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Related Experiment Video

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Photorealistic Learned Landscapes for Augmented Reality

Photorealistic Learned Landscapes for Augmented Reality

Published on: June 27, 2025

Populating the whole landscape.

Adam R Brown¹, Alex Dahlen

¹Physics Department, Princeton University, Princeton, New Jersey 08544, USA. adambro@princeton.edu

Physical Review Letters

|November 24, 2011

Summary

This summary is machine-generated.

All de Sitter vacua are connected and can transition between each other, regardless of obstacles or instanton connections. Eternal inflation ensures the entire landscape of universes is populated.

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Area of Science:

Cosmology
Theoretical Physics

Background:

The landscape of possible universes in string theory is vast.
Understanding transitions between different vacuum states is crucial.

Purpose of the Study:

To investigate the connectivity and transitions between de Sitter vacua.
To determine if eternal inflation populates the entire landscape.

Main Methods:

Exploring theoretical pathways for vacuum transitions.
Analyzing the role of obstacles and instantons in these transitions.

Main Results:

Demonstrated that all de Sitter vacua are mutually accessible.
Showed transitions occur irrespective of intervening anti-de Sitter sinks or instanton connections.
Confirmed eternal inflation populates the entire landscape.

Conclusions:

The de Sitter landscape is fully connected.
Eternal inflation is a robust mechanism for populating all possible universes.