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