Many Worlds in One

@inproceedings{Garriga2007ManyWI,
  title={Many Worlds in One},
  author={Jaume Garriga and Alexander Vilenkin},
  year={2007}
}
A generic prediction of inflation is that the thermalized region we inhabit is spatially infinite. Thus, it contains an infinite number of regions of the same size as our observable universe, which we shall denote as O regions. We argue that the number of possible histories which may take place inside of an O region, from the time of recombination up to the present time, is finite. Hence, there are an infinite number of O regions with identical histories up to the present, but which need not be… 

Figures from this paper

How many universes are in the multiverse

We argue that the total number of distinguishable locally Friedmann 'universes' generated by eternal inflation is proportional to the exponent of the entropy of inflationary perturbations and is

A note on infinities in eternal inflation

In some well-known scenarios of open-universe eternal inflation, developed by Vilenkin and co-workers, a large number of universes nucleate and thermalize within the eternally inflating

About the infinite repetition of histories in space

This paper analyzes two different proposals, one by Ellis and Brundrit, based on classical relativistic cosmology, the other by Garriga and Vilenkin, based on the DH interpretation of quantum

Philosophical Implications of Inflationary Cosmology

Recent developments in cosmology indicate that every history having a non-zero probability is realized in infinitely many distinct regions of spacetime. Thus, it appears that the universe contains

A Universe that Does Not Know the Time

In this paper, we propose that cosmological time is a quantum observable that does not commute with other quantum operators essential for the definition of cosmological states, notably the

The Cosmological Foundation of Our World, seen in a Revised History of our Universe

This paper has two parts, for a specific multiverse, and for the origin of our universe as it resulted from that multiverse. The first is based on the Planck domain and a Chandrasekhar equation that

The cosmological model of eternal inflation and the transition from chance to biological evolution in the history of life

In this cosmology, an entity as complex as a coupled translation-replication system should be considered a viable breakthrough stage for the onset of biological evolution, and in an infinite universe (multiverse), emergence of highly complex systems by chance is inevitable.

No-boundary measure in the regime of eternal inflation

The no-boundary wave function (NBWF) specifies a measure for prediction in cosmology that selects inflationary histories and remains well behaved for spatially large or infinite universes. This paper

A brief history of the multiverse

  • Andrei Linde
  • Physics
    Reports on progress in physics. Physical Society
  • 2017
The theory of the inflationary multiverse, combined with the theory of eternal inflation and anthropic considerations, may help to solve many difficult problems of modern physics, including the cosmological constant problem.

Is the Quilted Multiverse Consistent with a Thermodynamic Arrow of Time?

Theoretical achievements, as well as much controversy, surround multiverse theory. Various types of multiverses, with an increasing amount of complexity, were suggested and thoroughly discussed in
...

References

SHOWING 1-9 OF 9 REFERENCES

Dimensional Reduction in Quantum Gravity

The requirement that physical phenomena associated with gravitational collapse should be duly reconciled with the postulates of quantum mechanics implies that at a Planckian scale our world is not

Physics Today.

Using a combination of x-ray diffraction and electron diffraction, the scientists produced a three-dimensional map of the hybridized "orbital hole" bonding copper with neighboring oxygen atoms in cuprite (Cu2O).

On complexity

What is the complexity of inorganic crystal structures, how may it be measured, and is there a limit? We present some speculations for discussion.

The Ghost in the Atom

JHEP9907

  • 004
  • 1999

Astrophys

  • J. 531, 22
  • 2000

The Fabric of Reality (Penguin

  • 1998

Bulletin of the Canadian Nuclear Society

  • May 1989, 10-15; ”The end of the world” Routledge, London, New York
  • 1996