of multiverses, cosmic inflation and dark energy grips Caleb Scharf.
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- Caleb Scharf is director of astrobiology at Columbia University, New York, USA. His forthcoming book is Gravity's Engines.,
Caleb Scharf
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Correspondence toCaleb Scharf.
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Scharf, C. Cosmology: Plucked from the vacuum.Nature 481, 440 (2012). https://doi.org/10.1038/481440a
- Published: 25 January 2012
- Issue date: 26 January 2012
- DOI: https://doi.org/10.1038/481440a
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- Luis Gonzalez-Mestres 13 February 2012, 16:46
From a phenomenological point of view, the apparent acceleration of the expansion of the Universe may well be just the end of an oscillation due to gravity and other conventional effects.
The observed so-called Hubble's law (actually first formulated by Georges Lemaïtre) can be obtained without any use of matter, relativity, gravitation... just from a SU(2) spinorial description of space-time where cosmic time would correspond to the modulus of the cosmic spinor. Then, the value of the so-called Hubble constant would be equal to the inverse of the age of the Universe.
For a recent discussion of this idea, see my HEP 2011 paper :
http://pos.sissa.it/archive...
Pre-Big Bang, vacuum and noncyclic cosmologies, PoS(EPS-HEP2011)479