Homogeneous/Inhomogeneous particle production

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SUMMARY

The discussion centers on particle production in cosmology, specifically through homogeneous and inhomogeneous regions. Key concepts mentioned include the Unruh effect, Hawking radiation, and Parker particle production, all of which relate to varying entropy and energy density regions. The participant seeks research that reconciles these particle production methods into a unified framework, noting that the commonality among them lies in high perturbations. The discussion concludes with a self-solution pointing towards the history of perturbation theory as a potential avenue for further exploration.

PREREQUISITES
  • Understanding of cosmological concepts, including entropy and energy density.
  • Familiarity with the Unruh effect and Hawking radiation.
  • Knowledge of Parker particle production mechanisms.
  • Basic grasp of perturbation theory in quantum mechanics.
NEXT STEPS
  • Research the history of perturbation theory in cosmology.
  • Explore the implications of the Unruh effect on particle production.
  • Investigate the relationship between entropy and particle production in various cosmological models.
  • Study recent papers that attempt to unify different particle production theories.
USEFUL FOR

Cosmology students, researchers in theoretical physics, and anyone interested in the mechanisms of particle production in varying energy density environments.

Mordred
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I'm currently self studying cosmology, and I've gathered a smattering of articles describing various particle production sources. These sources include production through Homogeneous/inhomogeneous regions. Unruh effect (cosmological Horizon-De Sitter), Hawking radiation. Parker particle production. The list goes on.

One thing I've been noticing is that all these various production regions are all describing regions of varying entropy/energy density regions.

Has anyone come across research or papers that have reconciled the various productions into a more generic formalization?

edit: here are some of the papers
 

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Space news on Phys.org
Browse on the web. I do not know.
 
I always browse the web first :smile:, The main similarities lies in the perturbations. These different situations are areas of high perturbations. I'd ask in QM forum but my understanding of QM mathematics is far worse.

edit: I just answered my own question :smile:. Follow the history of perturbation theory.
 
Last edited:

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