e-fold
English
Etymology
From translingual e + -fold.
Pronunciation
- (General American) IPA(key): /ˈiːfoʊld/
- (Received Pronunciation) IPA(key): /ˈiːfəʊld/
- (New Zealand, General Australian) IPA(key): /ˈiːfaʉld/
Adjective
- (sciences) Multiplied by e.
- Thus, over the scale time, there is an e-fold likelihood of increase as compared to decrease.
- (sciences) Conferring multiplication by e.
- So while some vertices have two children and others three, in the long run we can expect e-fold branching.
Adverb
Noun
- (sciences) A multiplication by e.
- 2013, Anna Iijas, Abraham Loeb, Paul Steinhardt, “Inflationary Paradigm in trouble after Planck 2013”, in Phys. Lett. B[1], volume 723, numbers 4–5, →Bibcode, , page 262:
- An obvious difference between plateau-like models like this and the simplest inflationary models, like , is that the simplest models require only one parameter and absolutely no tuning of parameters to obtain 60 or more e-folds of inflation, while the plateau-like models require three or more parameters and must be fine-tuned to obtain even a minimal amount of inflation.