Is 4th Quantisation the Key to Understanding Multiverse Interactions?

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Discussion Overview

The discussion centers around the concept of 4th Quantisation and its potential role in understanding multiverse interactions, particularly in relation to the spawning of universes from false vacua. Participants explore the relevance of this approach compared to established theories such as inflation and quantum field theory (QFT) in curved space.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • One participant references an article discussing the application of 4th Quantisation to the Wheeler-DeWitt (WDW) equation and its implications for multiverse interactions.
  • Another participant highlights the established framework of inflationary cosmology, suggesting that it sufficiently explains the decay of false vacuums into observable universes without the need for Nth Quantisation.
  • A different participant questions the rationale behind using Nth Quantisation alongside inflation to explain the end states of universes arising from false vacua.
  • One participant expresses skepticism about the speculative nature of WDW, quantum cosmology, and multiverse theories, advocating for the robustness of inflationary models based on QFT in curved space.

Areas of Agreement / Disagreement

Participants exhibit disagreement regarding the necessity and validity of using 4th Quantisation in the context of multiverse interactions, with some advocating for established inflationary models while others explore the potential of Nth Quantisation. The discussion remains unresolved with multiple competing views present.

Contextual Notes

Participants note the speculative nature of some approaches discussed, particularly regarding Nth Quantisation and its application to multiverse theories. There is also an acknowledgment of the established framework of inflationary cosmology, which may not require the additional complexity of quantisation methods.

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This article on 4th Quantisation

http://arxiv.org/pdf/1304.0259v3.pdf

Takes the WDW equation to 3rd Quantisation to understand the spawning of universes from false vacua from a Multiverse

And Furthermore goes to 4th Quantisation to investigate multiverse interactions

Is this the best way to understand how false vacua lead to spawning of a universe or a multiverse, ie is this best practice physics, mainstream physics
 
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Are you familiar with inflation? Much of the early work done on inflationary phase transitions in which the false vacuum decays into our observable universe was done throughout the early 80's and is based on QFT in curved space. No need to even talk WDW.
 
I am aware of the inflationary cosmologies, but I was wondering why they are using Nth Quantisation to explain away Universe interactions

Why is this Quantisation approach used separately in addition to inflation to account for the end state of universes from false vacua
 
I don't think I can be of much help here -- WDW, quantum cosmology, and multiverses are all very speculative pursuits. Inflation based on QFT in curved space is a comprehensive, solid framework that helps us understand the early universe. I would say, then, that you don't need to use nth quantisation at all to understand the inflationary universe.
 

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