Causality implies inflationary back-reaction
Abstract There is a widespread belief among inflationary cosmologists that a local observer cannot sense super-horizon gravitons. The argument goes that a local observer would subsume super-horizon gravitons into a redefinition of his coordinate system. We show that adopting this view for pure gravi...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2017-07-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1007/JHEP07(2017)037 |