Phase Diagram for Nflation
Iftikhar Ahmad, Yun-Song Piao, Cong-Feng Qiao

TL;DR
This paper explores the phase diagram of Nflation, revealing a large N phase transition where the inflation phase vanishes beyond a critical number of fields, and discusses related entropy bounds.
Contribution
It provides a detailed phase diagram for Nflation and analyzes the entropy bound near the critical point, highlighting the saturation of dS entropy.
Findings
Identification of a large N phase transition in Nflation
The slow roll inflation phase disappears beyond a critical number of fields
Near the critical point, the number of fields saturates the dS entropy
Abstract
Recently, it was showed that there is a large N phase transition in Nflation, in which when the number of fields is large enough, the slow roll inflation phase will disappear. In this brief report, we illustrate the phase diagram for Nflation, and discuss the entropy bound and some relevant results. It is found that near the critical point the number of fields saturates dS entropy.
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Taxonomy
TopicsCosmology and Gravitation Theories · Computational Physics and Python Applications · Solar and Space Plasma Dynamics
