Ising Cosmology

Abstract Using arguments from holography we propose that the deviation of the cosmological spectral index $$n_S$$ n S of scalar fluctuations from unity may be controlled almost entirely by the critical exponent $$\eta $$ η of the $$d=3$$ d = 3 Ising model.

Bibliographic Details
Main Authors: Nikos Irges, Antonis Kalogirou, Fotis Koutroulis
Format: Article
Language:English
Published: SpringerOpen 2023-05-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-023-11622-8